DD229688A5 - Verfahren zur herstellung von glykolen aus ethylenoxid - Google Patents
Verfahren zur herstellung von glykolen aus ethylenoxid Download PDFInfo
- Publication number
- DD229688A5 DD229688A5 DD84265883A DD26588384A DD229688A5 DD 229688 A5 DD229688 A5 DD 229688A5 DD 84265883 A DD84265883 A DD 84265883A DD 26588384 A DD26588384 A DD 26588384A DD 229688 A5 DD229688 A5 DD 229688A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- ethylene
- ethylene oxide
- water
- stream
- ethylene carbonate
- Prior art date
Links
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims description 36
- 150000002334 glycols Chemical class 0.000 title abstract description 20
- 238000004519 manufacturing process Methods 0.000 title description 9
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003054 catalyst Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 15
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000005977 Ethylene Substances 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052709 silver Inorganic materials 0.000 claims abstract description 4
- 239000004332 silver Substances 0.000 claims abstract description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 24
- 239000001569 carbon dioxide Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 239000012808 vapor phase Substances 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 abstract description 3
- 239000004971 Cross linker Substances 0.000 abstract 1
- 238000005201 scrubbing Methods 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 description 13
- 230000007062 hydrolysis Effects 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 phosphonium halide Chemical class 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- KVIPHDKUOLVVQN-UHFFFAOYSA-N ethene;hydrate Chemical group O.C=C KVIPHDKUOLVVQN-UHFFFAOYSA-N 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229910001502 inorganic halide Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- JNMIXMFEVJHFNY-UHFFFAOYSA-M methyl(triphenyl)phosphanium;iodide Chemical compound [I-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(C)C1=CC=CC=C1 JNMIXMFEVJHFNY-UHFFFAOYSA-M 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
- C07C29/106—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers of oxiranes
-
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Epoxy Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/519,653 US4508927A (en) | 1983-08-02 | 1983-08-02 | Preparation of glycols from ethylene oxide |
Publications (1)
Publication Number | Publication Date |
---|---|
DD229688A5 true DD229688A5 (de) | 1985-11-13 |
Family
ID=24069223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD84265883A DD229688A5 (de) | 1983-08-02 | 1984-08-01 | Verfahren zur herstellung von glykolen aus ethylenoxid |
Country Status (18)
Country | Link |
---|---|
US (1) | US4508927A (en, 2012) |
EP (1) | EP0133763B1 (en, 2012) |
JP (1) | JPS6054332A (en, 2012) |
KR (1) | KR910007046B1 (en, 2012) |
AR (1) | AR240168A1 (en, 2012) |
AU (1) | AU574087B2 (en, 2012) |
BG (1) | BG47032A3 (en, 2012) |
BR (1) | BR8403842A (en, 2012) |
CA (1) | CA1232918A (en, 2012) |
DD (1) | DD229688A5 (en, 2012) |
DE (1) | DE3476380D1 (en, 2012) |
ES (1) | ES8600186A1 (en, 2012) |
IN (1) | IN161324B (en, 2012) |
MX (1) | MX161869A (en, 2012) |
RO (1) | RO90861B (en, 2012) |
SU (1) | SU1731041A3 (en, 2012) |
YU (1) | YU45639B (en, 2012) |
ZA (1) | ZA846000B (en, 2012) |
Families Citing this family (52)
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US4812292A (en) * | 1987-10-26 | 1989-03-14 | Joslyn Valve Corporation | Chemical sterilant recovery and conversion |
US5763691A (en) * | 1995-11-30 | 1998-06-09 | Mitsubishi Chemical Corporation | Ethylene glycol process |
RU2137748C1 (ru) * | 1998-11-16 | 1999-09-20 | Открытое акционерное общество "Нижнекамскнефтехим" | Способ получения концентрированного водного раствора моноэтиленгликоля |
US6258962B1 (en) | 1999-06-14 | 2001-07-10 | Mobil Oil Corp. | Process for producing alkylene carbonates |
US6765101B1 (en) * | 2001-05-01 | 2004-07-20 | Union Carbide Chemicals & Plastics Technology Corporation | Synthesis of lower alkylene oxides and lower alkylene glycols from lower alkanes and/or lower alkenes |
US6452027B1 (en) * | 2001-09-10 | 2002-09-17 | Scientific Design Company, Inc. | Heat recovery procedure |
BR0312244B1 (pt) * | 2002-06-28 | 2013-06-25 | mÉtodo para melhorar a seletividade de um catalisador e um processo para a epoxidaÇço de uma olefina | |
TW200503997A (en) | 2002-12-20 | 2005-02-01 | Shell Int Research | Process for the preparation of alkylene glycol |
US8049044B2 (en) * | 2002-12-23 | 2011-11-01 | Shell Oil Company | Remediation process and apparatus |
US8148555B2 (en) * | 2003-06-26 | 2012-04-03 | Shell Oil Company | Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin |
PE20070158A1 (es) * | 2005-05-10 | 2007-03-02 | Shell Int Research | Proceso y dispositivo para recuperar oxido de etileno de un absorbente graso |
US7459589B2 (en) * | 2005-12-22 | 2008-12-02 | Shell Oil Company | Process for the preparation of an alkylene glycol |
US20070203350A1 (en) * | 2005-12-22 | 2007-08-30 | Bolk Jeroen W | Method Of Installing An Epoxidation Catalyst In A Reactor, A Method Of Preparing An Epoxidation Catalyst, An Epoxidation Catalyst, A Process For The Preparation Of An Olefin Oxide Or A Chemical Derivable From An Olefin Oxide, And A Reactor Suitable For Such A Process |
US20070213545A1 (en) * | 2005-12-22 | 2007-09-13 | Bolk Jeroen W | Method Of Installing An Epoxidation Catalyst In A Reactor, A Method Of Preparing An Epoxidation Catalyst, An Epoxidation Catalyst, A Process For The Preparation Of An Olefin Oxide Or A Chemical Derivable From An Olefin Oxide, And A Reactor Suitable For Such A Process |
US7750170B2 (en) * | 2005-12-22 | 2010-07-06 | Shell Oil Company | Process for mixing an oxidant having explosive potential with a hydrocarbon |
US20070154377A1 (en) * | 2005-12-22 | 2007-07-05 | Rekers Dominicus M | Process for the removal of combustible volatile contaminant materials from a process stream |
US20070151451A1 (en) * | 2005-12-22 | 2007-07-05 | Rekers Dominicus M | Process for the cooling, concentration or purification of ethylene oxide |
US20070197808A1 (en) * | 2005-12-22 | 2007-08-23 | Bolk Jeroen W | Method Of Installing An Epoxidation Catalyst In A Reactor, A Method Of Preparing An Epoxidation Catalyst, An Epoxidation Catalyst, A Process For The Preparation Of An Olefin Oxide Or A Chemical Derivable From An Olefin Oxide, And A Reactor Suitable For Such A Process |
US20070203352A1 (en) * | 2005-12-22 | 2007-08-30 | Bolk Jeroen W | Method Of Installing An Epoxidation Catalyst In A Reactor, A Method Of Preparing An Epoxidation Catalyst, An Epoxidation Catalyst, A Process For The Preparation Of An Olefin Oxide Or A Chemical Derivable From An Olefin Oxide, And A Reactor Suitable For Such A Process |
US20070197801A1 (en) * | 2005-12-22 | 2007-08-23 | Bolk Jeroen W | Method of installing an epoxidation catalyst in a reactor, a method of preparing an epoxidation catalyst, an epoxidation catalyst, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitables for such a process |
KR20080102155A (ko) * | 2006-02-03 | 2008-11-24 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 촉매의 처리 방법, 처리된 촉매, 및 이 촉매의 용도 |
TWI378087B (en) * | 2006-02-22 | 2012-12-01 | Shell Int Research | Process for the preparation of an alkanediol and a dialkyl carbonate |
TWI382979B (zh) * | 2006-02-22 | 2013-01-21 | Shell Int Research | 碳酸伸烷酯之生產方法及由此生產的碳酸伸烷酯於烷二醇及碳酸二烷酯之製造中的用途 |
TW200740731A (en) * | 2006-02-22 | 2007-11-01 | Shell Int Research | Process for the preparation of alkanediol |
TW200740749A (en) * | 2006-02-22 | 2007-11-01 | Shell Int Research | Process for the preparation of an alkanediol and a dialkyl carbonate |
TWI383976B (zh) * | 2006-02-22 | 2013-02-01 | Shell Int Research | 製備碳酸二烷酯及烷二醇的方法 |
TWI387584B (zh) * | 2006-03-13 | 2013-03-01 | Shell Int Research | 碳酸伸烷酯之生產方法及由此生產之碳酸伸烷酯於烷二醇及碳酸二烷酯之製造中之用途 |
US20080154052A1 (en) * | 2006-12-20 | 2008-06-26 | Jeroen Willem Bolk | Method of installing an epoxidation catalyst in a reactor, a method of preparing an epoxidation catalyst, an epoxidation catalyst, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitable for such a process |
US20080154051A1 (en) * | 2006-12-20 | 2008-06-26 | Jeroen Willem Bolk | Method of installing an epoxidation catalyst in a reactor, a method of preparing an epoxidation catalyst, an epoxidation catalyst, a process for the preparation of an olefin oxide or a chemical derivable from an olefin oxide, and a reactor suitable for such a process |
CN103599798B (zh) | 2007-05-09 | 2015-11-18 | 国际壳牌研究有限公司 | 环氧化催化剂及其制备方法和生产环氧烷、1,2-二醇、1,2-二醇醚、1,2-碳酸酯或烷醇胺的方法 |
CN101815694B (zh) * | 2007-08-14 | 2013-07-24 | 国际壳牌研究有限公司 | 制备亚烷基二醇的方法 |
TWI423946B (zh) * | 2007-11-14 | 2014-01-21 | Shell Int Research | 伸烷基二醇的製造方法 |
WO2009071651A1 (en) * | 2007-12-06 | 2009-06-11 | Shell Internationale Research Maatschappij B.V. | Process for the preparation of alkylene glycol |
US7569710B1 (en) | 2008-02-23 | 2009-08-04 | Brian Ozero | Ethylene oxide recovery process |
BRPI0912381A2 (pt) * | 2008-05-07 | 2017-07-04 | Shell Int Research | processo para a partida de um processo de epoxidação, processo para a produção de óxido de etileno, 1,2-diol, 1, 2-diol éter, 1, 2-carbonato, ou uma alcanolamina |
WO2009137431A2 (en) * | 2008-05-07 | 2009-11-12 | Shell Oil Company | A process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine |
KR101635652B1 (ko) * | 2008-05-15 | 2016-07-01 | 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 | 알킬렌 카보네이트 및/또는 알킬렌 글리콜의 제조방법 |
WO2009140318A1 (en) * | 2008-05-15 | 2009-11-19 | Shell Oil Company | Process for the preparation of an alkylene carbonate and an alkylene glycol |
CA2731412A1 (en) * | 2008-08-05 | 2010-02-11 | Dow Technology Investments Llc | Two-stage, gas phase process for the manufacture of alkylene glycol |
CN102186807B (zh) * | 2008-10-20 | 2014-11-26 | 国际壳牌研究有限公司 | 自有机碳酸酯流移除烷醇杂质的方法 |
ES2437130T3 (es) | 2009-08-12 | 2014-01-09 | Shell Internationale Research Maatschappij B.V. | Procedimiento para eliminar una impureza de alcanol de una corriente de carbonato de dialquilo |
TWI473786B (zh) | 2009-11-16 | 2015-02-21 | Shell Int Research | 製備烷二醇及碳酸二烷酯的方法 |
US8802900B2 (en) * | 2010-11-29 | 2014-08-12 | Shell Oil Company | Process for the preparation of ethylene glycol |
CN103339092B (zh) * | 2011-01-31 | 2015-10-14 | 国际壳牌研究有限公司 | 用于生产乙二醇的方法 |
WO2013028039A2 (ko) * | 2011-08-24 | 2013-02-28 | 롯데케미칼 주식회사 | 알킬렌 카보네이트 및/또는 알킬렌 글리콜 합성용 촉매의 재생 방법 및 알킬렌 카보네이트 및/또는 알킬렌 글리콜의 제조 방법 |
CN102911137A (zh) * | 2012-11-20 | 2013-02-06 | 中国石油化工股份有限公司 | 从乙烯直接氧化产物中分离、回收环氧乙烷的方法 |
CN105503520B (zh) * | 2014-09-25 | 2017-12-15 | 中国石油化工股份有限公司 | 碳酸乙烯酯水解制备乙二醇的方法 |
WO2018102377A1 (en) | 2016-12-02 | 2018-06-07 | Shell Oil Company | Methods for conditioning an ethylene epoxidation catalyst and associated methods for the production of ethylene oxide |
US10738020B2 (en) | 2017-11-22 | 2020-08-11 | Joseph D. Duff | Recovery of ethylene oxide from sterilization process |
KR102796531B1 (ko) | 2018-12-10 | 2025-04-18 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 에틸렌 글리콜의 제조 방법 |
WO2021110627A1 (en) | 2019-12-06 | 2021-06-10 | Shell Internationale Research Maatschappij B.V. | Process for removing an ether alkanol impurity from an organic carbonate stream |
KR102755274B1 (ko) | 2024-07-05 | 2025-01-22 | 최병렬 | 압축기와 반응기와 촉매제 기반 에틸렌과 프로판과 고분자 재료 혼합 복합 생산 시스템 및 그 운용방법 |
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US3214892A (en) * | 1962-01-05 | 1965-11-02 | Pure Oil Co | Process for selectively absorbing carbon dioxide with ethylene carbonate |
US3629343A (en) * | 1968-10-11 | 1971-12-21 | Vnii Neftekhim Protsessov | Process for the production of alkylene glycols |
IT971363B (it) * | 1972-11-30 | 1974-04-30 | Sir Soc Italiana Resine Spa | Procedimento per la preparazione del glicole etilenico |
US3964980A (en) * | 1975-03-24 | 1976-06-22 | Halcon International, Inc. | Process for the recovery of ethylene oxide |
JPS6039053B2 (ja) * | 1976-08-20 | 1985-09-04 | 帝人株式会社 | グリコ−ルの製造法 |
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US4160116A (en) * | 1978-08-28 | 1979-07-03 | Showa Denko K.K. | Process for the production of alkylene glycols |
US4237324A (en) * | 1979-01-22 | 1980-12-02 | The Dow Chemical Company | Production of monoglycols from alkylene carbonates |
US4221727A (en) * | 1979-08-17 | 1980-09-09 | The Dow Chemical Company | Ethylene oxide recovery |
US4233221A (en) * | 1979-10-24 | 1980-11-11 | The Dow Chemical Company | Ethylene carbonate process |
EP0024628B1 (en) * | 1979-08-17 | 1985-04-03 | The Dow Chemical Company | Preparation of ethylene carbonate |
JPS5690029A (en) * | 1979-12-24 | 1981-07-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | Preparation of high-purity alkylene glycol |
GB2098985B (en) * | 1981-05-22 | 1985-10-09 | Ici Plc | Production of alkylene glycols |
DE3237138C2 (de) * | 1981-10-16 | 1984-05-17 | Ppg Industries, Inc., Pittsburgh, Pa. | Verfahren zur Herstellung von Ethylencarbonat oder von Gemischen aus Ethylencarbonat und Ethylenglykol |
US4400559A (en) * | 1982-06-14 | 1983-08-23 | The Halcon Sd Group, Inc. | Process for preparing ethylene glycol |
-
1983
- 1983-08-02 US US06/519,653 patent/US4508927A/en not_active Expired - Fee Related
-
1984
- 1984-07-13 IN IN574/DEL/84A patent/IN161324B/en unknown
- 1984-07-18 DE DE8484304912T patent/DE3476380D1/de not_active Expired
- 1984-07-18 EP EP84304912A patent/EP0133763B1/en not_active Expired
- 1984-07-27 AU AU31235/84A patent/AU574087B2/en not_active Ceased
- 1984-07-27 RO RO115363A patent/RO90861B/ro unknown
- 1984-07-27 AR AR297377A patent/AR240168A1/es active
- 1984-07-31 YU YU133984A patent/YU45639B/sh unknown
- 1984-08-01 SU SU843778492A patent/SU1731041A3/ru active
- 1984-08-01 DD DD84265883A patent/DD229688A5/de not_active IP Right Cessation
- 1984-08-01 CA CA000460141A patent/CA1232918A/en not_active Expired
- 1984-08-01 BG BG066472A patent/BG47032A3/xx unknown
- 1984-08-01 KR KR1019840004575A patent/KR910007046B1/ko not_active Expired
- 1984-08-01 ES ES534787A patent/ES8600186A1/es not_active Expired
- 1984-08-01 BR BR8403842A patent/BR8403842A/pt not_active IP Right Cessation
- 1984-08-02 ZA ZA846000A patent/ZA846000B/xx unknown
- 1984-08-02 JP JP59161652A patent/JPS6054332A/ja active Granted
- 1984-08-02 MX MX202239A patent/MX161869A/es unknown
Also Published As
Publication number | Publication date |
---|---|
JPS6054332A (ja) | 1985-03-28 |
SU1731041A3 (ru) | 1992-04-30 |
IN161324B (en, 2012) | 1987-11-14 |
AU574087B2 (en) | 1988-06-30 |
KR910007046B1 (ko) | 1991-09-16 |
RO90861A (ro) | 1987-04-30 |
RO90861B (ro) | 1987-05-01 |
EP0133763A2 (en) | 1985-03-06 |
YU45639B (sh) | 1992-07-20 |
ZA846000B (en) | 1986-03-26 |
KR850001719A (ko) | 1985-04-01 |
ES534787A0 (es) | 1985-10-01 |
AR240168A1 (es) | 1990-02-28 |
YU133984A (en) | 1986-08-31 |
US4508927A (en) | 1985-04-02 |
ES8600186A1 (es) | 1985-10-01 |
AU3123584A (en) | 1985-02-07 |
CA1232918A (en) | 1988-02-16 |
BG47032A3 (en) | 1990-04-16 |
DE3476380D1 (en) | 1989-03-02 |
MX161869A (es) | 1991-02-01 |
BR8403842A (pt) | 1985-07-09 |
EP0133763B1 (en) | 1989-01-25 |
JPH0446252B2 (en, 2012) | 1992-07-29 |
EP0133763A3 (en) | 1985-11-27 |
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