KR100200314B1 - 2-에틸-2-(하이드록시메틸)헥사날 및 2-부틸-2-에틸-1,3-프로판디올의 연속 제조방법 - Google Patents
2-에틸-2-(하이드록시메틸)헥사날 및 2-부틸-2-에틸-1,3-프로판디올의 연속 제조방법 Download PDFInfo
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- KR100200314B1 KR100200314B1 KR1019940700229A KR19940700229A KR100200314B1 KR 100200314 B1 KR100200314 B1 KR 100200314B1 KR 1019940700229 A KR1019940700229 A KR 1019940700229A KR 19940700229 A KR19940700229 A KR 19940700229A KR 100200314 B1 KR100200314 B1 KR 100200314B1
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- South Korea
- Prior art keywords
- ethylhexanal
- ethyl
- tertiary amine
- hydroxymethyl
- hexanal
- 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.)
- Expired - Fee Related
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- 238000010924 continuous production Methods 0.000 title claims abstract description 10
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 title abstract description 35
- DKYDBQBEFXCOJY-UHFFFAOYSA-N 2-ethyl-2-methylhexan-1-ol Chemical compound CCCCC(C)(CC)CO DKYDBQBEFXCOJY-UHFFFAOYSA-N 0.000 title description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 154
- LGYNIFWIKSEESD-UHFFFAOYSA-N 2-ethylhexanal Chemical compound CCCCC(CC)C=O LGYNIFWIKSEESD-UHFFFAOYSA-N 0.000 claims abstract description 79
- 150000003512 tertiary amines Chemical class 0.000 claims abstract description 61
- UVEFAZXHHJHMGK-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)hexanal Chemical compound CCCCC(CC)(CO)C=O UVEFAZXHHJHMGK-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 239000012074 organic phase Substances 0.000 claims abstract description 44
- 239000008346 aqueous phase Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000012043 crude product Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 65
- 238000004821 distillation Methods 0.000 claims description 31
- 238000005984 hydrogenation reaction Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 7
- 230000005494 condensation Effects 0.000 claims description 7
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 claims description 6
- -1 2-ethyl Chemical group 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 230000002051 biphasic effect Effects 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- LAIUFBWHERIJIH-UHFFFAOYSA-N 3-Methylheptane Chemical compound CCCCC(C)CC LAIUFBWHERIJIH-UHFFFAOYSA-N 0.000 claims description 3
- 239000012455 biphasic mixture Substances 0.000 claims description 3
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- SOCSGCSCSMVDQQ-UHFFFAOYSA-N 2-(hydroxymethyl)hexanal Chemical compound CCCCC(CO)C=O SOCSGCSCSMVDQQ-UHFFFAOYSA-N 0.000 claims 1
- 150000002009 diols Chemical class 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 238000010533 azeotropic distillation Methods 0.000 abstract description 6
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 24
- 229910052759 nickel Inorganic materials 0.000 description 10
- 238000006482 condensation reaction Methods 0.000 description 8
- 150000002148 esters Chemical class 0.000 description 8
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- SHZIWNPUGXLXDT-UHFFFAOYSA-N caproic acid ethyl ester Natural products CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 4
- 239000006184 cosolvent Substances 0.000 description 4
- 150000004675 formic acid derivatives Chemical class 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- OBETXYAYXDNJHR-UHFFFAOYSA-N 2-Ethylhexanoic acid Chemical compound CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000005270 trialkylamine group Chemical group 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- GOYVCPYTLIOSLQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)hexanoic acid Chemical compound CCCCC(CC)(CO)C(O)=O GOYVCPYTLIOSLQ-UHFFFAOYSA-N 0.000 description 1
- 238000005705 Cannizzaro reaction Methods 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000007707 calorimetry Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material 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
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000012970 tertiary amine catalyst Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (6)
- (1) (i) 화학량론적으로 과량의 2-에틸헥사날이 공급되도록, 그리고 (ii) 반응영역내 삼차아민 : 2-에틸헥사날의 중량비가 최소한 0.2로 유지되도록 하는 공급비율로 2-에틸헥사날, 수성 포름알데히드 및 삼차아민을 반응영역에 연속적으로 공급하는 단계 ; 및 (2) (i) 수성상과 (ii) 2-에틸-2-(하이드록시메틸) 헥사날 및 2-에틸헥사날을 함유한 유기상으로 구성된 조 생성혼합물을 반응영역으로부터 연속적으로 제거하는 단계로 구성되는, 삼차아민 존재하에 2-에틸헥사날과 포름알데히드를 축합시키는 2-에틸-2-(하이드록시메틸) 헥사날의 연속 제조방법.
- 제1항에 있어서, (1) (i) 반응영역에 공급되는 2-에틸헥사날 : 포름알데히드의 몰비가 1.1 : 1 - 1.6 : 1이며, (ii) 반응영역내 삼차아민 : 2-에틸헥사날의 중량비가 0.2-0.5로 유지되도록 하는 공급비율로 2-에틸헥사날, 수성 포름알데히드와 트리에틸아민, 트리프로필아민 및 이들로부터 선택된 삼차아민을 반응영역에 연속적으로 공급하는 단계 ; 및 (2) (i) 수성상과 (ii) 2-에틸-2-(하이드록시메틸) 헥사날 및 2-에틸헥사날을 함유한 유기상으로 구성된 조 생성혼합물을 반응영역으로부터 연속적으로 제거하는 단계로 구성되는 방법.
- 제2항에 있어서, (1) (i) 반응영역에 공급되는 2-에틸헥사날 : 포름알데히드의 몰비가 1.3 : 1 - 1.6 : 1이며, (ii) 반응영역내 삼차아민 : 2-에틸헥사날의 중량비가 0.3-0.4로 유지되도록하는 공급비율로 2-에틸헥사날, 수성 포름알데히드 및 삼차아민을 반응영역에 연속적으로 공급하는 단계 ; 및 (2) (i) 수성상과 (ii) 2-에틸-2-(하이드록시메틸) 헥사날 및 2-에틸헥사날을 함유한 유기상으로 구성된 조 생성혼합물을 반응영역으로부터 연속적으로 제거하는 단계로 구성되는, 트리에틸아민, 트리프로필아민 및 이들의 혼합물로부터 선택된 삼차아민 존재하에 100-125℃의 온도, 1-3 절대 bar (100-300 KPa)의 압력에서 2-에틸헥사날과 포름알데히드를 축합시키는 2-에틸-2-(하이드록시메틸) 헥사날의 제조방법.
- 제1항에 있어서, (3) 단계 (2)의 조 생성혼합물을 증류컬럼의 중간구획으로 연속적으로 공급하는 단계 ; (4) 증류컬럼의 중간 또는 상부구획으로 물을 연속적으로 공급하는 단계 ; (5) 2-에틸헥사날, 삼차아민 및 물로 구성된 증기스트림을 증류컬럼으로부터 연속적으로 제거하는 단계 ; (6) 단계 (5)의 증기스트림을 응축시켜 2 상 액체를 얻고, 2-에틸헥사날과 삼차아민이 풍부한 유기상을 분리하는 단계 ; 및 (7) 2-에틸헥사날과 삼차아민이 고갈되고 2-에틸-2-(하이드록시메틸) 헥사날과 물로 구성된 2 상 혼합물을 증류컬럼의 하부구획으로부터 연속적으로 제거하는 단계로 추가로 구성되는, 2-에틸-2-(하이드록시메틸) 헥사날, 2-에틸헥사날, 삼차아민 및 물로 구성된 혼합물로부터 2-에틸헥사날 및 삼차아민의 연속 회수방법.
- 제1항에 있어서, (3) 단계 (2)의 조 생성혼합물을 기저부의 온도가 100-110℃로 유지되는 증류컬럼의 중간구획으로 연속적으로 공급하는 단계 : (4) 증류컬럼의 중간 또는 상부구획으로 물을 연속적으로 공급하는 단계 : (5) 2-에틸헥사날, 삼차아민 및 물로 구성된 증기스트림을 증류컬럼으로부터 연속적으로 제거하는 단계 : (6) 단계 (5)의 증기스트림을 응축시켜 2 상 액체를 얻고, 2-에틸헥사날과 삼차아민이 풍부한 유기상을 분리하는 단계 : (7) 2-에틸헥사날과 삼차아민이 고갈되고 2-에틸-2-(하이드록시메틸) 헥사날과 물로 구성된 2 상 혼합물을 증류컬럼의 하부구획으로부터 연속적으로 제거하는 단계 : 및 (8) 단계 (7)의 2 상 혼합물을 (i) 수성상과 (ii) 최소한 80 wt%의 2-에틸-2-(하이드록시메틸) 헥사날 및 2 wt% 미만의 포름알데히드로 구성된 유기상으로 분리하는 단계로 추가로 구성되는 연속방법.
- 제4항에 있어서, (8) 단계 (5)의 2 상 혼합물을 (i) 수성상과 (ii) 2-에틸-2-(하이드록시메틸) 헥사날이 풍부한 유기상으로 연속적으로 분리하는 단계 : 및 (9) 단계 (6)의 유기상을 수소화 영역으로 연속적으로 공급하여 2-에틸-2-(하이드록시메틸) 헥사날을 수소화 촉매와 접촉시켜 2-부틸-2-에틸-1,3-프로판디올을 제조하는 단계로 추가로 구성되는 연속방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/735,575 US5146004A (en) | 1991-07-25 | 1991-07-25 | Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl) hexanal and 2-butyl-2-theyl-1,3-propanediol |
US735,575 | 1991-07-25 | ||
PCT/US1992/006091 WO1993002035A1 (en) | 1991-07-25 | 1992-07-23 | Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1,3-propanediol |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100200314B1 true KR100200314B1 (ko) | 1999-06-15 |
Family
ID=24956354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940700229A Expired - Fee Related KR100200314B1 (ko) | 1991-07-25 | 1992-07-23 | 2-에틸-2-(하이드록시메틸)헥사날 및 2-부틸-2-에틸-1,3-프로판디올의 연속 제조방법 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5146004A (ko) |
EP (1) | EP0599883B1 (ko) |
JP (1) | JPH07502018A (ko) |
KR (1) | KR100200314B1 (ko) |
AT (1) | ATE143000T1 (ko) |
CA (1) | CA2114139C (ko) |
DE (1) | DE69213950T2 (ko) |
ES (1) | ES2092126T3 (ko) |
WO (1) | WO1993002035A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI95691C (fi) * | 1993-06-28 | 1996-03-11 | Neste Oy | Menetelmä 2-n-butyyli-2-etyyli-1,3-propaanidiolin valmistamiseksi |
WO2005007605A1 (ja) * | 2003-07-23 | 2005-01-27 | Kyowa Hakko Chemical Co., Ltd. | α,α-ビス(ヒドロキシメチル)アルカナールの製造方法 |
US7887709B2 (en) * | 2005-11-30 | 2011-02-15 | Shaw Environment & Infrastructure, Inc. | System and method for catalytic treatment of contaminated groundwater or soil |
US20110076782A1 (en) * | 2009-09-28 | 2011-03-31 | International Business Machines Corporation | Read-after-write detection of analytes via nanoparticle-labeled substances |
US9304130B2 (en) | 2010-12-16 | 2016-04-05 | International Business Machines Corporation | Trenched sample assembly for detection of analytes with electromagnetic read-write heads |
US9435800B2 (en) | 2012-09-14 | 2016-09-06 | International Business Machines Corporation | Sample assembly with an electromagnetic field to accelerate the bonding of target antigens and nanoparticles |
US9056824B2 (en) * | 2013-01-31 | 2015-06-16 | Eastman Chemical Company | Preparation of hydroxy aldehydes |
KR101529828B1 (ko) * | 2013-07-26 | 2015-06-17 | 주식회사 엘지화학 | 메틸올알칸알의 제조방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE758908R (fr) * | 1968-09-27 | 1971-05-13 | Basf Ag | Procede de preparation de dimethyl-2, 2-hydroxy-3- |
DE2500311C2 (de) * | 1975-01-07 | 1983-12-22 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Propandiol-(1,3)-mono-(3'-hydroxy)-propionaten sowie einige dieser Propandiol-(1,3)-mono-(3'-hydroxy)-propionate |
JPS6418741A (en) * | 1987-07-13 | 1989-01-23 | Michiharu Horiuchi | Emergency stop device for vehicle |
-
1991
- 1991-07-25 US US07/735,575 patent/US5146004A/en not_active Expired - Lifetime
-
1992
- 1992-07-23 AT AT92916408T patent/ATE143000T1/de not_active IP Right Cessation
- 1992-07-23 KR KR1019940700229A patent/KR100200314B1/ko not_active Expired - Fee Related
- 1992-07-23 EP EP92916408A patent/EP0599883B1/en not_active Expired - Lifetime
- 1992-07-23 ES ES92916408T patent/ES2092126T3/es not_active Expired - Lifetime
- 1992-07-23 JP JP5503036A patent/JPH07502018A/ja active Pending
- 1992-07-23 WO PCT/US1992/006091 patent/WO1993002035A1/en active IP Right Grant
- 1992-07-23 CA CA002114139A patent/CA2114139C/en not_active Expired - Fee Related
- 1992-07-23 DE DE69213950T patent/DE69213950T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2092126T3 (es) | 1996-11-16 |
EP0599883B1 (en) | 1996-09-18 |
CA2114139C (en) | 1997-04-29 |
JPH07502018A (ja) | 1995-03-02 |
ATE143000T1 (de) | 1996-10-15 |
DE69213950D1 (de) | 1996-10-24 |
CA2114139A1 (en) | 1993-02-04 |
WO1993002035A1 (en) | 1993-02-04 |
EP0599883A1 (en) | 1994-06-08 |
DE69213950T2 (de) | 1997-01-30 |
US5146004A (en) | 1992-09-08 |
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