CN103261233B - 新的纤维素醚以及它们的用途 - Google Patents
新的纤维素醚以及它们的用途 Download PDFInfo
- Publication number
- CN103261233B CN103261233B CN201180059307.3A CN201180059307A CN103261233B CN 103261233 B CN103261233 B CN 103261233B CN 201180059307 A CN201180059307 A CN 201180059307A CN 103261233 B CN103261233 B CN 103261233B
- Authority
- CN
- China
- Prior art keywords
- cellulose ether
- hydroxyalkyl
- anhydroglucose unit
- temperature
- ether
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920003086 cellulose ether Polymers 0.000 title claims abstract description 91
- 239000000203 mixture Substances 0.000 claims abstract description 87
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims abstract description 81
- 239000002775 capsule Substances 0.000 claims abstract description 49
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 43
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 43
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 40
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 30
- 238000009472 formulation Methods 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 125000001033 ether group Chemical group 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims description 52
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 39
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 38
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 38
- -1 Methyl Chemical group 0.000 claims description 37
- 238000001879 gelation Methods 0.000 claims description 36
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 35
- 229920002678 cellulose Polymers 0.000 claims description 32
- 239000001913 cellulose Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 29
- 229920000609 methyl cellulose Polymers 0.000 claims description 28
- 239000001923 methylcellulose Substances 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007598 dipping method Methods 0.000 claims description 11
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 101150107144 hemC gene Proteins 0.000 claims description 9
- 239000008199 coating composition Substances 0.000 claims description 2
- 239000008186 active pharmaceutical agent Substances 0.000 claims 2
- 125000000217 alkyl group Chemical group 0.000 abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 51
- 239000003153 chemical reaction reagent Substances 0.000 description 39
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 32
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 27
- 235000010981 methylcellulose Nutrition 0.000 description 27
- 230000001035 methylating effect Effects 0.000 description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 235000011121 sodium hydroxide Nutrition 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000000376 reactant Substances 0.000 description 18
- 239000001294 propane Substances 0.000 description 16
- 239000002002 slurry Substances 0.000 description 15
- 238000001556 precipitation Methods 0.000 description 14
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 13
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 12
- 239000000499 gel Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 150000008065 acid anhydrides Chemical group 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000004817 gas chromatography Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 5
- 230000002152 alkylating effect Effects 0.000 description 5
- 239000003349 gelling agent Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000375 suspending agent Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000003534 oscillatory effect Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 101000748141 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 32 Proteins 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 102100040050 Ubiquitin carboxyl-terminal hydrolase 32 Human genes 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007887 hard shell capsule Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007937 lozenge Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001915 proofreading effect Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000829 suppository Substances 0.000 description 2
- 239000003826 tablet Substances 0.000 description 2
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
- 101710134784 Agnoprotein Proteins 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920002148 Gellan gum Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920003091 Methocel™ Polymers 0.000 description 1
- 229920003108 Methocel™ A4M Polymers 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 241000235388 Mucorales Species 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 101100294399 Schizosaccharomyces pombe (strain 972 / ATCC 24843) not1 gene Proteins 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000004075 acetic anhydrides Chemical class 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000007963 capsule composition Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000015872 dietary supplement Nutrition 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000576 food coloring agent Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000216 gellan gum Substances 0.000 description 1
- 235000010492 gellan gum Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- HVTICUPFWKNHNG-BJUDXGSMSA-N iodoethane Chemical group [11CH3]CI HVTICUPFWKNHNG-BJUDXGSMSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/4816—Wall or shell material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/07—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/4841—Filling excipients; Inactive ingredients
- A61K9/4866—Organic macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/07—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use
- A61J3/071—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of capsules or similar small containers for oral use into the form of telescopically engaged two-piece capsules
- A61J3/077—Manufacturing capsule shells
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
碳原子的类型 | ECN增量 |
烃 | 100 |
伯醇 | 55 |
仲醇 | 45 |
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39207910P | 2010-10-12 | 2010-10-12 | |
US61/392,079 | 2010-10-12 | ||
PCT/US2011/055050 WO2012051035A1 (en) | 2010-10-12 | 2011-10-06 | Novel cellulose ethers and their use |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103261233A CN103261233A (zh) | 2013-08-21 |
CN103261233B true CN103261233B (zh) | 2016-05-25 |
Family
ID=44801229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180059307.3A Active CN103261233B (zh) | 2010-10-12 | 2011-10-06 | 新的纤维素醚以及它们的用途 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9394376B2 (zh) |
EP (1) | EP2627676B1 (zh) |
JP (1) | JP5902697B2 (zh) |
KR (1) | KR101860707B1 (zh) |
CN (1) | CN103261233B (zh) |
BR (1) | BR112013005642B1 (zh) |
WO (1) | WO2012051035A1 (zh) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112013028832B1 (pt) * | 2011-06-14 | 2019-07-02 | Dow Global Technologies Llc | Composição alimentícia e uso de éter de celulose |
JP5731723B2 (ja) | 2012-04-11 | 2015-06-10 | ダウ グローバル テクノロジーズ エルエルシー | セルロースエーテルを含む溶融押出し組成物 |
WO2013154980A1 (en) * | 2012-04-11 | 2013-10-17 | Dow Global Technologies Llc | Composition comprising an organic diluent and a cellulose ether |
BR112014020719B1 (pt) * | 2012-04-11 | 2020-03-03 | Dow Global Technologies Llc | Forma de dosagem de liberação constante, método para preparar uma forma de dosagem de liberação constante e uso de um éter de celulose |
CN102816247A (zh) * | 2012-08-20 | 2012-12-12 | 新疆光大山河化工科技有限公司 | 一种特低粘度羟丙基甲基纤维素的制备方法 |
WO2014168915A1 (en) * | 2013-04-12 | 2014-10-16 | Dow Global Technologies Llc | Process for preparing an aqueous solution of a methylcellulose |
US20160120990A1 (en) * | 2013-07-17 | 2016-05-05 | Dow Global Technologies Llc | Composition for application to a mucosa comprising a hydroxyalkyl methylcellulose |
CN105517537B (zh) * | 2013-09-25 | 2018-04-17 | 陶氏环球技术有限责任公司 | 包含纤维素醚的施加到粘膜的组合物 |
KR20160110402A (ko) * | 2014-01-16 | 2016-09-21 | 다우 글로벌 테크놀로지스 엘엘씨 | 하이드록시프로필 메틸셀룰로오스를 함유하는 열 성형가능한 세라믹 조성물 |
JP6203702B2 (ja) | 2014-11-18 | 2017-09-27 | 信越化学工業株式会社 | ヒプロメロース酢酸エステルコハク酸エステルを用いたスプレードライ用溶液及び固体分散体の製造方法 |
EP3264912A1 (en) | 2015-03-05 | 2018-01-10 | Dow Global Technologies LLC | Material for packaging comprising antimicrobial composition |
CN107404870A (zh) | 2015-03-05 | 2017-11-28 | 陶氏环球技术有限责任公司 | 包括抗微生物组合物的包装材料 |
KR20180008524A (ko) * | 2015-05-15 | 2018-01-24 | 다우 글로벌 테크놀로지스 엘엘씨 | 초고분자량 및 저점도의 에스테르화된 셀룰로오스 에테르의 제조 방법 |
BR112018010354A2 (pt) * | 2015-12-08 | 2018-12-04 | Dow Global Technologies Llc | composições compreendendo éteres de celulose e éteres de celulose esterificados solúveis em água |
JP6412853B2 (ja) * | 2015-12-16 | 2018-10-24 | 信越化学工業株式会社 | フィルム成型用組成物 |
EP3216807B2 (en) * | 2016-03-09 | 2022-05-18 | Shin-Etsu Chemical Co., Ltd. | Coating composition containing methyl cellulose, method for producing the same, and solid preparation |
JP6623090B2 (ja) * | 2016-03-15 | 2019-12-18 | 信越化学工業株式会社 | 高い熱ゲル強度を有するヒドロキシプロピルメチルセルロース及びその製造方法並びにこれを含む食品 |
US11136415B2 (en) * | 2017-03-23 | 2021-10-05 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxypropyl methyl cellulose |
US10723807B2 (en) * | 2017-03-31 | 2020-07-28 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxyalkyl alkyl cellulose |
CN107184562A (zh) * | 2017-05-10 | 2017-09-22 | 中象新材料(大连)有限公司 | 一种玉米麸皮淀粉空心胶囊及其制备方法 |
WO2019022820A1 (en) | 2017-07-26 | 2019-01-31 | Dow Global Technologies Llc | PROCESS FOR PRODUCTION OF HYDROXYALKYL METHYLCELLULOSE HYDROGEL |
MX2019013469A (es) * | 2017-08-16 | 2020-02-07 | Dow Global Technologies Llc | Metodo para la preparacion controlada de eter de celulosa de bajo peso molecular. |
WO2019108266A1 (en) | 2017-11-29 | 2019-06-06 | Dow Global Technologies Llc | Hydrogels based on hydroxyalkyl methylcellulose |
EP3808782A4 (en) * | 2018-06-12 | 2022-03-23 | Kao Corporation | PROCESS FOR THE PRODUCTION OF A MODIFIED CELLULOSE FIBER AND MODIFIED CELLULOSE FIBER |
JP7526727B2 (ja) * | 2018-12-18 | 2024-08-01 | ニュートリション アンド バイオサイエンシズ ユーエスエー 1,リミティド ライアビリティ カンパニー | ヒドロキシアルキルメチルセルロースを含む徐放性組成物 |
JP7128782B2 (ja) * | 2019-08-09 | 2022-08-31 | 信越化学工業株式会社 | エアゾール食品用組成物、ヒドロキシプロピルメチルセルロース及びヒドロキシプロピルメチルセルロースの製造方法 |
JP7311448B2 (ja) * | 2020-03-13 | 2023-07-19 | 信越化学工業株式会社 | フィルム成形用組成物及びフィルム |
JP7426316B2 (ja) * | 2020-09-16 | 2024-02-01 | 日清食品ホールディングス株式会社 | メチルセルローススラリー及びその製造方法並びに該メチルセルローススラリーを含む肉様蛋白加工食品及びその製造方法 |
EP4352109A1 (en) | 2021-06-08 | 2024-04-17 | Nutrition & Biosciences USA 1, LLC | A process for producing a methylcellulose or hydroxyalkyl methylcellulose |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001211A (en) * | 1974-12-02 | 1977-01-04 | The Dow Chemical Company | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers |
US6235893B1 (en) * | 1999-04-01 | 2001-05-22 | The Dow Chemical Company | Process for making cellulose ether having enhanced gel strength |
CN101595133A (zh) * | 2006-10-27 | 2009-12-02 | 辉瑞产品公司 | 羟丙基甲基纤维素硬胶囊及制备方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2526683A (en) | 1946-04-13 | 1950-10-24 | Lilly Co Eli | Methyl cellulose capsules and process of manufacture |
GB1144225A (en) | 1965-09-07 | 1969-03-05 | Dow Chemical Co | Preparation of medicinal capsule shells from hydroxyalkyl-alkyl cellulose ethers |
US3839319A (en) * | 1973-01-26 | 1974-10-01 | Dow Chemical Co | Hydroxypropyl methylcellulose ethers and method of preparation |
JPS5038782A (zh) * | 1973-08-10 | 1975-04-10 | ||
US3873518A (en) * | 1973-12-14 | 1975-03-25 | Dow Chemical Co | Water soluble ternary cellulose ethers |
DE2917104A1 (de) | 1979-04-27 | 1980-11-06 | Hoechst Ag | Verfahren zur viskositaetserniedrigung von celluloseethern durch ozon und seine verwendung |
DE3316124A1 (de) | 1983-05-03 | 1984-11-08 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von wasserloeslichen cellulosemischethern |
US4477657A (en) | 1983-07-08 | 1984-10-16 | The Dow Chemical Company | Process for preparing hydroxyalkylcellulose ethers |
JPS6225101A (ja) | 1985-07-24 | 1987-02-03 | Shin Etsu Chem Co Ltd | 低重合度セルロ−スエ−テルの製造方法 |
DE4015160A1 (de) * | 1990-05-11 | 1991-11-14 | Wolff Walsrode Ag | Methylhydroxypropylcelluloseether und verfahren zu ihrer herstellung |
JP2959423B2 (ja) | 1994-12-01 | 1999-10-06 | シオノギクオリカプス株式会社 | カプセル用皮膜組成物 |
US6261218B1 (en) | 1998-12-01 | 2001-07-17 | The Dow Chemical Company | Process and apparatus for making low molecular weight cellulose ethers |
US6228416B1 (en) | 1999-04-01 | 2001-05-08 | The Dow Chemical Company | Cellulose ether having enhanced gel strength and compositions containing it |
EP1171471B2 (en) | 1999-04-01 | 2009-07-08 | Dow Global Technologies Inc. | Enhanced gel strength methylcellulose |
KR100379674B1 (ko) | 2000-03-06 | 2003-04-10 | 주식회사 서흥캅셀 | 펙틴과 글리세린의 배합용액을 이용한 셀룰로오스 캅셀 및그의 제조방법 |
US7005515B2 (en) | 2001-05-21 | 2006-02-28 | Dow Global Technologies Inc. | Process for preparing alkyl hydroxyalkyl cellulose ethers |
DE10135464A1 (de) * | 2001-07-20 | 2003-02-06 | Wolff Walsrode Ag | Verfahren zur Herstellung von Alkylhydroxyalkylcellulose |
DE10141680B4 (de) | 2001-08-25 | 2004-02-26 | Clariant Gmbh | Verfahren zur Herstellung niederviskoser Celluloseether durch sauer-oxidativen Abbau von gemahlenen und getrockneten Celluloseethern |
DE102004019296B4 (de) | 2004-04-21 | 2006-01-05 | Wolff Cellulosics Gmbh & Co. Kg | Verfahren zur Herstellung von Methylhydroxyalkylcellulose |
JP2007031407A (ja) * | 2005-07-29 | 2007-02-08 | Shin Etsu Chem Co Ltd | 低置換度セルロースエーテル含有コーティング用組成物及び不快な味が隠蔽されたフィルムコーティング製剤 |
JP2009522394A (ja) | 2005-12-30 | 2009-06-11 | サムスン ファイン ケミカルズ カンパニー リミテッド | 高収率でヒドロキシアルキルアルキルセルロースエーテルを製造する方法 |
US20080262216A1 (en) | 2007-04-20 | 2008-10-23 | Shin-Etsu Chemical Co., Ltd. | Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved |
US9174879B2 (en) | 2007-11-30 | 2015-11-03 | Corning Incorporated | Ceramic precursor batch composition and method of increasing ceramic precursor batch extrusion rate |
US20090218711A1 (en) | 2008-02-28 | 2009-09-03 | David Dasher | Method of increasing ceramic paste stiffening/gelation temperature by using a salt and precursor batch |
CN105517537B (zh) | 2013-09-25 | 2018-04-17 | 陶氏环球技术有限责任公司 | 包含纤维素醚的施加到粘膜的组合物 |
-
2011
- 2011-10-06 US US13/825,697 patent/US9394376B2/en active Active
- 2011-10-06 CN CN201180059307.3A patent/CN103261233B/zh active Active
- 2011-10-06 JP JP2013533885A patent/JP5902697B2/ja active Active
- 2011-10-06 KR KR1020137009217A patent/KR101860707B1/ko active Active
- 2011-10-06 EP EP11770311.6A patent/EP2627676B1/en active Active
- 2011-10-06 WO PCT/US2011/055050 patent/WO2012051035A1/en active Application Filing
- 2011-10-06 BR BR112013005642-8A patent/BR112013005642B1/pt active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001211A (en) * | 1974-12-02 | 1977-01-04 | The Dow Chemical Company | Pharmaceutical capsules from improved thermogelling methyl cellulose ethers |
US6235893B1 (en) * | 1999-04-01 | 2001-05-22 | The Dow Chemical Company | Process for making cellulose ether having enhanced gel strength |
CN101595133A (zh) * | 2006-10-27 | 2009-12-02 | 辉瑞产品公司 | 羟丙基甲基纤维素硬胶囊及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2627676B1 (en) | 2017-03-08 |
CN103261233A (zh) | 2013-08-21 |
BR112013005642B1 (pt) | 2021-12-07 |
JP2013539815A (ja) | 2013-10-28 |
BR112013005642A2 (pt) | 2020-10-06 |
US20130236512A1 (en) | 2013-09-12 |
KR20140000679A (ko) | 2014-01-03 |
US9394376B2 (en) | 2016-07-19 |
WO2012051035A1 (en) | 2012-04-19 |
KR101860707B1 (ko) | 2018-07-02 |
EP2627676A1 (en) | 2013-08-21 |
JP5902697B2 (ja) | 2016-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103261233B (zh) | 新的纤维素醚以及它们的用途 | |
EP2997098B1 (en) | Water-soluble polysaccharides of improved palatability | |
EP3270970B1 (en) | Gelling esterified cellulose ethers | |
CN101289515B (zh) | 溶解性和热致可逆凝胶化性能得到改善的羟烷基甲基纤维素 | |
EP3954715A2 (en) | Hydroxypropyl methyl cellulose hard capsules and process of manufacture | |
CN101801211A (zh) | 用于制备稳定的粉末状组合物的方法 | |
EP2836235B1 (en) | Novel sustained release dosage forms | |
CN104364268B (zh) | 包含纤维素醚的熔融挤出的组合物 | |
JP2002531593A (ja) | 低粘度の水溶性セルロースエーテルを製造する方法 | |
EP3205671A1 (en) | Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same | |
CN101848940B (zh) | 三元混合醚 | |
CN107108758A (zh) | 用于生产具有降低含量的水不溶性颗粒的水溶性纤维素衍生物的方法 | |
JP2020164876A (ja) | アセトン不溶性含有量の低いエステル化セルロースエーテル | |
JP6174806B2 (ja) | セルロース誘導体及び液体希釈剤の混合物を調製するためのプロセス | |
WO2021045151A1 (ja) | フィルム成形用組成物及びフィルム | |
JP2002256001A (ja) | セルロースエーテル及びその製造方法 | |
EP3216808A1 (en) | Hypromellose acetate succinate, method for producing the same and composition containing the same | |
US20220088037A1 (en) | A sustained release composition comprising a hydroxyalkyl methylcellulose | |
KR101156365B1 (ko) | 용해성이 개선된 셀룰로오스 유도체의 제조 방법 | |
CN117529522A (zh) | 具有高粉末溶解温度的甲基纤维素 | |
MXPA01005297A (en) | Method for the production of low-viscous water-soluble cellulose ethers | |
JPS58171402A (ja) | ヒドロキシプロピル−ヒドロキシブチルセルロ−スおよびその製造方法ならびに該物質を含有するフイルム形成剤 | |
JP2015227413A (ja) | グリセロール化セルロースの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: New York State, USA Patentee after: Nutrition and biotechnology USA first LLC Address before: Delaware, USA Patentee before: DDP special electronic materials USA Co.,Ltd. Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials USA Co.,Ltd. Address before: Delaware, USA Patentee before: DDP special electronic materials American Co. Effective date of registration: 20210518 Address after: Delaware, USA Patentee after: DDP special electronic materials American Co. Address before: michigan Patentee before: THE DOW CHEMICAL Co. Effective date of registration: 20210518 Address after: michigan Patentee after: THE DOW CHEMICAL Co. Address before: michigan Patentee before: DOW GLOBAL TECHNOLOGIES LLC |