KR20200036011A - 환형 알킬렌우레아를 그의 상응하는 알킬렌아민으로 전환시키기 위한 다단계 방법 - Google Patents
환형 알킬렌우레아를 그의 상응하는 알킬렌아민으로 전환시키기 위한 다단계 방법 Download PDFInfo
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- KR20200036011A KR20200036011A KR1020207006607A KR20207006607A KR20200036011A KR 20200036011 A KR20200036011 A KR 20200036011A KR 1020207006607 A KR1020207006607 A KR 1020207006607A KR 20207006607 A KR20207006607 A KR 20207006607A KR 20200036011 A KR20200036011 A KR 20200036011A
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- amine
- removal step
- cyclic
- alkyleneamine
- alkyleneurea
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- 238000000034 method Methods 0.000 title claims abstract description 117
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 79
- 150000001412 amines Chemical class 0.000 claims abstract description 139
- 238000006243 chemical reaction Methods 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910001868 water Inorganic materials 0.000 claims abstract description 85
- 150000003141 primary amines Chemical class 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 238000009835 boiling Methods 0.000 claims abstract description 25
- 150000003335 secondary amines Chemical class 0.000 claims abstract description 19
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- -1 amine compound Chemical class 0.000 claims description 70
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 47
- 238000011068 loading method Methods 0.000 claims description 36
- 239000004202 carbamide Substances 0.000 claims description 35
- 125000002947 alkylene group Chemical group 0.000 claims description 16
- 238000004821 distillation Methods 0.000 claims description 15
- ZMGMDXCADSRNCX-UHFFFAOYSA-N 5,6-dihydroxy-1,3-diazepan-2-one Chemical compound OC1CNC(=O)NCC1O ZMGMDXCADSRNCX-UHFFFAOYSA-N 0.000 claims description 14
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000000547 substituted alkyl group Chemical group 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 272
- 229910002092 carbon dioxide Inorganic materials 0.000 description 136
- 150000001875 compounds Chemical class 0.000 description 41
- 239000000047 product Substances 0.000 description 39
- 235000013877 carbamide Nutrition 0.000 description 35
- 239000000203 mixture Substances 0.000 description 34
- 125000003277 amino group Chemical group 0.000 description 27
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 20
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 20
- 239000007788 liquid Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 16
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000011541 reaction mixture Substances 0.000 description 15
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 15
- 150000007529 inorganic bases Chemical class 0.000 description 14
- 230000035484 reaction time Effects 0.000 description 13
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 12
- YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 description 12
- 239000007858 starting material Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 9
- XMKLTEGSALONPH-UHFFFAOYSA-N 1,2,4,5-tetrazinane-3,6-dione Chemical compound O=C1NNC(=O)NN1 XMKLTEGSALONPH-UHFFFAOYSA-N 0.000 description 8
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 8
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Chemical group 0.000 description 6
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical group NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 description 6
- 125000005842 heteroatom Chemical group 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000012429 reaction media Substances 0.000 description 6
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229960001124 trientine Drugs 0.000 description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 4
- 229920002873 Polyethylenimine Polymers 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- BETVNUCOOCCCIO-UHFFFAOYSA-N n-(2-dimethoxyphosphinothioylsulfanylethyl)acetamide Chemical compound COP(=S)(OC)SCCNC(C)=O BETVNUCOOCCCIO-UHFFFAOYSA-N 0.000 description 4
- 125000004193 piperazinyl group Chemical group 0.000 description 4
- 150000003672 ureas Chemical class 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- INCOLDIGXCNYGM-UHFFFAOYSA-N NN1C(N(C(C1)CC)N)=O Chemical compound NN1C(N(C(C1)CC)N)=O INCOLDIGXCNYGM-UHFFFAOYSA-N 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 125000000962 organic group Chemical group 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000000066 reactive distillation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XOTLKHMCKYDSBU-UHFFFAOYSA-N 2-ethylpiperazine-1,4-diamine Chemical compound CCC1CN(N)CCN1N XOTLKHMCKYDSBU-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000003341 Bronsted base Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- 125000004103 aminoalkyl group Chemical group 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- KFIGICHILYTCJF-UHFFFAOYSA-N n'-methylethane-1,2-diamine Chemical compound CNCCN KFIGICHILYTCJF-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Chemical group CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- HVOBSBRYQIYZNY-UHFFFAOYSA-N 2-[2-(2-aminoethylamino)ethylamino]ethanol Chemical compound NCCNCCNCCO HVOBSBRYQIYZNY-UHFFFAOYSA-N 0.000 description 1
- YTSNVWMTVVGZTI-UHFFFAOYSA-N 2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethanol Chemical compound NCCNCCNCCNCCO YTSNVWMTVVGZTI-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010952 in-situ formation Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- WBIWIXJUBVWKLS-UHFFFAOYSA-N n'-(2-piperazin-1-ylethyl)ethane-1,2-diamine Chemical compound NCCNCCN1CCNCC1 WBIWIXJUBVWKLS-UHFFFAOYSA-N 0.000 description 1
- LPOUQGUYVMSQOH-UHFFFAOYSA-N n'-[2-(2-piperazin-1-ylethylamino)ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCN1CCNCC1 LPOUQGUYVMSQOH-UHFFFAOYSA-N 0.000 description 1
- DSHUAPQCIFCKFX-UHFFFAOYSA-N n'-[2-[2-(2-piperazin-1-ylethylamino)ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCN1CCNCC1 DSHUAPQCIFCKFX-UHFFFAOYSA-N 0.000 description 1
- CXNQJNPKMZRHBC-UHFFFAOYSA-N n'-[2-[4-(2-aminoethyl)piperazin-1-yl]ethyl]ethane-1,2-diamine Chemical compound NCCNCCN1CCN(CCN)CC1 CXNQJNPKMZRHBC-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical group CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- SBYHFKPVCBCYGV-UHFFFAOYSA-N quinuclidine Chemical compound C1CC2CCN1CC2 SBYHFKPVCBCYGV-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical compound NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
- ZJHHPAUQMCHPRB-UHFFFAOYSA-N urea urea Chemical compound NC(N)=O.NC(N)=O ZJHHPAUQMCHPRB-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/86—Separation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C211/14—Amines containing amino groups bound to at least two aminoalkyl groups, e.g. diethylenetriamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/202—Alcohols or their derivatives
- B01D2252/2021—Methanol
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/204—Amines
- B01D2252/20436—Cyclic amines
- B01D2252/20447—Cyclic amines containing a piperazine-ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
CO2 제거 단계와 아민 제거 단계의 조합은 알킬렌우레아를 높은 반응 속도로 효율적인 방식으로 상응하는 아민으로 전환시키는 것을 가능하게 하는 것으로 발견되었다.
Description
도 1은 일부 환형 알킬렌우레아의 분자 구조를 예시한다.
도 2는 본 발명에 따른 방법의 일 구현예를 예시한다.
성분 | 출발시 주입 | CO2 제거 후 |
L-TETA (mol) | 0.64 | 0.45 |
DUTETA (mol) | 0.63 | 0.034 |
U1TETA (mol) | 0 | 0.25 |
U2TETA (mol) | 0.28 | |
총 U (mol) | 1.3 | 0.63 |
총 아민 (mol) | 1.3 | 1.2* |
액체로부터 제거된 CO2 (mol) | N/A | 0.672 |
평균 CO2 제거 속도 (mmol/min) | 2.28 | |
CO2 로딩 | 0.5 | 0.29 |
성분 | 출발시 주입 | 아민 제거 단계로부터의 기체 분획 | 아민 제거 단계로부터의 액체 분획 | CO2 제거 단계로부터의 생성물 | 공정으로부터의 총 결과 |
L-TETA (mol) | 0.64 | 0.56 | 0.04 | 0.11 | 0.67 |
DUTETA (mol) | 0.63 | 0.59 | 0.05 | 0.05 | |
U1TETA (mol) | 0.08 | 0.16 | 0.16 | ||
U2TETA (mol) | 0.11 | 0.11 | |||
U total (mol) | 1.27 | 1.27 | 0.40 | 0.40 | |
총 아민 (mol) | 1.27 | 0.71 | 0.48 | 1.04 | |
액체로부터 제거된 U(mol) |
0.87 | ||||
평균 CO2 제거 속도(mmol/min) | 3.35 | ||||
CO2 로딩 | 0.5 | 0.89 | 0.45 | 0.20 |
실시예 1
비교 |
실시예 2
본 발명 |
|
CO2 제거만 | 아민 제거 후 CO2 제거 | |
요구되는 반응 시간 (분) | 330 | 293 |
U2TETA 부산물 (mol) | 0.28 | 0.11 |
회수된 총 L-TETA (mol) | 0.45 | 0.67 |
평균 제거 속도 (mmol/min) | 2.28 | 3.35 |
출발시 CO2 로딩 | 0.5 | 0.5 |
반응 증류 후 CO2 로딩 | 0.89 | |
최종 CO2 로딩 | 0.29 | 0.2 |
출발시 주입 | 반응 스트리핑 후 | |
성분 | mol | mol |
L-TETA (mol) | 0.27 | 0.32 |
DUTETA (mol) | 0.78 | 0.074 |
U1TETA (mol) | 0.307 | |
U2TETA (mol) | 0.276 | |
U total (mol) | 1.56 | 0.76 |
총 아민 (mol) | 1.05 | 0.96* |
액체로부터 제거된 U (mol) | N/A | 0.87 |
반응 시간 (min) | 290 | |
평균 U 제거 속도 (mmol/min) | 2.98 | |
CO2 로딩 | 0.75 | 0.40 |
출발시 주입 | 기체 분획 아민 제거 단계 | 첫번째 CO2 제거 단계, 아민 제거 단계, 및 두번째 CO2 제거 단계 2 후 액체 생성물 | 공정으로부터의 총 결과 | |
L-TETA (mol) | 0.27 | 0.27 | 0.20 | 0.47 |
DUTETA (mol) | 0.78 | 0.11 | 0.11 | |
U1TETA (mol) | 0.33 | 0.33 | ||
U2TETA (mol) | 0.19 | 0.19 | ||
총 U (mol) | 1.56 | 0.77 | 0.77 | |
총 아민 (mol) | 1.1 | 0.83 | 1.1 | |
액체로부터 제거된 U (mol) | 0.79 | |||
반응 시간(min) | 193 min | |||
GC 데이터에 근거한 평균 U 제거 속도(mmol/min) |
4.11 | |||
CO2 로딩 | 0.75 |
0.45 | 0.31 |
실시예 3
비교 |
실시예 4
본 발명 |
|
반응 스트리핑 단독 | 반응 스트리핑 + 반응 증류 + 반응 스트리핑 | |
요구되는 반응 시간 (분) | 290 | 193 |
U2TETA 부산물 (mol) | 0.276 | 0.20 |
회수된 총 L-TETA (mol) | 0.32 | 0.47 |
평균 제거 속도 (mmol/분) | 2.98 | 4.11 |
출발시 CO2 로딩 | 0.75 | 0.75 |
최종 CO2 로딩(본원의 정의에 따른) | 0.40 | 0.31 |
출발 혼합물 | 아민 제거 후 | CO2 제거 후 | |
질량% | 질량% | ||
EDA (wt%) | 20.8% | 2.3% | 12.3% |
AEEA (wt%) | 2.9% | 3.7% | 6.6% |
EU (wt%) | 17.2% | 23.8% | 2.0% |
L-TETA (wt%) | 0.5% | 0.6% | 5.9% |
E2U (wt%) | 3.0% | 3.7% | 0.0% |
UAEEA (wt%) | 16.9% | 23.3% | 7.4% |
U2-TETA (wt%) | 2.0% | 2.7% | 10.4% |
U1-TETA (wt%) | 5.1% | 6.9% | 12.7% |
DUTETA (wt%) | 9.5% | 13.0% | 5.5% |
총 U (mol) | 2.9 | 2.9 | 1.08 |
총 아민 (mol) | 4.82 | 2.97 | 2.16 |
이용가능한 아민 부분 (mol) | 5.45 | 3.61 | 2.94 |
U 로딩 | 0.53 | 0.81 | 0.37 |
요구되는 반응 시간 (분) | 190 | ||
U2TETA 부산물 (mol) | 0.23 | ||
회수된 총 L-TETA (mol) | 0.16 | ||
평균 제거 속도 (mmol/min) | 9.5 | ||
출발시 CO2 로딩 | 0.53 | ||
최종 CO2 로딩 (본원 정의에 따른) | 0.37 |
Claims (15)
- 환형 알킬렌우레아를 포함하는 공급 원료를 그의 상응하는 알킬렌아민으로 전환시키는 방법으로서,
- CO2를 제거하면서 액상 내에서 환형 알킬렌우레아를 물과 반응시켜, 환형 알킬렌우레아를 그의 상응하는 알킬렌아민으로 전환시키는 CO2 제거 단계,
- 공정 중 형성되는 알킬렌아민보다 높은 비점을 가지는 1차 아민 또는 2차 아민의 군으로부터 선택되는 아민 화합물과의 반응에 의하여, 환형 알킬렌우레아를 반응 분리 공정에서 그의 상응하는 알킬렌아민으로 전환시키는 아민 제거 단계
를 포함하는 방법. - 제1항에 있어서,
상기 CO2 제거 단계에서 상기 공급 원료 내에 존재하는 알킬렌우레아 모이어티의 5% 내지 95%가 아민 모이어티로 전환되고, 상기 아민 제거 단계에서 상기 공급 원료 내에 존재하는 알킬렌우레아 모이어티의 5% 내지 95%가 아민 모이어티로 전환되는 것을 특징으로 하는 방법. - 제1항 또는 제2항에 있어서,
상기 CO2 제거 단계로의 공급물은 적어도 0.2, 특히 적어도 0.4, 보다 특히 적어도 0.6, 및 최대 1의 CO2-로딩을 가지는 것을 특징으로 하는 방법. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 아민 제거 단계로의 공급물은 최대 0.8, 보다 특히 최대 0.6, 및 적어도 0.05, 특히 적어도 0.1, 보다 특히 적어도 0.2의 CO2-로딩을 가지는 것을 특징으로 하는 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
- 적어도 0.2의 CO2-로딩을 가지는 공급 원료를, CO2를 제거하면서 액상 내에서 환형 알킬렌우레아를 물과 반응시켜 환형 알킬렌우레아를 그의 상응하는 알킬렌아민으로 전환시키는 CO2 제거 단계로 제공하는 단계, 및
- 상기 CO2 제거 단계의 생성물의 적어도 일부를, 공정 중 형성되는 알킬렌아민보다 높은 비점을 가지는 1차 아민 또는 2차 아민의 군으로부터 선택되는 아민과의 반응에 의하여 환형 알킬렌우레아를 반응 분리 공정에서 그의 상응하는 알킬렌아민으로 전환시키는 아민 제거 단계로 제공하는 단계
를 포함하는 방법. - 제1항 내지 제4항 중 어느 한 항에 있어서,
- 0.05 내지 0.8의 CO2-로딩을 가지는 공급 원료를, 공정 중 형성되는 알킬렌아민보다 높은 비점을 가지는 1차 아민 또는 2차 아민의 군으로부터 선택되는 아민과의 반응에 의하여 환형 알킬렌우레아를 반응 분리 공정에서 그의 상응하는 알킬렌아민으로 전환시키는 아민 제거 단계로 제공하는 단계, 및
- 상기 아민 제거 단계의 생성물의 적어도 일부를, 액상 내에서 환형 알킬렌우레아를 물과 반응시켜 환형 알킬렌우레아를 그의 상응하는 알킬렌아민으로 전환시키는 CO2 제거 단계로 제공하는 단계
를 포함하는 방법. - 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 CO2 제거 단계는 적어도 150℃, 특히 적어도 180℃, 보다 특히 적어도 200℃, 더 보다 특히 적어도 230℃, 또는 심지어 적어도 250℃, 및 바람직하게는 최대 400℃, 특히 최대 350℃, 보다 특히 최대 320℃의 온도에서 수행되는 것을 특징으로 하는 방법. - 제1항 내지 제7항 중 어느 한 항에 있어서,
상기 CO2 제거 단계는 적어도 230℃의 온도에서, 우레아 모이어티 몰 당 0.1-20 몰의 물의 양으로, 액상 내에서 환형 알킬렌우레아를 물과 반응시킴으로써 수행되는 것을 특징으로 하는 방법. - 제1항 내지 제8항 중 어느 한 항에 있어서,
상기 CO2 전환 단계는 1차 아민, 환형 2차 아민, 및 2환 3차 아민의 군으로부터 선택되는 아민 화합물의 존재 하에 수행되는 것을 특징으로 하는 방법. - 제1항 내지 제9항 중 어느 한 항에 있어서,
상기 아민 제거 단계는 반응 증류 단계인 것을 특징으로 하는 방법. - 제1항 내지 제10항 중 어느 한 항에 있어서,
전환되어 상응하는 알킬렌아민을 제공하는 환형 알킬렌우레아는:
(상기 식에서, R1은 수소, 식 X-R3-(NH-R3-)p-의 알킬렌아민기, 또는 식 X-R3-(O-R3-)n-의 알콕시기, 또는 이러한 알킬렌아민 및 알콕시 단위를 p 및 n 조합한 기로부터 선택되고, 여기서 하나 이상의 단위 ~N-R3-N~가 고리들
및/또는
중 하나로서 존재할 수 있고,
R2는 수소이고, X는 히드록실, 아민, 선형 또는 분지형 C1-C20 히드록시알킬 또는 C1-C20 아미노알킬기, n 및 p가 독립적으로 적어도 1, 바람직하게는 2-20이고, 선택적으로 하나 이상의 피페라진을 함유하거나, 알킬렌우레아기이고, 또는 p 또는 n이 0일 때, C1-C20 히드록실알킬 또는 C1-C20 아미노알킬이고, 여기서 각각의 R3는 독립적으로 알킬렌 또는 치환된 알킬렌인 것을 특징으로 하는 방법. - 제1항 내지 제12항 중 어느 한 항에 있어서,
상기 아민 분리 단계로의 공급물의 수분 함량은 10 wt% 미만, 특히 7 wt% 미만, 보다 특히 5 wt% 미만인 것을 특징으로 하는 방법. - 제1항 내지 제13항 중 어느 한 항에 있어서,
상기 반응 분리 시스템 내 압력은 최대 127 bara, 더 바람직하게는 최대 50 bara, 더욱 더 바람직하게는 최대 25 bara, 특히 15 bar 미만, 일부 구현예에서 5 bar 미만인 것을 특징으로 하는 방법. - 제1항 내지 제14항 중 어느 한 항에 있어서,
상기 아민 제거 단계는 적어도 150℃, 바람직하게는 적어도 200℃, 더 바람직하게는 적어도 230℃, 및 가장 바람직하게는 적어도 250℃, 및 바람직하게는 400℃, 더 바람직하게는 350℃를 초과하지 않는 온도에서 수행되는 것을 특징으로 하는 방법.
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