ES2025043T3 - Catalizador para la purificacion de los gases de escape de motores de combustion. - Google Patents
Catalizador para la purificacion de los gases de escape de motores de combustion.Info
- Publication number
- ES2025043T3 ES2025043T3 ES91100789T ES91100789T ES2025043T3 ES 2025043 T3 ES2025043 T3 ES 2025043T3 ES 91100789 T ES91100789 T ES 91100789T ES 91100789 T ES91100789 T ES 91100789T ES 2025043 T3 ES2025043 T3 ES 2025043T3
- Authority
- ES
- Spain
- Prior art keywords
- opt
- cpd
- soln
- promoter
- catalyst
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
SE TRATA DE UN CATALIZADOR PARA LA LIMPIEZA DE GASES DE ESCAPE DE MOTORES DE COMBUSTION INTERNA CON MEJORAS EN EL FUNCIONAMIENTO DE ARRANQUE EN FRIO Y MEJORAS EN LA RESISTENCIA A LA FATIGA POR EL REBAJAMIENTO ESPECIFICO DE LA CARGA DE METAL NOBLE. UTILIZA OXIDO DE ALUMINIO ACTIVO PROVISTO DE LOS HABITUALES IMPULSORES COMO VEHICULO Y COMO METAL NOBLE PLATINO Y/O PALADIO Y RODIO EN LAS CANTIDADES HABITUALES. POR OTRA PARTE CONTIENE UNO O MAS METALES INNOBLES EN CANTIDAD DE HASTA 5 MASAS ESPECIALES DE METAL NOBLE TOTAL, A TRAVES DE LAS CUALES SON CONDUCIDAS POR MEDIO DE UNA TECNICA DE FABRICACION ESPECIAL EN LA INMEDIATA PROXIMIDAD DEL RODIO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4003939A DE4003939A1 (de) | 1990-02-09 | 1990-02-09 | Katalysator fuer die reinigung der abgase von brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2025043A4 ES2025043A4 (es) | 1992-03-16 |
ES2025043T3 true ES2025043T3 (es) | 1994-01-01 |
Family
ID=6399784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91100789T Expired - Lifetime ES2025043T3 (es) | 1990-02-09 | 1991-01-23 | Catalizador para la purificacion de los gases de escape de motores de combustion. |
Country Status (16)
Country | Link |
---|---|
US (1) | US5179059A (es) |
EP (1) | EP0441173B1 (es) |
JP (1) | JP3260391B2 (es) |
KR (1) | KR0169112B1 (es) |
CN (1) | CN1040952C (es) |
AT (1) | ATE94089T1 (es) |
BR (1) | BR9100510A (es) |
CA (1) | CA2036006C (es) |
DE (2) | DE4003939A1 (es) |
ES (1) | ES2025043T3 (es) |
GR (1) | GR910300127T1 (es) |
MX (1) | MX173473B (es) |
RU (1) | RU1834706C (es) |
TR (1) | TR24764A (es) |
UA (1) | UA13035A (es) |
ZA (1) | ZA91145B (es) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4226394C2 (de) * | 1992-08-10 | 1999-01-21 | Degussa | Verfahren zur katalytischen Autoabgasreinigung mit verbessertem Kaltstartverhalten |
US6010673A (en) * | 1992-09-21 | 2000-01-04 | Toyota Jidosha Kabushiki Kaisha | Method for purifying exhaust gas |
JP2708963B2 (ja) * | 1992-09-28 | 1998-02-04 | エイエスイーシー・マニュファクチュアリング・カンパニー | 固有の担体付きパラジウム含有スリーウェイ自動車用触媒 |
EP0613714B1 (en) * | 1993-01-11 | 2001-07-04 | Toyota Jidosha Kabushiki Kaisha | Process for purifying exhaust gases |
EP0885657B1 (en) * | 1993-06-25 | 2008-01-02 | BASF Catalysts LLC | Catalyst composite |
IT1265166B1 (it) * | 1993-07-16 | 1996-10-31 | Sinco Eng Spa | Procedimento per la purificazione di gas inerti |
JP3291086B2 (ja) * | 1993-09-24 | 2002-06-10 | トヨタ自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化方法 |
CA2192176A1 (en) * | 1994-06-17 | 1995-12-28 | Shau-Lin Chen | Layered catalyst composite |
CA2151859C (en) * | 1994-06-17 | 2002-02-26 | Satoshi Inui | Catalyst for purifying exhaust gas from lean burn engine and method for purification |
US6245307B1 (en) * | 1994-06-17 | 2001-06-12 | Ict Co., Ltd. | Catalyst for purifying exhaust gas from lean burn engine and method for purification |
US5565399A (en) * | 1994-06-29 | 1996-10-15 | Engelhard Corp | Co oxidation promoter and use thereof for catalytic cracking |
JP3511314B2 (ja) * | 1994-07-12 | 2004-03-29 | 株式会社キャタラー | 排気ガス浄化用触媒および排気ガス浄化方法 |
JP3314897B2 (ja) * | 1994-08-03 | 2002-08-19 | トヨタ自動車株式会社 | 排気ガス浄化用触媒の製造方法 |
FR2729309B1 (fr) * | 1995-01-13 | 1997-04-18 | Rhone Poulenc Chimie | Composition catalytique a base d'oxyde de cerium et d'oxyde de manganese, de fer ou de praseodyme, son procede de preparation et son utilisation en catalyse postcombustion automobile |
FR2730175B1 (fr) * | 1995-02-03 | 1997-04-04 | Inst Francais Du Petrole | Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations |
SE504912C2 (sv) * | 1995-09-01 | 1997-05-26 | Institutionen Foer Kemiteknik | Katalysatoranvändning |
DE19534497A1 (de) * | 1995-09-18 | 1997-03-20 | Basf Ag | Schalenkatalysatoren |
US20040086441A1 (en) | 1995-12-06 | 2004-05-06 | Masao Hori | Process for purifying exhaust gas from gasoline engines |
FR2742680B1 (fr) * | 1995-12-22 | 1998-01-16 | Inst Francais Du Petrole | Catalyseur de combustion et procede de combustion utilisant un tel catalyseur |
US5878567A (en) | 1996-01-22 | 1999-03-09 | Ford Global Technologies, Inc. | Closely coupled exhaust catalyst system and engine strategy associated therewith |
US6087298A (en) * | 1996-05-14 | 2000-07-11 | Engelhard Corporation | Exhaust gas treatment system |
JP3956437B2 (ja) * | 1996-09-26 | 2007-08-08 | マツダ株式会社 | 排気ガス浄化用触媒 |
US5690900A (en) * | 1996-10-10 | 1997-11-25 | Smojver; Radmil | Ammonia oxidation catalyst |
US5888464A (en) * | 1997-04-08 | 1999-03-30 | Engelhard Corporation | Catalyst composition containing an intimately combined cerium-zirconium oxide |
JP3920966B2 (ja) * | 1997-06-06 | 2007-05-30 | 東燃ゼネラル石油株式会社 | 重質油分解用添加触媒 |
JP3924946B2 (ja) * | 1997-09-25 | 2007-06-06 | マツダ株式会社 | 排気ガス浄化材 |
WO1999017876A1 (en) * | 1997-10-02 | 1999-04-15 | Akzo Nobel N.V. | Treatment to improve the durability of a hydrodechlorination catalyst and catalyst |
US5947063A (en) * | 1997-11-18 | 1999-09-07 | Southwest Research Institute | Stoichiometric synthesis, exhaust, and natural-gas combustion engine |
US6634168B1 (en) * | 1998-10-19 | 2003-10-21 | Nissan Motor Co., Ltd. | Exhaust gas purification system |
DE19854794A1 (de) * | 1998-11-27 | 2000-05-31 | Degussa | Katalysator für die Reinigung der Abgase eines Dieselmotors |
CN1075867C (zh) * | 1998-12-09 | 2001-12-05 | 黄钊辉 | 提增摩托车用触媒净化一氧化碳浓度的方法 |
US6335305B1 (en) * | 1999-01-18 | 2002-01-01 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gas |
DE19908394A1 (de) * | 1999-02-26 | 2000-08-31 | Degussa | Katalysatormaterial und Verfahren zu seiner Herstellung |
US6375910B1 (en) | 1999-04-02 | 2002-04-23 | Engelhard Corporation | Multi-zoned catalytic trap and methods of making and using the same |
US6540968B1 (en) * | 1999-05-19 | 2003-04-01 | Ford Global Technologies, Inc. | Low-precious metal/high-rare earth oxide catalysts |
DE10013894A1 (de) | 2000-03-21 | 2001-10-04 | Dmc2 Degussa Metals Catalysts | Verfahren zur katalytischen Umsetzung von Kohlenmonoxid in einem Wasserstoff enthaltenden Gasgemisch mit verbessertem Kaltstartverhalten und Katalysator hierfür |
US6296822B1 (en) * | 2000-03-29 | 2001-10-02 | Ford Global Technologies, Inc | Process for manufacturing nox traps with improved sulfur tolerance |
CN1564711A (zh) * | 2001-08-07 | 2005-01-12 | 麻省理工学院 | 用于固体酸催化的非沸石纳米复合材料 |
KR20030014877A (ko) * | 2001-08-13 | 2003-02-20 | 현대자동차주식회사 | 가솔린 자동차의 배기가스 정화용 촉매 |
JP3855266B2 (ja) * | 2001-11-01 | 2006-12-06 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
CN100340327C (zh) * | 2003-01-24 | 2007-10-03 | 中国矿业大学(北京) | 用于柴油发动机排放物中NOx和碳烟治理的催化剂及其制备 |
US7635461B2 (en) * | 2003-06-06 | 2009-12-22 | University Of Utah Research Foundation | Composite combustion catalyst and associated methods |
DE102004005997A1 (de) * | 2004-02-06 | 2005-09-01 | Hte Ag The High Throughput Experimentation Company | Mit Eisenoxid stabilisierter Edelmetall-Katalysator zur Entfernung von Schadstoffen aus Abgasen von Mager-Motoren |
JP2006043634A (ja) * | 2004-08-06 | 2006-02-16 | Nissan Motor Co Ltd | 排ガス浄化用触媒及び排ガス浄化用触媒の製造方法 |
JP4654746B2 (ja) * | 2005-04-14 | 2011-03-23 | マツダ株式会社 | 排気ガス浄化触媒装置 |
CN100427208C (zh) * | 2006-01-19 | 2008-10-22 | 清华大学 | 一种汽车尾气净化催化剂的制备方法 |
KR101051418B1 (ko) * | 2006-03-16 | 2011-07-22 | 인터내쇼날 카탈리스트 테크놀로지, 인코포레이티드 | 배기가스 정화용 촉매, 그 제조방법 및 이러한 촉매를이용한 배기가스의 정화방법 |
JP5210306B2 (ja) * | 2006-06-29 | 2013-06-12 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト | 三元触媒 |
JP5100085B2 (ja) * | 2006-10-31 | 2012-12-19 | 株式会社キャタラー | 排ガス浄化用触媒 |
EP1974809B1 (de) * | 2007-03-19 | 2010-09-29 | Umicore AG & Co. KG | Doppelschichtiger Dreiweg-Katalysator |
DE102007019197A1 (de) * | 2007-04-20 | 2008-10-23 | Volkswagen Ag | Abgasnachbehandlung mit verringerter Rhodiumbeladung |
EP1990081A3 (en) * | 2007-05-07 | 2008-12-10 | Ford Global Technologies, LLC. | LNT catalyst and process for the production thereof |
ATE457813T1 (de) | 2007-09-28 | 2010-03-15 | Umicore Ag & Co Kg | Entfernung von partikeln aus dem abgas von mit überwiegend stöchiometrischem luft/kraftstoff- gemisch betriebenen verbrennungsmotoren |
WO2010008073A1 (ja) * | 2008-07-17 | 2010-01-21 | 株式会社 キャタラー | 排ガス浄化用触媒 |
US20100081855A1 (en) * | 2008-09-30 | 2010-04-01 | Fina Technology, Inc. | Semi-Supported Dehydrogenation Catalyst |
CN101444741B (zh) * | 2009-01-04 | 2011-07-20 | 上海大学 | 不锈钢载体催化剂的制备方法和涂敷工艺 |
WO2011004912A1 (ja) * | 2009-07-09 | 2011-01-13 | トヨタ自動車株式会社 | 排ガス浄化触媒及びその製造方法 |
FR2948116B1 (fr) * | 2009-07-17 | 2012-05-04 | Rhodia Operations | Composition a base d'oxyde de cerium et d'oxyde de zirconium de porosite specifique, procede de preparation et utilisation en catalyse |
US8323599B2 (en) | 2010-11-22 | 2012-12-04 | Umicore Ag & Co. Kg | Three-way catalyst having an upstream multi-layer catalyst |
US8557204B2 (en) | 2010-11-22 | 2013-10-15 | Umicore Ag & Co. Kg | Three-way catalyst having an upstream single-layer catalyst |
CN102400745B (zh) * | 2011-10-26 | 2013-10-16 | 浙江吉利汽车研究院有限公司 | 一种三元催化器及其催化层的涂覆方法 |
CN102580733A (zh) * | 2011-12-15 | 2012-07-18 | 无锡威孚环保催化剂有限公司 | 通用小型汽油机尾气净化单钯催化剂的制备方法 |
KR101394680B1 (ko) * | 2012-06-27 | 2014-05-14 | 현대자동차주식회사 | 촉매의 희토류원소 함량 분석을 위한 시료 전처리 방법 |
CN102744064B (zh) * | 2012-07-23 | 2017-12-12 | 中国科学院福建物质结构研究所 | 用于汽车尾气氮氧化物处理的催化剂及其制备 |
JP5138830B1 (ja) * | 2012-09-27 | 2013-02-06 | 株式会社ベスト測器 | 排ガス浄化触媒または排ガスセンサの性能評価装置 |
ES2546118B1 (es) * | 2013-01-24 | 2016-08-09 | Abengoa Bioenergía Nuevas Tecnologías, S.A | Catalizador de rodio promovido para la conversión selectiva de gas de síntesis en etanol |
KR102255757B1 (ko) * | 2013-03-12 | 2021-05-26 | 바스프 코포레이션 | No 산화를 위한 촉매 물질 |
CN103349979A (zh) * | 2013-06-25 | 2013-10-16 | 上海华明高纳稀土新材料有限公司 | 氧化铝催化材料及其制备方法 |
TWI611839B (zh) * | 2016-09-07 | 2018-01-21 | 國立清華大學 | 應用於低碳烴之低溫部分氧化產氫之觸媒 |
JP6837828B2 (ja) * | 2016-12-26 | 2021-03-03 | 太陽化学株式会社 | 低温酸化触媒 |
US10071367B1 (en) * | 2017-05-25 | 2018-09-11 | Toyota Motor Engineering & Manufacturing North America, Inc. | CeO2-NiO mixed oxide catalysts for direct NOx decomposition |
CN107335447B (zh) * | 2017-06-15 | 2020-10-27 | 华南理工大学 | 一种用于净化挥发性有机物的催化剂及其制备方法 |
CN114931962B (zh) * | 2022-06-20 | 2023-07-18 | 无锡威孚环保催化剂有限公司 | 一种快速起燃催化剂涂层及其制备方法 |
CN115400787B (zh) * | 2022-09-28 | 2024-02-23 | 无锡威孚环保催化剂有限公司 | 一种氢内燃机催化剂及其制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2027358B (en) * | 1978-07-12 | 1983-04-27 | Nippon Catalytic Chem Ind | Exhaust gas purification catalysts |
DE2907106C2 (de) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen |
JPS56124442A (en) * | 1980-03-06 | 1981-09-30 | Toyota Central Res & Dev Lab Inc | Catalyst for cleaning of exhaust gas |
FR2530489B1 (fr) * | 1982-07-26 | 1987-02-27 | Pro Catalyse | Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne |
DE3539127C1 (de) * | 1985-11-05 | 1987-01-02 | Hoechst Ag | Verfahren zur Herstellung eines Traegerkatalysators |
DE3803122C1 (es) * | 1988-02-03 | 1989-07-13 | Degussa Ag, 6000 Frankfurt, De |
-
1990
- 1990-02-09 DE DE4003939A patent/DE4003939A1/de active Granted
-
1991
- 1991-01-08 ZA ZA91145A patent/ZA91145B/xx unknown
- 1991-01-17 TR TR4191A patent/TR24764A/xx unknown
- 1991-01-23 EP EP91100789A patent/EP0441173B1/de not_active Expired - Lifetime
- 1991-01-23 AT AT91100789T patent/ATE94089T1/de not_active IP Right Cessation
- 1991-01-23 DE DE91100789T patent/DE59100351D1/de not_active Expired - Fee Related
- 1991-01-23 ES ES91100789T patent/ES2025043T3/es not_active Expired - Lifetime
- 1991-01-31 US US07/658,280 patent/US5179059A/en not_active Expired - Lifetime
- 1991-02-06 JP JP01537591A patent/JP3260391B2/ja not_active Expired - Fee Related
- 1991-02-06 MX MX024429A patent/MX173473B/es unknown
- 1991-02-07 KR KR1019910002069A patent/KR0169112B1/ko not_active IP Right Cessation
- 1991-02-07 BR BR919100510A patent/BR9100510A/pt not_active IP Right Cessation
- 1991-02-07 CN CN91100975A patent/CN1040952C/zh not_active Expired - Fee Related
- 1991-02-08 CA CA002036006A patent/CA2036006C/en not_active Expired - Fee Related
- 1991-02-08 UA UA4894422A patent/UA13035A/uk unknown
- 1991-02-08 RU SU914894422A patent/RU1834706C/ru active
-
1992
- 1992-05-12 GR GR91300127T patent/GR910300127T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
CN1040952C (zh) | 1998-12-02 |
TR24764A (tr) | 1992-03-09 |
RU1834706C (ru) | 1993-08-15 |
CN1053899A (zh) | 1991-08-21 |
DE4003939A1 (de) | 1991-08-14 |
CA2036006A1 (en) | 1991-08-10 |
CA2036006C (en) | 1997-05-20 |
UA13035A (uk) | 1997-02-28 |
ZA91145B (en) | 1991-11-27 |
BR9100510A (pt) | 1991-10-29 |
EP0441173A1 (de) | 1991-08-14 |
MX173473B (es) | 1994-03-07 |
KR0169112B1 (ko) | 1999-01-15 |
ATE94089T1 (de) | 1993-09-15 |
DE4003939C2 (es) | 1992-03-19 |
US5179059A (en) | 1993-01-12 |
JP3260391B2 (ja) | 2002-02-25 |
DE59100351D1 (de) | 1993-10-14 |
EP0441173B1 (de) | 1993-09-08 |
ES2025043A4 (es) | 1992-03-16 |
JPH05115779A (ja) | 1993-05-14 |
GR910300127T1 (en) | 1992-05-12 |
KR910015335A (ko) | 1991-09-30 |
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