IN171049B - - Google Patents
Info
- Publication number
- IN171049B IN171049B IN203/MAS/88A IN203MA1988A IN171049B IN 171049 B IN171049 B IN 171049B IN 203MA1988 A IN203MA1988 A IN 203MA1988A IN 171049 B IN171049 B IN 171049B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
-
- 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
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/025—Purification; Separation; Stabilisation; Desodorisation of organo-phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/141—Esters of phosphorous acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/6574—Esters of oxyacids of phosphorus
- C07F9/65744—Esters of oxyacids of phosphorus condensed with carbocyclic or heterocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/6574—Esters of oxyacids of phosphorus
- C07F9/65746—Esters of oxyacids of phosphorus the molecule containing more than one cyclic phosphorus atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6578—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and sulfur atoms with or without oxygen atoms, as ring hetero atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/032,906 US4835299A (en) | 1987-03-31 | 1987-03-31 | Process for purifying tertiary organophosphites |
Publications (1)
Publication Number | Publication Date |
---|---|
IN171049B true IN171049B (OSRAM) | 1992-07-04 |
Family
ID=21867504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN203/MAS/88A IN171049B (OSRAM) | 1987-03-31 | 1988-03-30 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4835299A (OSRAM) |
EP (1) | EP0285136B2 (OSRAM) |
JP (1) | JPH064660B2 (OSRAM) |
KR (1) | KR930005259B1 (OSRAM) |
CN (1) | CN1019396B (OSRAM) |
CA (1) | CA1314053C (OSRAM) |
DE (1) | DE3886577T3 (OSRAM) |
ES (1) | ES2046996T3 (OSRAM) |
IN (1) | IN171049B (OSRAM) |
MX (1) | MX166895B (OSRAM) |
PL (1) | PL152658B1 (OSRAM) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW213465B (OSRAM) * | 1991-06-11 | 1993-09-21 | Mitsubishi Chemicals Co Ltd | |
US5292785A (en) * | 1992-05-05 | 1994-03-08 | Ciba-Geigy Corporation | Bis-phosphite stabilized compositions |
US5391799A (en) * | 1992-05-05 | 1995-02-21 | Ciba-Geigy Corporation | Process for the preparation 6-chloro-2,4,8,10-tetra-butyldibenzo[d,f][1,3,2]dioxaphoshepin |
US5310889A (en) * | 1992-07-22 | 1994-05-10 | Ciba-Geigy Corporation | Carbohydrate substituted dibenzo(d,f)(1,3,2)dioxaphosphepin stabilizers |
US5310890A (en) * | 1992-07-22 | 1994-05-10 | Ciba-Geigy Corporation | Carbohydrate substituted dibenzoi(d,g)(1,3,2)dioxaphosphocin stabilizers |
US5763671A (en) * | 1995-12-06 | 1998-06-09 | Union Carbide Chemicals & Plastics Technology Corporation | Hydroformylation processes |
US5789625A (en) * | 1995-12-06 | 1998-08-04 | Union Carbide Chemicals & Plastics Technology Corporation | Metal-ligand complex catalyzed processes |
US5892127A (en) * | 1996-04-24 | 1999-04-06 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for producing 1,6-hexanedials and derivatives |
TW482765B (en) * | 1996-08-05 | 2002-04-11 | Sumitomo Chemical Co | Phosphites, process for producing the same and their use |
US5892119A (en) * | 1996-11-26 | 1999-04-06 | Union Carbide Chemicals & Plastics Technology Corporation | Metal-ligand complex catalyzed processes |
US5917095A (en) * | 1996-11-26 | 1999-06-29 | Union Carbide Chemicals & Plastics Technology Corporation | Metal-ligand complex catalyzed processes |
US6291717B1 (en) | 1998-12-10 | 2001-09-18 | Mitsubishi Chemical Corporation | Process for producing aldehyde |
DE10148551A1 (de) * | 2001-10-01 | 2003-04-10 | Bayer Ag | Chirale Monophosphorverbindungen |
DE10220801A1 (de) * | 2002-05-10 | 2003-11-20 | Oxeno Olefinchemie Gmbh | Verfahren zur Rhodium-katalysierten Hydroformylierung von Olefinen unter Reduzierung der Rhodiumverluste |
JP4523411B2 (ja) * | 2002-08-31 | 2010-08-11 | エボニック オクセノ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 環状炭酸エステルの存在下でのオレフィン性不飽和化合物、特にオレフィンのヒドロホルミル化法 |
KR101035146B1 (ko) | 2006-11-06 | 2011-05-17 | 주식회사 엘지화학 | 옥소 공정에서 재결정화 과정에 의한 촉매 리간드 산화물의 분리 방법 |
BRPI0808297B1 (pt) * | 2007-03-20 | 2017-02-07 | Dow Technology Investments Llc | processo de hidroformilação |
EP2348015A3 (en) | 2007-09-07 | 2012-05-23 | Dow Global Technologies LLC | Preparation of cyano-aliphatic aldehydes |
US7872156B2 (en) * | 2007-12-26 | 2011-01-18 | Eastman Chemical Company | Fluorophosphite containing catalysts for hydroformylation processes |
US7872157B2 (en) * | 2007-12-26 | 2011-01-18 | Eastman Chemical Company | Phosphonite containing catalysts for hydroformylation processes |
US8404903B2 (en) | 2008-07-03 | 2013-03-26 | Dow Technology Investments, Llc | Process of controlling heavies in a recycle catalyst stream |
WO2010057099A1 (en) | 2008-11-14 | 2010-05-20 | University Of Kansas | Polymer-supported transition metal catalyst complexes and methods of use |
US7928267B1 (en) | 2009-06-22 | 2011-04-19 | Eastman Chemical Company | Phosphite containing catalysts for hydroformylation processes |
EP2488539B2 (en) | 2009-10-16 | 2023-12-20 | Dow Technology Investments LLC | Gas phase hydroformylation process |
PL2942343T3 (pl) | 2009-12-22 | 2020-02-28 | Dow Technology Investments Llc | Kontrolowanie stosunku aldehydu normalnego : aldehydu izo w procesie hydroformylowania z ligandami mieszanymi |
CN102741209B (zh) | 2009-12-22 | 2014-12-03 | 陶氏技术投资有限责任公司 | 通过控制烯烃分压来控制混合配体加氢甲酰化工艺中的正构∶异构醛比率 |
PL2722325T5 (pl) | 2009-12-22 | 2019-07-31 | Dow Technology Investments Llc | Regulowanie stosunku aldehyd normalny : izoaldehyd w procesie hydroformylowania z mieszanymi ligandami przez regulowanie ciśnienia cząsteczkowego gazu syntezowego |
CN103153462B (zh) | 2010-10-05 | 2016-06-01 | 陶氏技术投资有限责任公司 | 加氢甲酰基化方法 |
DE102011002639A1 (de) * | 2011-01-13 | 2012-07-19 | Evonik Oxeno Gmbh | Verfahren zur Herstellung von Biphephos |
SA112330271B1 (ar) | 2011-04-18 | 2015-02-09 | داو تكنولوجى انفستمنتس ال ال سى | تخفيف التلوث في عمليات هيدروفورملة عن طريق إضافة الماء |
IN2014CN03131A (OSRAM) * | 2011-10-31 | 2015-07-03 | Dow Technology Investments Llc | |
ES2708393T3 (es) | 2011-12-30 | 2019-04-09 | Basf Se | Procedimiento para la purificación de compuestos orgánicos de difosfito |
EP2797938B8 (de) | 2011-12-30 | 2017-08-30 | Basf Se | Verfahren zur herstellung von 6-chlorodibenzo [d,f][1,3,2]dioxaphosphepin |
US8796481B2 (en) | 2011-12-30 | 2014-08-05 | Basf Se | Crystalline solvate and non-solvated forms of 6,6′-[[3,3′,5,5′-tetrakis(1,1-dimethylethyl)-[1,1′biphenyl]-2,2′-diyl]bis(oxy)]bis-dibenzo [d,f] [1,3,2]-dioxaphosphepine |
US9108988B2 (en) | 2011-12-30 | 2015-08-18 | Basf Se | Method of purifying organic diphosphite compounds |
MY181121A (en) | 2011-12-30 | 2020-12-18 | Basf Se | Crystalline solvate and non-solvated forms of 6,6'-[[3,3',5.5'-tetrakis (1,1-dimethylethyl)-[1,1-biphenyl]-2,2'-diyl]bis(oxy)]bis-dibenzo [d,f][1,3,2]- dioxaphosphepine |
US8841474B2 (en) | 2011-12-30 | 2014-09-23 | Basf Se | Process for preparing 6-chlorodibenzo[D,F][1,3,2]dioxaphosphepin |
MY185096A (en) | 2012-03-07 | 2021-04-30 | Basf Se | Method for thermal integration in the hydrogenation and distillation of c3-c20 aldehydes |
US8889917B2 (en) | 2012-04-12 | 2014-11-18 | Basf Se | Method of supplementing the catalyst in continuous hydroformylation |
WO2013153136A1 (de) | 2012-04-12 | 2013-10-17 | Basf Se | Verfahren zur ergänzung des katalysators bei der kontinuierlichen hydroformylierung |
EP2855016A1 (en) | 2012-06-04 | 2015-04-08 | Dow Technology Investments LLC | Hydroformylation process |
WO2014035673A1 (en) | 2012-08-29 | 2014-03-06 | Dow Technology Investments Llc | Catalyst preparation process |
BR112015006495B1 (pt) | 2012-09-25 | 2020-12-15 | Dow Technology Investments Llc | Processo para estabilizar um ligante de fosfito contra degradação num fluido de reação de hidroformilação |
EP2928855A1 (en) | 2012-12-06 | 2015-10-14 | Dow Technology Investments LLC | Hydroformylation process |
WO2015094781A1 (en) | 2013-12-19 | 2015-06-25 | Dow Technology Investments Llc | Hydroformylation process |
CN104725170B (zh) | 2013-12-19 | 2019-08-23 | 陶氏技术投资有限责任公司 | 加氢甲酰化方法 |
DE102014201756A1 (de) | 2014-01-31 | 2015-08-06 | Evonik Degussa Gmbh | Reinigung chlorverschmutzter Organophosphorverbindungen |
DE102014202500A1 (de) * | 2014-02-12 | 2015-08-13 | Evonik Degussa Gmbh | Verfahren zur Reduzierung des Chlorgehalts von Organobisphosphiten |
WO2015136717A1 (ja) * | 2014-03-12 | 2015-09-17 | 住友化学株式会社 | 加工安定剤 |
EP3126319B1 (en) | 2014-03-31 | 2019-07-17 | Dow Technology Investments LLC | Hydroformylation process |
US10501486B2 (en) | 2014-05-14 | 2019-12-10 | Dow Technology Investments Llc | Stabilized organophosphorous compounds |
WO2015176928A1 (de) | 2014-05-20 | 2015-11-26 | Evonik Degussa Gmbh | Verfahren zur herstellung von monophosphiten |
MY184826A (en) | 2014-12-04 | 2021-04-24 | Dow Technology Investments Llc | Hydroformylation process |
KR102614484B1 (ko) | 2015-07-28 | 2023-12-18 | 다우 테크놀로지 인베스트먼츠 엘엘씨. | 안정화된 유기인 화합물 용액의 제조 방법 |
EP3147291A1 (de) | 2015-09-28 | 2017-03-29 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
TWI709566B (zh) | 2015-09-30 | 2020-11-11 | 美商陶氏科技投資公司 | 用於製造有機磷化合物的方法 |
TWI709568B (zh) | 2015-09-30 | 2020-11-11 | 美商陶氏科技投資公司 | 用於製造有機磷化合物的方法 |
JP6908602B2 (ja) | 2015-11-10 | 2021-07-28 | ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー | アルデヒドの生成プロセス |
EP3176174A1 (de) | 2015-12-03 | 2017-06-07 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von organotetraphosphiten |
CN108698962B (zh) | 2016-02-11 | 2022-02-25 | 陶氏技术投资有限责任公司 | 将烯烃转化成醇、醚或其组合的方法 |
EP3700882B1 (en) | 2017-10-25 | 2022-10-26 | Dow Technology Investments LLC | Process to reduce heavies formation in a solution comprising aldehyde compounds formed during a hydroformylation process |
RU2020117417A (ru) | 2017-11-13 | 2021-11-29 | Дау Текнолоджи Инвестментс Ллк | Способы извлечения родия из процесса гидроформилирования |
US11691936B2 (en) | 2018-11-29 | 2023-07-04 | Dow Technology Investments Llc | Hydroformylation process |
JP7547397B2 (ja) | 2019-06-27 | 2024-09-09 | ダウ テクノロジー インベストメンツ リミティド ライアビリティー カンパニー | 貴金属回収のためのヒドロホルミル化プロセスから溶液を調製するプロセス |
TWI874467B (zh) | 2019-11-05 | 2025-03-01 | 美商陶氏科技投資有限公司 | 用於自c6或更高碳數烯烴氫甲醯化製程之催化劑淨化流回收銠之方法 |
WO2021126421A1 (en) | 2019-12-19 | 2021-06-24 | Dow Technology Investments Llc | Processes for preparing isoprene and mono-olefins comprising at least six carbon atoms |
CN114075244B (zh) * | 2020-08-18 | 2024-06-04 | 中国石油化工股份有限公司 | 一种双齿亚磷酸酯及其纯化方法和应用 |
EP4011891A1 (de) | 2020-12-09 | 2022-06-15 | Covestro Deutschland AG | Verfahren zur herstellung von flammgeschützten pur/pir-hartschaumstoffen |
WO2022132372A1 (en) | 2020-12-14 | 2022-06-23 | Dow Technology Investments Llc | Processes to improve catalytic metal accountability in hydroformylation processes |
KR20240108441A (ko) | 2021-11-11 | 2024-07-09 | 다우 테크놀로지 인베스트먼츠 엘엘씨. | 히드로포르밀화 공정으로부터의 로듐의 회수 공정 |
CN115677757B (zh) * | 2022-11-21 | 2023-07-25 | 江苏极易新材料有限公司 | 一种低氯离子含量的三(2,4-二叔丁基苯基)亚磷酸酯提纯方法 |
WO2024228768A1 (en) | 2023-05-04 | 2024-11-07 | Dow Technology Investments Llc | Hydroformylation process |
WO2025029349A1 (en) | 2023-08-03 | 2025-02-06 | Dow Technology Investments Llc | Hydroformylation process |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA694472A (en) * | 1964-09-15 | E. Jones William | Selective extraction process | |
US3356775A (en) * | 1963-07-31 | 1967-12-05 | Monsanto Co | Purification of triaryl phosphates |
US3415906A (en) * | 1964-05-29 | 1968-12-10 | Hooker Chemical Corp | Phosphite phospholane and phosphorinane compounds |
US3511880A (en) * | 1966-09-16 | 1970-05-12 | Union Oil Co | Hydrocarbonylation process |
US3527809A (en) * | 1967-08-03 | 1970-09-08 | Union Carbide Corp | Hydroformylation process |
SU389100A1 (ru) * | 1971-05-24 | 1973-07-05 | Способ разделения моно- и диалкиловых эфиров фосфорной кислоты | |
FR2259104B1 (OSRAM) * | 1974-01-25 | 1976-11-26 | Rhone Poulenc Ind | |
US3876395A (en) * | 1974-03-07 | 1975-04-08 | Union Carbide Corp | Method for the adsorption of sulfur dioxide |
US3917469A (en) * | 1974-07-24 | 1975-11-04 | Union Carbide Corp | Method for the removal of sulfur dioxide from gas mixtures |
US4351759A (en) * | 1978-01-03 | 1982-09-28 | Ciba-Geigy Corporation | Alkylated 2,2'-biphenylene phosphites and stabilized compositions |
DE2837027A1 (de) * | 1978-08-24 | 1980-03-06 | Bayer Ag | Neue phosphorigsaeureester und ihre verwendung zur stabilisierung von polyamiden |
US4258215A (en) * | 1979-08-29 | 1981-03-24 | Eastman Kodak Company | Hydroformylation process |
EP0096988B1 (en) * | 1982-06-11 | 1987-07-08 | DAVY McKEE (LONDON) LIMITED | Hydroformylation process |
ATE26696T1 (de) * | 1982-06-11 | 1987-05-15 | Davy Mckee London | Hydroformylierungsverfahren. |
US4532085A (en) * | 1983-07-05 | 1985-07-30 | Stauffer Chemical Company | Phosphate ester recovery |
GB8334359D0 (en) * | 1983-12-23 | 1984-02-01 | Davy Mckee Ltd | Process |
US4599206A (en) * | 1984-02-17 | 1986-07-08 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
US4737588A (en) * | 1984-12-28 | 1988-04-12 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
US4748261A (en) * | 1985-09-05 | 1988-05-31 | Union Carbide Corporation | Bis-phosphite compounds |
US4668651A (en) * | 1985-09-05 | 1987-05-26 | Union Carbide Corporation | Transition metal complex catalyzed processes |
US4774361A (en) * | 1986-05-20 | 1988-09-27 | Union Carbide Corporation | Transition metal complex catalyzed reactions |
-
1987
- 1987-03-31 US US07/032,906 patent/US4835299A/en not_active Expired - Lifetime
-
1988
- 1988-03-30 ES ES88105185T patent/ES2046996T3/es not_active Expired - Lifetime
- 1988-03-30 EP EP88105185A patent/EP0285136B2/en not_active Expired - Lifetime
- 1988-03-30 CA CA000562929A patent/CA1314053C/en not_active Expired - Fee Related
- 1988-03-30 DE DE3886577T patent/DE3886577T3/de not_active Expired - Lifetime
- 1988-03-30 MX MX010970A patent/MX166895B/es unknown
- 1988-03-30 CN CN88102776A patent/CN1019396B/zh not_active Expired
- 1988-03-30 KR KR1019880003471A patent/KR930005259B1/ko not_active Expired - Fee Related
- 1988-03-30 IN IN203/MAS/88A patent/IN171049B/en unknown
- 1988-03-31 JP JP63076654A patent/JPH064660B2/ja not_active Expired - Lifetime
- 1988-03-31 PL PL1988271548A patent/PL152658B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
CN88102776A (zh) | 1988-11-23 |
EP0285136A2 (en) | 1988-10-05 |
KR880011179A (ko) | 1988-10-27 |
PL271548A1 (en) | 1989-01-23 |
DE3886577T2 (de) | 1994-04-28 |
PL152658B1 (en) | 1991-01-31 |
ES2046996T3 (es) | 1994-02-16 |
CA1314053C (en) | 1993-03-02 |
DE3886577D1 (de) | 1994-02-10 |
JPH064660B2 (ja) | 1994-01-19 |
MX166895B (es) | 1993-02-11 |
KR930005259B1 (ko) | 1993-06-17 |
JPH02231497A (ja) | 1990-09-13 |
EP0285136A3 (en) | 1989-11-23 |
EP0285136B1 (en) | 1993-12-29 |
EP0285136B2 (en) | 1999-10-20 |
US4835299A (en) | 1989-05-30 |
CN1019396B (zh) | 1992-12-09 |
DE3886577T3 (de) | 2000-01-13 |