KR20100057077A - 2-부탄올로부터 다이부틸 에테르를 제조하는 방법 - Google Patents
2-부탄올로부터 다이부틸 에테르를 제조하는 방법 Download PDFInfo
- Publication number
- KR20100057077A KR20100057077A KR1020107007250A KR20107007250A KR20100057077A KR 20100057077 A KR20100057077 A KR 20100057077A KR 1020107007250 A KR1020107007250 A KR 1020107007250A KR 20107007250 A KR20107007250 A KR 20107007250A KR 20100057077 A KR20100057077 A KR 20100057077A
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- KR
- South Korea
- Prior art keywords
- acid
- ionic liquid
- reaction mixture
- mpa
- dibutyl 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.)
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- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 title claims abstract description 60
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical class CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 33
- 230000008569 process Effects 0.000 title claims description 12
- 239000002608 ionic liquid Substances 0.000 claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 47
- 239000012071 phase Substances 0.000 claims description 38
- 239000011541 reaction mixture Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- -1 fluoroalkyl sulfonic acids Chemical class 0.000 claims description 21
- 239000003377 acid catalyst Substances 0.000 claims description 17
- 150000001450 anions Chemical class 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 15
- 150000001768 cations Chemical class 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- KZWJWYFPLXRYIL-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethanesulfonic acid Chemical compound OS(=O)(=O)C(F)(F)C(F)F KZWJWYFPLXRYIL-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- KZWJWYFPLXRYIL-UHFFFAOYSA-M 1,1,2,2-tetrafluoroethanesulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)F KZWJWYFPLXRYIL-UHFFFAOYSA-M 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 claims description 3
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 claims description 3
- DMOBTBZPQXBGRE-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoropropane-1-sulfonic acid Chemical compound OS(=O)(=O)C(F)(F)C(F)C(F)(F)F DMOBTBZPQXBGRE-UHFFFAOYSA-N 0.000 claims description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical class OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 claims description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 claims description 2
- NYENCOMLZDQKNH-UHFFFAOYSA-K bis(trifluoromethylsulfonyloxy)bismuthanyl trifluoromethanesulfonate Chemical compound [Bi+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F NYENCOMLZDQKNH-UHFFFAOYSA-K 0.000 claims description 2
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 claims description 2
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- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 claims description 2
- HZXJVDYQRYYYOR-UHFFFAOYSA-K scandium(iii) trifluoromethanesulfonate Chemical compound [Sc+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F HZXJVDYQRYYYOR-UHFFFAOYSA-K 0.000 claims description 2
- 150000003871 sulfonates Chemical class 0.000 claims description 2
- 150000003460 sulfonic acids Chemical class 0.000 claims description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 2
- AHZJKOKFZJYCLG-UHFFFAOYSA-K trifluoromethanesulfonate;ytterbium(3+) Chemical compound [Yb+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F AHZJKOKFZJYCLG-UHFFFAOYSA-K 0.000 claims description 2
- JPJIEXKLJOWQQK-UHFFFAOYSA-K trifluoromethanesulfonate;yttrium(3+) Chemical compound [Y+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F JPJIEXKLJOWQQK-UHFFFAOYSA-K 0.000 claims description 2
- WJPWYVWFKYPSJS-UHFFFAOYSA-J trifluoromethanesulfonate;zirconium(4+) Chemical compound [Zr+4].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F WJPWYVWFKYPSJS-UHFFFAOYSA-J 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims 1
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
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- 125000001424 substituent group Chemical class 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
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- 239000000126 substance Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 150000003842 bromide salts Chemical class 0.000 description 6
- HNJBEVLQSNELDL-UHFFFAOYSA-N gamma-butyrolactam Natural products O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
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- 125000000217 alkyl group Chemical group 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 5
- 229940043349 potassium metabisulfite Drugs 0.000 description 5
- 235000010263 potassium metabisulphite Nutrition 0.000 description 5
- 238000004809 thin layer chromatography Methods 0.000 description 5
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- 229910021641 deionized water Inorganic materials 0.000 description 4
- 150000001983 dialkylethers Chemical class 0.000 description 4
- IUIPTNGBJURBMZ-UHFFFAOYSA-L dipotassium;sulfite;hydrate Chemical compound O.[K+].[K+].[O-]S([O-])=O IUIPTNGBJURBMZ-UHFFFAOYSA-L 0.000 description 4
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- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
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- 238000003786 synthesis reaction Methods 0.000 description 4
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- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 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
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003041 laboratory chemical Substances 0.000 description 1
- WGJJZRVGLPOKQT-UHFFFAOYSA-K lanthanum(3+);trifluoromethanesulfonate Chemical compound [La+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F WGJJZRVGLPOKQT-UHFFFAOYSA-K 0.000 description 1
- 229940040102 levulinic acid Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- DILRJUIACXKSQE-UHFFFAOYSA-N n',n'-dimethylethane-1,2-diamine Chemical compound CN(C)CCN DILRJUIACXKSQE-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- WYRSPTDNOIZOGA-UHFFFAOYSA-K neodymium(3+);trifluoromethanesulfonate Chemical compound [Nd+3].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F WYRSPTDNOIZOGA-UHFFFAOYSA-K 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Chemical compound CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- BVZFTIYNEUGOHK-UHFFFAOYSA-M potassium;1,1,2,2-tetrafluoroethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)C(F)F BVZFTIYNEUGOHK-UHFFFAOYSA-M 0.000 description 1
- HOYITZNTNKOLOY-UHFFFAOYSA-M potassium;1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)C(F)OC(F)(F)F HOYITZNTNKOLOY-UHFFFAOYSA-M 0.000 description 1
- GLGXXYFYZWQGEL-UHFFFAOYSA-M potassium;trifluoromethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)F GLGXXYFYZWQGEL-UHFFFAOYSA-M 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229940001482 sodium sulfite Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- ZPHRQLVXRDQUPM-UHFFFAOYSA-M sodium;1,1,2,3,3,3-hexafluoropropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)C(F)C(F)(F)F ZPHRQLVXRDQUPM-UHFFFAOYSA-M 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- RVKZDIDATLDTNR-UHFFFAOYSA-N sulfanylideneeuropium Chemical compound [Eu]=S RVKZDIDATLDTNR-UHFFFAOYSA-N 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- JCQGIZYNVAZYOH-UHFFFAOYSA-M trihexyl(tetradecyl)phosphanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC JCQGIZYNVAZYOH-UHFFFAOYSA-M 0.000 description 1
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97010407P | 2007-09-05 | 2007-09-05 | |
| US60/970,104 | 2007-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20100057077A true KR20100057077A (ko) | 2010-05-28 |
Family
ID=40243833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107007250A Withdrawn KR20100057077A (ko) | 2007-09-05 | 2008-09-05 | 2-부탄올로부터 다이부틸 에테르를 제조하는 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100179355A1 (https=) |
| EP (1) | EP2183209A2 (https=) |
| JP (1) | JP2010538086A (https=) |
| KR (1) | KR20100057077A (https=) |
| CN (1) | CN101796011A (https=) |
| WO (1) | WO2009032965A2 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100281763A1 (en) * | 2009-05-05 | 2010-11-11 | Bp Corporation North America Inc. | Unit, Method, And Renewable Material |
| US9272995B2 (en) * | 2013-02-19 | 2016-03-01 | Coorstek Fluorochemicals, Inc. | Process for producing ionic liquids |
| EP3243075B1 (en) * | 2015-01-05 | 2019-08-28 | Saudi Arabian Oil Company | Characterization of crude oil and its fractions by thermogravimetric analysis |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2010356A (en) * | 1931-11-17 | 1935-08-06 | Shell Dev | Mixed tertiary ethers |
| US3267156A (en) * | 1961-08-07 | 1966-08-16 | Socony Mobil Oil Co Inc | Production of dialkyl ethers |
| EP2243539A3 (en) * | 2002-04-05 | 2011-06-01 | University Of South Alabama | Functionalized ionic liquids, and methods of use thereof |
| JP2009502894A (ja) * | 2005-07-27 | 2009-01-29 | ビーピー ピー・エル・シー・ | 脱水方法 |
| WO2007038362A1 (en) * | 2005-09-22 | 2007-04-05 | E. I. Du Pont De Nemours And Company | Preparation of polytrimethylene ether glycol and copolymers thereof |
| US20090023959A1 (en) * | 2006-06-16 | 2009-01-22 | D Amore Michael B | Process for making dibutyl ethers from dry 1-butanol |
| US20080015396A1 (en) * | 2006-06-16 | 2008-01-17 | D Amore Michael B | Process for making dibutyl ethers from dry isobutanol |
-
2008
- 2008-09-05 WO PCT/US2008/075309 patent/WO2009032965A2/en not_active Ceased
- 2008-09-05 JP JP2010524161A patent/JP2010538086A/ja not_active Abandoned
- 2008-09-05 EP EP08829805A patent/EP2183209A2/en not_active Withdrawn
- 2008-09-05 CN CN200880105428.5A patent/CN101796011A/zh active Pending
- 2008-09-05 US US12/676,193 patent/US20100179355A1/en not_active Abandoned
- 2008-09-05 KR KR1020107007250A patent/KR20100057077A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010538086A (ja) | 2010-12-09 |
| WO2009032965A3 (en) | 2009-04-30 |
| EP2183209A2 (en) | 2010-05-12 |
| CN101796011A (zh) | 2010-08-04 |
| US20100179355A1 (en) | 2010-07-15 |
| WO2009032965A2 (en) | 2009-03-12 |
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Legal Events
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| PA0105 | International application |
Patent event date: 20100402 Patent event code: PA01051R01D Comment text: International Patent Application |
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| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |