NO943694L - Fremgangsmåte til fremstilling av akroleiner - Google Patents
Fremgangsmåte til fremstilling av akroleinerInfo
- Publication number
- NO943694L NO943694L NO943694A NO943694A NO943694L NO 943694 L NO943694 L NO 943694L NO 943694 A NO943694 A NO 943694A NO 943694 A NO943694 A NO 943694A NO 943694 L NO943694 L NO 943694L
- Authority
- NO
- Norway
- Prior art keywords
- aldolization
- catalyst solution
- substituted acrolein
- aldehyde
- dehydration
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical class C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 abstract 6
- 239000003054 catalyst Substances 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 150000001299 aldehydes Chemical class 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 230000018044 dehydration Effects 0.000 abstract 2
- 238000006297 dehydration reaction Methods 0.000 abstract 2
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N pentanal Chemical compound CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- GADNZGQWPNTMCH-UHFFFAOYSA-N 2-propylhept-2-enal Chemical compound CCCCC=C(C=O)CCC GADNZGQWPNTMCH-UHFFFAOYSA-N 0.000 abstract 1
- 238000005705 Cannizzaro reaction Methods 0.000 abstract 1
- 239000003513 alkali Chemical class 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- -1 n-valeraldehyde Chemical class 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 238000005191 phase separation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
Classifications
-
- 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
- C07C45/65—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
- C07C45/66—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
-
- 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
-
- 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
- C07C45/74—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 combined with dehydration
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Glass Compositions (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB929207756A GB9207756D0 (en) | 1992-04-07 | 1992-04-07 | Process |
| PCT/GB1993/000729 WO1993020034A1 (en) | 1992-04-07 | 1993-04-07 | Aldolisation-dehydration process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO943694D0 NO943694D0 (no) | 1994-10-04 |
| NO943694L true NO943694L (no) | 1994-12-06 |
Family
ID=10713712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO943694A NO943694L (no) | 1992-04-07 | 1994-10-04 | Fremgangsmåte til fremstilling av akroleiner |
Country Status (24)
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667644A (en) * | 1995-02-13 | 1997-09-16 | Mitsubishi Chemical Corporation | Method for producing a dimerized aldehyde |
| GB9519975D0 (en) * | 1995-09-28 | 1995-11-29 | Davy Process Techn Ltd | Process |
| EP0838435A1 (en) | 1996-10-25 | 1998-04-29 | Kvaerner Process Technology Limited | Process and plant for treating an aqueous waste stream containing alkali metal carboxylates |
| DE19956410A1 (de) | 1999-11-24 | 2001-05-31 | Oxeno Olefinchemie Gmbh | Verfahren zur Durchführung von Aldolkondensationen |
| US7335235B2 (en) | 2002-04-26 | 2008-02-26 | Basf Akiengesellschaft | Alkoxylate mixtures and detergents containing the same |
| US7419552B2 (en) | 2002-04-26 | 2008-09-02 | Basf Aktiengesellschaft | C10-alkanol alkoxylates and the use thereof |
| AU2003232206A1 (en) * | 2002-04-26 | 2003-11-10 | Basf Aktiengesellschaft | C10-alkanolalkoxylate mixtures and the use thereof |
| DE10243366A1 (de) | 2002-09-18 | 2004-04-01 | Basf Ag | Herstellung von Alkoxylaten bei optimierten Reaktionsdrücken |
| DE10249912A1 (de) | 2002-10-26 | 2004-05-06 | Oxeno Olefinchemie Gmbh | Benzoesäureisodecyclestergemische, Herstellung und deren Verwendung |
| US6960694B2 (en) * | 2003-07-01 | 2005-11-01 | Eastman Chemical Company | Processes for preparing β-hydroxy-ketones and α,β-unsaturated ketones |
| DE10348420A1 (de) * | 2003-10-14 | 2005-05-25 | Basf Ag | C10-Alkanolalkoxylat-Gemische und ihre Verwendung - Neue schaumarme Netzer |
| US7071361B2 (en) * | 2004-06-25 | 2006-07-04 | Fastman Chemical Company | Processes for the preparation of high molecular weight saturated ketones |
| CA2592095C (en) * | 2004-12-24 | 2013-07-30 | Basf Aktiengesellschaft | Use of nonionic surfactants in metal extraction |
| US7291748B2 (en) * | 2005-07-28 | 2007-11-06 | Basf Corporation | C10/C7 ester mixtures based on 2-propylheptanol |
| CA2670477A1 (en) * | 2006-12-07 | 2008-06-12 | Basf Se | Compositions and kits comprising a fungicidal triazole and an alkoxylated alcohol, and their uses |
| ATE482919T1 (de) * | 2007-01-29 | 2010-10-15 | Basf Se | Verzweigte decylnitrate und ihre verwendung als verbrennungsverbesserer und/oder cetanzahlverbesserer in kraftstoffen |
| TW201031743A (en) | 2008-12-18 | 2010-09-01 | Basf Se | Surfactant mixture comprising branched short-chain and branched long-chain components |
| DE102009001594A1 (de) | 2009-03-17 | 2010-09-30 | Evonik Oxeno Gmbh | Verfahren zur Herstellung von alpha, beta-ungesättigten C10-Aldehyden |
| DE102009028976A1 (de) | 2009-08-28 | 2011-03-03 | Evonik Oxeno Gmbh | Ester der 2,5-Furandicarbonsäure mit isomeren Decanolen und ihre Verwendung |
| DE102009045139A1 (de) | 2009-09-30 | 2011-03-31 | Evonik Oxeno Gmbh | Herstellung von alpha,beta-ungesättigten Aldehyden mittels einer Reaktionsmischpumpe |
| CN102741373B (zh) | 2009-11-05 | 2015-10-07 | 巴斯夫欧洲公司 | 包含基于2-丙基庚醇的酯的胶粘剂和密封剂 |
| JP5543030B2 (ja) | 2010-08-03 | 2014-07-09 | ビーエーエスエフ ソシエタス・ヨーロピア | 研磨材用の加工液 |
| EP2655511B1 (de) | 2010-12-23 | 2016-04-06 | INEOS Styrolution Europe GmbH | Thermoplastische elastomer-zusammensetzung und verfahren zu deren herstellung |
| DE102011121087A1 (de) | 2011-12-14 | 2013-06-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur katalytischen Kondensation oder Kopplung |
| US8742177B2 (en) | 2011-12-28 | 2014-06-03 | Rohm And Haas Company | Catalyst and process to produce branched unsaturated aldehydes |
| EP2809754A1 (de) | 2012-02-01 | 2014-12-10 | Basf Se | Kühl- und/oder schmierflüssigkeiten zur waferherstellung |
| US9006495B2 (en) | 2012-11-30 | 2015-04-14 | Basf Se | Process for the catalytic aldol condensation of aldehydes |
| CN104870416B (zh) | 2012-11-30 | 2017-07-04 | 巴斯夫欧洲公司 | 醛的催化羟醛缩合方法 |
| TWI654177B (zh) | 2013-10-31 | 2019-03-21 | 德商巴斯夫歐洲公司 | 製備羧酸酯的方法及其作爲塑化劑的用途 |
| PL3077453T3 (pl) | 2013-12-06 | 2018-10-31 | Basf Se | Kompozycja plastyfikatora zawierająca pochodne tetrahydrofuranu i estry kwasu 1,2-cykloheksanodikarboksylowego |
| WO2015104309A1 (de) | 2014-01-09 | 2015-07-16 | Basf Se | Weichmacher-zusammensetzung, die furanderivate und 1,2-cyclohexandicarbonsäureester enthält |
| US9776949B2 (en) | 2014-04-22 | 2017-10-03 | Basf Se | Process for the production of carboxylic esters and use of these as plasticizers |
| DE102015207291A1 (de) | 2014-04-24 | 2016-03-10 | Basf Se | Weichmacher-Zusammensetzung, die Furanderivate und 1,2-Cyclohexandicarbonsäureester enthält |
| FR3021314B1 (fr) * | 2014-05-26 | 2016-05-13 | Rhodia Operations | Procede de preparation de composes p-hydroxymandeliques en reacteurs agites |
| TW201605945A (zh) | 2014-07-08 | 2016-02-16 | 巴斯夫歐洲公司 | 包含二羧酸的酯及１，２－環己烷二羧酸的酯之模製化合物 |
| TW201609628A (zh) | 2014-07-08 | 2016-03-16 | 巴斯夫歐洲公司 | 包含脂族二羧酸二酯及對苯二甲酸二烷基酯之塑化劑組成物 |
| TWI706979B (zh) | 2014-08-19 | 2020-10-11 | 德商巴斯夫歐洲公司 | 包含聚合二羧酸酯的塑化劑組成物 |
| TWI686444B (zh) | 2014-09-04 | 2020-03-01 | 德商巴斯夫歐洲公司 | 包含聚合二羧酸酯的塑化劑組成物 |
| DE202014007140U1 (de) | 2014-09-08 | 2014-10-22 | Basf Se | Öl-basierte Bohrflüssigkeiten mit Copolymeren aus Styrol, (Meth)acrylaten von C10-Alkoholgemischen und (Meth)acrylsäure |
| DE202014007136U1 (de) | 2014-09-08 | 2014-10-16 | Basf Se | Härtbare Zusammensetzung, hergestellt mit einem aus (Meth)acrylaten von C10-Alkoholgemischen aufgebauten Copolymer |
| TW201619119A (zh) | 2014-10-09 | 2016-06-01 | 巴斯夫歐洲公司 | 包含飽和二羧酸之環烷基酯及１，２－環己烷二羧酸酯的塑化劑組成物 |
| TW201619120A (zh) | 2014-10-09 | 2016-06-01 | 巴斯夫歐洲公司 | 包含飽和二羧酸之環烷基酯及對苯二甲酯之塑化劑組成物 |
| US9914792B2 (en) | 2014-11-10 | 2018-03-13 | Basf Se | Ethylene-propylheptyl(meth-)acrylate copolymers |
| EP3250635B1 (de) | 2015-01-30 | 2018-10-24 | Basf Se | Weichmacher-zusammensetzung, die polymere dicarbonsäureester und terephthalsäuredialkylester enthält |
| WO2017055429A1 (de) | 2015-09-30 | 2017-04-06 | Basf Se | Weichmacher-zusammensetzung, die polymere dicarbonsäureester und 1,2-cyclohexandicarbonsäureester enthält |
| CA2999936A1 (en) | 2015-09-30 | 2017-04-06 | Basf Se | Plasticizer composition containing polymeric dicarboxylic acid esters and dicarboxylic acid diesters |
| RU2743641C1 (ru) | 2015-09-30 | 2021-02-20 | Басф Се | Пластифицирующая композиция, содержащая полимерные сложные эфиры дикарбоновых кислот и сложные диалкиловые эфиры терефталевой кислоты |
| EP3405518B1 (de) | 2016-01-20 | 2019-11-06 | Basf Se | Weichmacher-zusammensetzung, die aliphatische dicarbonsäureester und diester, die unter 1,2-cyclohexandicarbonsäureestern und terephthalsäureestern ausgewählt sind, enthält |
| PL3433309T3 (pl) | 2016-03-23 | 2020-11-16 | Basf Se | Kompozycja polimerowa, zawierająca diester cykloalkilowo-alkilowy kwasu dikarboksylowego jako plastyfikator |
| WO2018024597A1 (de) | 2016-08-01 | 2018-02-08 | Basf Se | Weichmacher-zusammensetzung |
| WO2018024591A1 (de) | 2016-08-01 | 2018-02-08 | Basf Se | Weichmacher-zusammensetzung |
| EP3491054A1 (de) | 2016-08-01 | 2019-06-05 | Basf Se | Weichmacher-zusammensetzung |
| ES2714899T3 (es) | 2016-09-30 | 2019-05-30 | Oxea Gmbh | Método de producción continuo para 2-metilenos-alcanales |
| GB201617463D0 (en) | 2016-10-14 | 2016-11-30 | Johnson Matthey Davy Technologies Limited | Process |
| KR102602124B1 (ko) * | 2017-05-25 | 2023-11-14 | 롬 앤드 하아스 컴패니 | 메타크롤레인 제조 방법 |
| CN110809623B (zh) | 2017-06-28 | 2022-09-06 | 陶氏环球技术有限责任公司 | 易于生物降解的烷氧基化物混合物 |
| WO2019185409A1 (de) | 2018-03-29 | 2019-10-03 | Basf Se | Pvc-zusammensetzung, enthaltend wenigstens einen weichmacher der wenigstens eine carbonsäureestergruppe aufweist und wenigstens eine carbodiimidverbindung |
| CN108658742B (zh) * | 2018-04-27 | 2021-08-17 | 宿迁科思化学有限公司 | 一种铃兰醛关键中间体对叔丁基-α-甲基苯丙烯醛的制备方法 |
| EP3747860B1 (de) | 2019-06-04 | 2023-07-26 | Basf Se | Neue weichmacher auf cyclohexanon-basis |
| EP3786146A1 (de) * | 2019-08-30 | 2021-03-03 | Röhm GmbH | Verfahren zur herstellung von methacrolein aus formaldehyd und propionaldehyd sowie herstellanlage hierfür |
| KR102675020B1 (ko) * | 2019-10-08 | 2024-06-14 | 한화솔루션 주식회사 | 알돌 축합 반응 장치 |
| CN116063167A (zh) * | 2021-11-01 | 2023-05-05 | 中国石油化工股份有限公司 | 一种制备2-丙基-2-庚烯醛的方法及装置和所得2-丙基-2-庚烯醛 |
| GB202213997D0 (en) | 2022-09-26 | 2022-11-09 | Johnson Matthey Davy Technologies Ltd | Parallel zone hydroformylation reaction |
| WO2024133359A1 (de) | 2022-12-21 | 2024-06-27 | Basf Se | Weichmacher |
| WO2024133358A1 (de) | 2022-12-21 | 2024-06-27 | Basf Se | Weichmacher-verbindung |
| WO2024153687A1 (de) | 2023-01-19 | 2024-07-25 | Basf Se | Verfahren zur herstellung von 1,2-cyclohexandicarbonsäuredialkylestern |
| GB202303617D0 (en) | 2023-03-13 | 2023-04-26 | Johnson Matthey Davy Technologies Ltd | Method and apparatus for producing aldehyde |
| WO2024228768A1 (en) | 2023-05-04 | 2024-11-07 | Dow Technology Investments Llc | Hydroformylation process |
| WO2024256670A1 (de) | 2023-06-15 | 2024-12-19 | Basf Se | Weichmacher-zusammensetzung |
| CN117229132B (zh) * | 2023-11-10 | 2024-02-20 | 济南悟通生物科技有限公司 | 一种反式-2,4-壬二烯醛的合成方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB549006A (en) * | 1940-02-12 | 1942-11-03 | Shell Dev | Condensation of carbonylic compounds |
| GB714883A (en) * | 1951-04-25 | 1954-09-01 | Melle Usines Sa | Improvements relating to the production of unsaturated aliphatic aldehydes |
| FR1036156A (fr) * | 1951-04-25 | 1953-09-04 | Melle Usines Sa | Procédé de préparation d'aldéhydes aliphatiques non saturées |
| GB1010695A (en) * | 1961-12-22 | 1965-11-24 | Exxon Research Engineering Co | Process for the production of alpha, beta unsaturated carbonyl compounds |
| US3248428A (en) * | 1961-12-22 | 1966-04-26 | Exxon Research Engineering Co | Aldolization process |
| DE3106557A1 (de) * | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
| DE3740293A1 (de) * | 1987-11-27 | 1989-06-01 | Hoechst Ag | Verfahren zur herstellung von alpha-alkylacroleinen |
| CA2068489A1 (en) * | 1991-05-16 | 1992-11-17 | Masaru Ishino | Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process |
-
1992
- 1992-04-07 GB GB929207756A patent/GB9207756D0/en active Pending
-
1993
- 1993-04-05 ZA ZA932451A patent/ZA932451B/xx unknown
- 1993-04-06 IN IN245MA1993 patent/IN181962B/en unknown
- 1993-04-07 US US08/313,298 patent/US5434313A/en not_active Expired - Lifetime
- 1993-04-07 HU HU9402893A patent/HUT69744A/hu unknown
- 1993-04-07 WO PCT/GB1993/000729 patent/WO1993020034A1/en active IP Right Grant
- 1993-04-07 JP JP51727493A patent/JP3618099B2/ja not_active Expired - Lifetime
- 1993-04-07 ES ES93909038T patent/ES2114045T3/es not_active Expired - Lifetime
- 1993-04-07 RO RO94-01620A patent/RO117969B1/ro unknown
- 1993-04-07 AT AT93909038T patent/ATE162169T1/de not_active IP Right Cessation
- 1993-04-07 MX MX9302044A patent/MX9302044A/es unknown
- 1993-04-07 AU AU39587/93A patent/AU659554B2/en not_active Ceased
- 1993-04-07 RU RU94045865A patent/RU2113429C1/ru active
- 1993-04-07 EP EP96115200A patent/EP0751109A1/en not_active Withdrawn
- 1993-04-07 EP EP93909038A patent/EP0634994B1/en not_active Expired - Lifetime
- 1993-04-07 DE DE69316349T patent/DE69316349T2/de not_active Expired - Lifetime
- 1993-04-07 CA CA002133764A patent/CA2133764A1/en not_active Abandoned
- 1993-04-07 CN CN93104066A patent/CN1058697C/zh not_active Expired - Lifetime
- 1993-04-07 KR KR1019940703548A patent/KR100278134B1/ko not_active Expired - Lifetime
- 1993-04-07 SG SG1995001941A patent/SG49573A1/en unknown
- 1993-04-07 BR BR9306208A patent/BR9306208A/pt not_active IP Right Cessation
- 1993-04-28 TW TW082103289A patent/TW241254B/zh not_active IP Right Cessation
- 1993-05-19 SA SA93130546A patent/SA93130546B1/ar unknown
-
1994
- 1994-10-04 NO NO943694A patent/NO943694L/no unknown
- 1994-10-04 FI FI944619A patent/FI944619A7/fi unknown
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