ES2029524T3 - Procedimiento de obtencion de un oxido cerico. - Google Patents
Procedimiento de obtencion de un oxido cerico.Info
- Publication number
- ES2029524T3 ES2029524T3 ES198888401593T ES88401593T ES2029524T3 ES 2029524 T3 ES2029524 T3 ES 2029524T3 ES 198888401593 T ES198888401593 T ES 198888401593T ES 88401593 T ES88401593 T ES 88401593T ES 2029524 T3 ES2029524 T3 ES 2029524T3
- Authority
- ES
- Spain
- Prior art keywords
- obtaining
- ceric oxide
- ceric
- procedure
- oxide
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
- C01F17/271—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/276—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/282—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C01P2006/13—Surface area thermal stability thereof at high temperatures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA OBTENCION DE UN OXIDO CERICO. MAS PRECISAMENTE, LA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA AUMENTAR Y ESTABILIZAR A TEMPERATURA ELEVADA LA SUPERFICIE ESPECIFICA DE UN OXIDO CERICO. EL PROCEDIMIENTO DE LA INVENCION, QUE CONSISTE EN PREPARAR UN OXIDO CERICO POR CALCINACION DE UN HIDROXIDO CERICO, SE CARACTERIZA POR EL HECHO DE QUE EL HIDROXIDO CERICO SE SOMETE A UN TRATAMIENTO SOLVOTERMICO, ANTES DE LA OPERACION DE SOLVATACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8709122A FR2617154B1 (fr) | 1987-06-29 | 1987-06-29 | Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2029524T3 true ES2029524T3 (es) | 1992-08-16 |
Family
ID=9352611
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888401593T Expired - Lifetime ES2029524T3 (es) | 1987-06-29 | 1988-06-24 | Procedimiento de obtencion de un oxido cerico. |
ES88401594T Expired - Lifetime ES2024665B3 (es) | 1987-06-29 | 1988-06-24 | Oxido cerico con nuevas caracteristicas morfologicas y su procedimiento de obtencion. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88401594T Expired - Lifetime ES2024665B3 (es) | 1987-06-29 | 1988-06-24 | Oxido cerico con nuevas caracteristicas morfologicas y su procedimiento de obtencion. |
Country Status (12)
Country | Link |
---|---|
US (2) | US5011671A (es) |
EP (2) | EP0300851B1 (es) |
JP (2) | JPH0761863B2 (es) |
KR (2) | KR910010131B1 (es) |
AT (2) | ATE67468T1 (es) |
AU (2) | AU610902B2 (es) |
BR (2) | BR8803178A (es) |
CA (2) | CA1340315C (es) |
DE (2) | DE3868553D1 (es) |
ES (2) | ES2029524T3 (es) |
FR (1) | FR2617154B1 (es) |
GR (2) | GR3003131T3 (es) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2617153B1 (fr) * | 1987-06-26 | 1991-04-05 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
EP0300853B1 (fr) * | 1987-06-29 | 1991-09-18 | Rhone-Poulenc Chimie | Procédé d'obtention d'un oxyde cérique |
FR2617154B1 (fr) * | 1987-06-29 | 1990-11-30 | Rhone Poulenc Chimie | Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
FR2632945B1 (fr) * | 1988-06-15 | 1991-02-08 | Rhone Poulenc Chimie | Procede d'obtention d'un oxyde cerique de grande surface specifique |
FR2623793B1 (fr) * | 1987-11-30 | 1991-06-07 | Rhone Poulenc Chimie | Procede de preparation de granules a base d'oxyde de titane, de zirconium, ou de cerium et produits ainsi obtenus |
US5279789A (en) * | 1988-12-23 | 1994-01-18 | Rhone-Poulenc Chimie | Ceric oxide particulates having improved morphology |
FR2640953B1 (es) * | 1988-12-23 | 1991-02-08 | Rhone Poulenc Chimie | |
FR2640954B1 (es) * | 1988-12-23 | 1991-03-29 | Rhone Poulenc Chimie | |
CA2089760C (en) * | 1990-08-18 | 1998-04-14 | Dieter Wurmbauer | Process for producing metal hydroxides with a small specific area |
US5449387A (en) * | 1992-06-17 | 1995-09-12 | Rhone-Poulenc Chemicals Limited | Cerium (IV) catalyst compounds and promoting combustion of hydrocarbon fuels therewith |
US5466646A (en) * | 1992-08-18 | 1995-11-14 | Worcester Polytechnic Institute | Process for the preparation of solid state materials and said materials |
US5417956A (en) * | 1992-08-18 | 1995-05-23 | Worcester Polytechnic Institute | Preparation of nanophase solid state materials |
US5389352A (en) * | 1993-07-21 | 1995-02-14 | Rodel, Inc. | Oxide particles and method for producing them |
ATE192352T1 (de) * | 1994-02-18 | 2000-05-15 | Rhodia Chimie Sa | Organische sole von vierwertigen metalloxid und deren verwendung in kohlenwasserstoffzusammensetzungen |
FR2716388B1 (fr) * | 1994-02-18 | 1996-08-02 | Rhone Poulenc Chimie | Sol organique de composé cérique et son procédé de synthèse. |
FR2726199A1 (fr) * | 1994-10-28 | 1996-05-03 | Rhone Poulenc Chimie | Sol organique d'oxyde tetravalent et son utilisation comme additif de composes hydrocarbones |
TW311905B (es) * | 1994-07-11 | 1997-08-01 | Nissan Chemical Ind Ltd | |
US6210451B1 (en) | 1995-02-21 | 2001-04-03 | Rhone-Poulenc Chimie | Colloidal organic sols comprising tetravalent metal oxide/organic acid complexes |
FR2736042B1 (fr) * | 1995-06-30 | 1997-09-12 | Rhone Poulenc Chimie | Dispersion colloidale et composition redispersible sous forme d'une dispersion colloidale a base d'oxyde de cerium |
FR2741869B1 (fr) * | 1995-12-04 | 1998-02-06 | Rhone Poulenc Chimie | Oxyde de cerium a pores de structure lamellaire, procede de preparation et utilisation en catalyse |
US6420269B2 (en) * | 1996-02-07 | 2002-07-16 | Hitachi Chemical Company, Ltd. | Cerium oxide abrasive for polishing insulating films formed on substrate and methods for using the same |
CN1282226C (zh) * | 1996-09-30 | 2006-10-25 | 日立化成工业株式会社 | 氧化铈研磨剂以及基板的研磨方法 |
SG72802A1 (en) * | 1997-04-28 | 2000-05-23 | Seimi Chem Kk | Polishing agent for semiconductor and method for its production |
JPH11181403A (ja) * | 1997-12-18 | 1999-07-06 | Hitachi Chem Co Ltd | 酸化セリウム研磨剤及び基板の研磨法 |
US6933417B1 (en) | 1999-11-22 | 2005-08-23 | Dow Global Technologies Inc. | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent |
US6909024B1 (en) | 1999-11-22 | 2005-06-21 | The Dow Chemical Company | Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process |
US6797845B1 (en) | 1999-11-22 | 2004-09-28 | Dow Global Technologies Inc. | Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent |
US6680415B1 (en) | 1999-11-22 | 2004-01-20 | Dow Global Technologies Inc. | Oxyhalogenation process using catalyst having porous rare earth halide support |
JP5168527B2 (ja) * | 2001-01-18 | 2013-03-21 | 株式会社豊田中央研究所 | 酸化物粉末とその製造方法 |
US6984763B2 (en) * | 2001-05-23 | 2006-01-10 | Dow Global Technologies Inc. | Oxidative halogenation and optional dehydrogenation of c3+hydrocarbons |
KR100890773B1 (ko) * | 2001-09-07 | 2009-03-31 | 아난 가세이 가부시키가이샤 | 산화 제2세륨 및 그 제조법 및 배기가스 정화용 촉매 |
US20060032836A1 (en) * | 2001-11-16 | 2006-02-16 | Ferro Corporation | Methods of controlling the properties of abrasive particles for use in chemical-mechanical polishing slurries |
US6596042B1 (en) | 2001-11-16 | 2003-07-22 | Ferro Corporation | Method of forming particles for use in chemical-mechanical polishing slurries and the particles formed by the process |
US7666239B2 (en) * | 2001-11-16 | 2010-02-23 | Ferro Corporation | Hydrothermal synthesis of cerium-titanium oxide for use in CMP |
AU2002359356A1 (en) * | 2001-11-16 | 2003-06-10 | Ferro Corporation | Particles for use in cmp slurries and method for producing them |
KR100477939B1 (ko) | 2002-04-15 | 2005-03-18 | 주식회사 엘지화학 | 단결정 산화세륨 분말의 제조방법 |
US20040152929A1 (en) * | 2002-05-08 | 2004-08-05 | Clarke William D | Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods |
US20050108947A1 (en) * | 2003-11-26 | 2005-05-26 | Mueller Brian L. | Compositions and methods for chemical mechanical polishing silica and silicon nitride |
US20060021972A1 (en) * | 2004-07-28 | 2006-02-02 | Lane Sarah J | Compositions and methods for chemical mechanical polishing silicon dioxide and silicon nitride |
JP4561975B2 (ja) * | 2004-09-14 | 2010-10-13 | 第一稀元素化学工業株式会社 | セリアゾル及びその製造方法 |
KR100725699B1 (ko) * | 2005-09-02 | 2007-06-07 | 주식회사 엘지화학 | 일액형 cmp 슬러리용 산화 세륨 분말, 그 제조방법,이를 포함하는 일액형 cmp 슬러리 조성물, 및 상기슬러리를 사용하는 얕은 트랜치 소자 분리방법 |
JP5279183B2 (ja) * | 2006-10-12 | 2013-09-04 | 第一稀元素化学工業株式会社 | セリウム系酸化物の製造方法 |
US8105318B2 (en) * | 2006-11-14 | 2012-01-31 | Ams Research Corporation | Introducer and valve cap for anastomosis device |
KR101562198B1 (ko) * | 2007-06-08 | 2015-10-23 | 다우 코닝 코포레이션 | 고온 성능을 위한 플루오로실리콘 탄성중합체 |
FR2962431B1 (fr) | 2010-07-07 | 2018-01-19 | Rhodia Operations | Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse. |
FR2965189A1 (fr) | 2010-09-29 | 2012-03-30 | Rhodia Operations | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium |
WO2013120808A1 (en) * | 2012-02-15 | 2013-08-22 | Dsm Ip Assets B.V. | Novel process for the manufacture of methyl limonitrile |
EP2628723B1 (en) * | 2012-02-15 | 2014-09-10 | DSM IP Assets B.V. | Novel process for the manufacture of methyl limonitrile |
MY158376A (en) | 2013-06-04 | 2016-09-26 | Nippon Denko | Ceria-zirconia-based composite oxide and method of production of the same |
WO2015054828A1 (en) | 2013-10-15 | 2015-04-23 | Rhodia Operations | Process for forming primary, secondary or tertiary amine via direct amination reaction |
WO2015117264A1 (en) * | 2014-02-07 | 2015-08-13 | Xi'an Jiaotong University | Cerium dioxide nanoparticles and methods for their preparation and use |
TWI607969B (zh) * | 2014-09-12 | 2017-12-11 | 台灣積體電路製造股份有限公司 | 二氧化鈰粉體的製造方法及二氧化鈰粉體 |
EP3218350B1 (en) | 2014-11-10 | 2022-01-05 | Rhodia Operations | Process for forming amine by direct amination reaction |
EP3237365B1 (en) | 2014-12-22 | 2018-11-28 | Rhodia Operations | Cycloalkane oxidation catalysts and method to produce alcohols and ketones |
CN107848937B (zh) | 2015-05-18 | 2024-03-29 | 罗地亚经营管理公司 | 用于使用含氧气体氧化醇的方法 |
US11572330B2 (en) | 2018-01-30 | 2023-02-07 | Basf Se | Method for oxidation of cycloalkanes |
KR102162974B1 (ko) * | 2018-10-17 | 2020-10-07 | 창원대학교 산학협력단 | 용매열 합성법을 이용한 금속이온 도핑 세리아의 제조방법 |
CN112939052B (zh) * | 2021-03-22 | 2022-12-09 | 北方稀土生一伦高科技有限公司 | 一种小粒度氧化铈的制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4231997A (en) * | 1979-04-05 | 1980-11-04 | Engelhard Minerals & Chemicals Corporation | Preparation of rare earth nitrates |
US4545923A (en) * | 1982-06-11 | 1985-10-08 | Rhone-Poulenc Inc. | Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
US4647401A (en) * | 1983-01-24 | 1987-03-03 | Rhone Poulenc Inc. | Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
FR2545830B1 (fr) * | 1983-05-13 | 1986-01-03 | Rhone Poulenc Spec Chim | Nouvelle composition de polissage a base de cerium et son procede de fabrication |
SU1159886A1 (ru) * | 1983-06-10 | 1985-06-07 | МГУ им.М.В.Ломоносова | Способ разделени редкоземельных элементов |
FR2549846B1 (fr) * | 1983-07-29 | 1986-12-26 | Rhone Poulenc Spec Chim | Nouvelle composition de polissage a base de cerium et son procede de fabrication |
JPS6096527A (ja) * | 1983-11-01 | 1985-05-30 | Asahi Chem Ind Co Ltd | 軽希土中のセリウムを分離する法 |
FR2559754A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
FR2559755A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
FR2583736B1 (fr) * | 1985-06-20 | 1987-08-14 | Rhone Poulenc Spec Chim | Nouveau compose de cerium iv et son procede de preparation. |
FR2584388B1 (fr) * | 1985-07-03 | 1991-02-15 | Rhone Poulenc Spec Chim | Composition a base d'oxyde cerique, sa preparation et ses utilisations |
FR2587036A1 (fr) * | 1985-09-10 | 1987-03-13 | Rhone Poulenc Spec Chim | Procede de traitement de minerais de terres rares |
FR2593195B1 (fr) * | 1986-01-22 | 1988-08-12 | Centre Nat Rech Scient | Nouvelles compositions particulaires d'oxyde de terre rare, leur preparation et leur application |
FR2596381B1 (fr) * | 1986-03-26 | 1988-05-27 | Rhone Poulenc Chimie | Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention |
FR2596382B1 (fr) * | 1986-03-26 | 1988-05-27 | Rhone Poulenc Chimie | Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention |
FR2608583B1 (fr) * | 1986-12-19 | 1990-12-07 | Rhone Poulenc Chimie | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
EP0300853B1 (fr) * | 1987-06-29 | 1991-09-18 | Rhone-Poulenc Chimie | Procédé d'obtention d'un oxyde cérique |
FR2617154B1 (fr) * | 1987-06-29 | 1990-11-30 | Rhone Poulenc Chimie | Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques |
-
1987
- 1987-06-29 FR FR8709122A patent/FR2617154B1/fr not_active Expired - Lifetime
-
1988
- 1988-06-24 ES ES198888401593T patent/ES2029524T3/es not_active Expired - Lifetime
- 1988-06-24 AT AT88401594T patent/ATE67468T1/de not_active IP Right Cessation
- 1988-06-24 ES ES88401594T patent/ES2024665B3/es not_active Expired - Lifetime
- 1988-06-24 EP EP88401593A patent/EP0300851B1/fr not_active Expired - Lifetime
- 1988-06-24 DE DE8888401593T patent/DE3868553D1/de not_active Expired - Fee Related
- 1988-06-24 AT AT88401593T patent/ATE72808T1/de not_active IP Right Cessation
- 1988-06-24 DE DE8888401594T patent/DE3864931D1/de not_active Expired - Fee Related
- 1988-06-24 EP EP88401594A patent/EP0300852B1/fr not_active Expired - Lifetime
- 1988-06-28 CA CA000570585A patent/CA1340315C/fr not_active Expired - Fee Related
- 1988-06-28 BR BR8803178A patent/BR8803178A/pt not_active IP Right Cessation
- 1988-06-28 BR BR8803179A patent/BR8803179A/pt not_active Application Discontinuation
- 1988-06-28 CA CA000570586A patent/CA1339478C/fr not_active Expired - Fee Related
- 1988-06-29 JP JP63159551A patent/JPH0761863B2/ja not_active Expired - Fee Related
- 1988-06-29 AU AU18516/88A patent/AU610902B2/en not_active Ceased
- 1988-06-29 US US07/213,189 patent/US5011671A/en not_active Expired - Lifetime
- 1988-06-29 JP JP63159552A patent/JPH0818833B2/ja not_active Expired - Fee Related
- 1988-06-29 KR KR1019880007953A patent/KR910010131B1/ko not_active IP Right Cessation
- 1988-06-29 AU AU18519/88A patent/AU608861B2/en not_active Ceased
- 1988-06-29 KR KR1019880007952A patent/KR910010130B1/ko not_active IP Right Cessation
- 1988-06-29 US US07/213,147 patent/US5023070A/en not_active Expired - Lifetime
-
1991
- 1991-11-14 GR GR91401742T patent/GR3003131T3/el unknown
-
1992
- 1992-04-01 GR GR920400584T patent/GR3004214T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
AU608861B2 (en) | 1991-04-18 |
AU1851688A (en) | 1989-01-05 |
DE3868553D1 (de) | 1992-04-02 |
KR910010131B1 (ko) | 1991-12-17 |
GR3004214T3 (es) | 1993-03-31 |
JPH0761863B2 (ja) | 1995-07-05 |
AU1851988A (en) | 1989-01-05 |
BR8803178A (pt) | 1989-01-24 |
BR8803179A (pt) | 1989-01-24 |
JPS6465017A (en) | 1989-03-10 |
KR890000346A (ko) | 1989-03-14 |
KR890000347A (ko) | 1989-03-14 |
GR3003131T3 (en) | 1993-02-17 |
DE3864931D1 (de) | 1991-10-24 |
ATE67468T1 (de) | 1991-10-15 |
FR2617154B1 (fr) | 1990-11-30 |
EP0300852B1 (fr) | 1991-09-18 |
EP0300851B1 (fr) | 1992-02-26 |
JPS6465018A (en) | 1989-03-10 |
ES2024665B3 (es) | 1992-03-01 |
KR910010130B1 (ko) | 1991-12-17 |
EP0300851A1 (fr) | 1989-01-25 |
US5011671A (en) | 1991-04-30 |
EP0300852A1 (fr) | 1989-01-25 |
US5023070A (en) | 1991-06-11 |
CA1340315C (fr) | 1999-01-12 |
ATE72808T1 (de) | 1992-03-15 |
CA1339478C (fr) | 1997-09-30 |
JPH0818833B2 (ja) | 1996-02-28 |
FR2617154A1 (fr) | 1988-12-30 |
AU610902B2 (en) | 1991-05-30 |
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