ES2034345T3 - Procedimiento de produccion de carburo de silicio de gran superficie especifica y aplicacion a reacciones cataliticas a temperatura elevada. - Google Patents
Procedimiento de produccion de carburo de silicio de gran superficie especifica y aplicacion a reacciones cataliticas a temperatura elevada.Info
- Publication number
- ES2034345T3 ES2034345T3 ES198888420352T ES88420352T ES2034345T3 ES 2034345 T3 ES2034345 T3 ES 2034345T3 ES 198888420352 T ES198888420352 T ES 198888420352T ES 88420352 T ES88420352 T ES 88420352T ES 2034345 T3 ES2034345 T3 ES 2034345T3
- Authority
- ES
- Spain
- Prior art keywords
- silicon carbide
- high temperature
- sio
- catalytic reactions
- application
- 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
- 238000000034 method Methods 0.000 title abstract 3
- 238000006555 catalytic reaction Methods 0.000 title abstract 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title abstract 2
- 229910010271 silicon carbide Inorganic materials 0.000 title abstract 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052770 Uranium Inorganic materials 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
- B01J27/224—Silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/956—Silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/956—Silicon carbide
- C01B32/963—Preparation from compounds containing silicon
- C01B32/97—Preparation from SiO or SiO2
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G49/00—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00
- C10G49/02—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00 characterised by the catalyst used
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- 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
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE PRODUCCION DE GRANOS FINOS DE CARBURO DE SILICIO, FORMADOS POR UN AGLOMERADO DE GRANOS SUBMICRONICOS CON UNA SUPERFICIE ESPECIFICA AL MENOS IGUAL A 100 M2/G, DESTINADOS PARTICULARMENTE A SERVIR DE SOPORTE DE CATALIZADORES PARA LA PETROQUIMICA Y PARA REACCIONES CATALITICAS DE TEMPERATURA ELEVADA PUDIENDO ALCANZAR 1000 (GRADOS) C, ESTE PROCEDIMIENTO CONSISTE EN HACER REACCIONAR VAPORES DE MONOXIDO DE SILICIO SIO SOBRE CARBONO, CARACTERIZANDOSE EN QUE SE GENERAN VAPORES DE SIO EN UNA PRIMERA ZONA DE REACCION POR CALENTAMIENTO DE UNA MEZCLA SIO2 + SI(10), A UNA TEMPERATURA COMPRENDIDA ENTRE 1100 Y 1400DC, BAJO UNA PRESION COMPRENDIDA ENTRE 0.1 Y 1.5 HPA; SE PONEN EN CONTACTO, EN UNA SEGUNDA ZONA DE REACCION, LOS VAPORES DE SIO CON EL CARBONO REACTIVO (12), EN ESTADO DIVIDIDO, DE SUPERFICIE ESPECIFICA AL MENOS IGUAL A 200 M2/G, A UNA TEMPERATURA COMPRENDIDA ENTRE 1100 Y 1400 (GRADOS) C. PREFERENTEM,ENTE EL CARBONO REACTIVO ESTA IMPURIFICADO POR UNA ADICION DE 1 A 10% EN PESO DE UN ELEMENTO METALICO ELEGIDO DE ENTRE EL URANIO, EL CERIO, EL TITANIO, EL ZIRCONIO, EL AFNIO Y LOS LANTANIDOS.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8714742A FR2621904B1 (fr) | 1987-10-19 | 1987-10-19 | Procede de production de carbure de silicium a grande surface specifique pour support de catalyseurs |
| FR888801399A FR2626497B2 (fr) | 1987-10-19 | 1988-01-29 | Application du carbure de silicium a grande surface specifique a des reactions catalytiques a temperature elevee |
| FR888804727A FR2629366B2 (fr) | 1987-10-19 | 1988-03-30 | Application du carbure de silicium a grande surface specifique a des reactions catalytiques a temperature elevee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2034345T3 true ES2034345T3 (es) | 1993-04-01 |
Family
ID=27251523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES198888420352T Expired - Lifetime ES2034345T3 (es) | 1987-10-19 | 1988-10-17 | Procedimiento de produccion de carburo de silicio de gran superficie especifica y aplicacion a reacciones cataliticas a temperatura elevada. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4914070A (es) |
| EP (1) | EP0313480B1 (es) |
| JP (1) | JPH0723209B2 (es) |
| AU (1) | AU610677B2 (es) |
| CA (1) | CA1305305C (es) |
| DE (1) | DE3870802D1 (es) |
| DK (1) | DK579288A (es) |
| ES (1) | ES2034345T3 (es) |
| GR (1) | GR3004088T3 (es) |
| NO (1) | NO175143C (es) |
| PT (1) | PT88785B (es) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2655879B2 (fr) * | 1989-10-19 | 1992-02-28 | Pechiney Electrometallurgie | Application particuliere des carbures de metaux lourds a surface specifique elevee. |
| FR2653427B2 (fr) * | 1989-03-28 | 1994-04-15 | Pechiney Electrometallurgie | Perfectionnement a l'obtention de carbure de metaux lourds a surface specifique elevee. |
| FR2657603B1 (fr) * | 1990-01-29 | 1993-07-09 | Pechiney Electrometallurgie | Procede d'obtention de corps solides poreux a base de carbure refractaire a l'aide de composes organiques et de metal ou metallouide. |
| FR2684092B1 (fr) | 1991-11-21 | 1994-03-04 | Pechiney Recherche | Procede de preparation de carbures metalliques a grande surface specifique a partir de mousses de carbone activees. |
| FR2684091B1 (fr) * | 1991-11-21 | 1994-02-25 | Pechiney Recherche | Procede de fabrication de carbures metalliques a grande surface specifique sous balayage de gaz inerte a pression atmospherique. |
| SE503030C2 (sv) * | 1992-04-10 | 1996-03-11 | Svenska Emissionsteknik Ab | Katalysator för rening av avgaser från förbränningsmotorer, sätt att tillverka katalysatorn, användning av katalysatorn samt avgassystem innehållande katalysatorn |
| US5338716A (en) * | 1992-12-01 | 1994-08-16 | Akzo Nobel Nv | Non-oxide metal ceramic catalysts comprising metal oxide support and intermediate ceramic passivating layer |
| US5676918A (en) * | 1992-12-25 | 1997-10-14 | Oji Paper Co., Ltd. | Method of producing silicon carbide fibers |
| NL9300816A (nl) * | 1993-05-12 | 1994-12-01 | Univ Delft Tech | Werkwijze voor de bereiding van een poreus siliciumcarbide. |
| JP3042297B2 (ja) * | 1994-04-12 | 2000-05-15 | 王子製紙株式会社 | 炭化珪素材料の製造方法 |
| FR2727101B1 (fr) * | 1994-11-17 | 1996-12-20 | Elf Aquitaine | Procede pour oxyder directement en soufre par voie catalytique l'h2s contenu en faible concentration dans un gaz et catalyseur pour la mise en oeuvre de ce procede |
| US5811624A (en) * | 1995-09-05 | 1998-09-22 | Exxon Research And Engineering Company | Selective opening of five and six membered rings |
| FR2744038B1 (fr) * | 1996-01-26 | 1998-03-06 | Pechiney Recherche | Supports de catalyseur en mousse de sic revetue de cerine et systemes catalytiques correspondants |
| US5759508A (en) * | 1996-06-28 | 1998-06-02 | E. I. Du Pont De Nemours And Company | Process for producing oxochlorides of sulfur |
| US5879652A (en) * | 1996-06-28 | 1999-03-09 | E. I. Du Pont De Nemours And Company | Process for producing oxochlorides of sulfur |
| RU2178387C2 (ru) * | 1996-06-28 | 2002-01-20 | Е.И. Дюпон Де Немур Энд Компани | Способ получения фосгена |
| FR2783818B1 (fr) | 1998-09-24 | 2000-11-10 | Elf Exploration Prod | Procede pour oxyder directement en soufre, par voie catalytique et en phase vapeur, l'h2s contenu a faible teneur dans un gaz |
| US6399823B1 (en) | 2001-04-30 | 2002-06-04 | General Electric Company | Method for producing phosgene |
| FR2826293B1 (fr) * | 2001-06-21 | 2004-01-30 | Elf Antar France | Procede d'obtention de gaz de synthese par oxydation catalytique partielle |
| DE60222665T2 (de) * | 2001-07-18 | 2008-01-31 | Industrial Ceramic Solutions LLC, Oak Ridge | Whiskerfreie siliciumcarbidfasern |
| US7008560B2 (en) * | 2003-02-10 | 2006-03-07 | Conocophillips Company | Silicon carbide-supported catalysts for partial oxidation of natural gas to synthesis gas |
| FR2858980B1 (fr) * | 2003-08-19 | 2006-02-17 | Inst Francais Du Petrole | Utilisation d'un catalyseur comprenant un support en carburant de silicium b dans un procede d'hydrodesulfuration selective |
| FR2860993B1 (fr) | 2003-10-16 | 2006-06-16 | Sicat | Filtre catalytique a base de carbure de silicium (b-sic) pour la combustion des suies issues des gaz d'echappement d'un moteur a combustion |
| JP2005180262A (ja) * | 2003-12-18 | 2005-07-07 | Tetsuo Toyoda | 粒子状物質の減少装置 |
| FR2864532B1 (fr) * | 2003-12-31 | 2007-04-13 | Total France | Procede de transformation d'un gaz de synthese en hydrocarbures en presence de sic beta et effluent de ce procede |
| BRPI0518860A2 (pt) * | 2004-12-13 | 2008-12-09 | Bp Corp North America Inc | processos de purificaÇço de Ácido carboxÍlico aromÁtico impuro, de fabrico de produto de Ácido carboxÍlico aromÁtico purificado e de Ácido tereftÁlico na forma purificada e de estabilizaÇço de carboneto de silÍcio de elevada Área de superfÍcie |
| US9101890B2 (en) * | 2005-05-25 | 2015-08-11 | Velocys, Inc. | Support for use in microchannel processing |
| US7390869B2 (en) | 2005-06-13 | 2008-06-24 | Eastman Chemical Company | Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species |
| FR2887545B1 (fr) * | 2005-06-27 | 2007-08-10 | Total Sa | Procede de transformation d'un gaz de synthese en hydrocarbures en presence de mousse de sic |
| CN100386150C (zh) * | 2005-08-17 | 2008-05-07 | 云南菲尔特环保科技有限公司 | 一种陶瓷催化剂载体、微粒捕集器和微粒捕集装置及其制备方法 |
| JP2007145665A (ja) * | 2005-11-29 | 2007-06-14 | Tokai Konetsu Kogyo Co Ltd | 多孔質SiC焼結体の製造方法 |
| DE602007004608D1 (de) * | 2007-08-03 | 2010-03-18 | Univ Parma | Reaktorvorrichtung zur isotopischen Analyse |
| EP2204235A1 (en) | 2008-12-19 | 2010-07-07 | Total Petrochemicals Research Feluy | Catalyst and process for selective hydrogenation of alkynes and dienes |
| EP2204236A1 (en) | 2008-12-19 | 2010-07-07 | Total Petrochemicals Research Feluy | Catalyst and process for hydrogenation of hydrocarbon feedstocks |
| US20120269693A1 (en) * | 2009-10-30 | 2012-10-25 | Honda Motor Co., Ltd. | Exhaust emission control device for internal combustion engine |
| JP5346788B2 (ja) * | 2009-11-30 | 2013-11-20 | 昭和電工株式会社 | 炭化珪素単結晶の製造方法 |
| FR2965191A1 (fr) | 2010-09-23 | 2012-03-30 | Centre Nat Rech Scient | Reacteur a plaques pour la synthese fischer-tropsch |
| CN102626653B (zh) * | 2012-03-16 | 2014-01-01 | 北京工业大学 | 用于氨选择性催化消除NOx的SAPO-18负载Cu-Fe催化剂的制备方法 |
| WO2014001697A1 (fr) | 2012-06-26 | 2014-01-03 | Sicat Llc | Supports de catalyseur à base de carbure de silicium recouvert de TiO2 pour la synthèse de Fischer-Tropsch |
| WO2014207096A1 (en) | 2013-06-27 | 2014-12-31 | Sicat | Method for manufacturing shaped beta-sic mesoporous products and products obtained by this method |
| US9708546B2 (en) | 2015-10-29 | 2017-07-18 | King Fahd University Of Petroleum And Minerals | Method for removing sulfur compounds from a hydrocarbon fluid using an adsorbent |
| KR102346850B1 (ko) | 2016-04-28 | 2022-01-04 | 인디안 인스터튜트 오브 테크놀로지, 델리 | 삼산화황의 전환 및 수소 생산 방법을 위한 촉매 조성물 |
| TWI607968B (zh) * | 2016-09-23 | 2017-12-11 | 國家中山科學研究院 | 一種碳化物原料合成之製備方法 |
| FR3077306B1 (fr) | 2018-01-29 | 2022-07-01 | Centre Nat Rech Scient | Element de construction pour l'assainissement du milieu urbain routier |
| KR101978938B1 (ko) * | 2018-07-25 | 2019-05-16 | 한국에너지기술연구원 | 실리콘 카바이드 제조방법 및 이를 이용하여 제조된 실리콘 카바이드 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1266478A (en) * | 1917-03-03 | 1918-05-14 | Carborundum Co | Method of producing silicon-carbid articles. |
| US1930716A (en) * | 1932-04-11 | 1933-10-17 | Selden Co | Catalytic oxidations of organic compounds |
| US2431326A (en) * | 1942-10-29 | 1947-11-25 | Carborundum Co | Silicon carbide articles and method of making same |
| US2451485A (en) * | 1947-09-27 | 1948-10-19 | Shell Dev | Production of unsaturated carbonylic compounds |
| US3526602A (en) * | 1968-02-09 | 1970-09-01 | Shikishima Mui Bii Kk | Catalyst carrier and process of making the same |
| US3839542A (en) * | 1971-01-04 | 1974-10-01 | American Cyanamid Co | Method of making sub-micron particles of metal carbides of enlarged and controlled particle size |
| JPS54122312A (en) * | 1978-03-15 | 1979-09-21 | Hiroshige Suzuki | Silicon carbide powder for sintering use and preparation thereof |
| US4851203A (en) * | 1986-04-03 | 1989-07-25 | Atochem | Metal carbide and nitride powders |
-
1988
- 1988-10-06 US US07/254,149 patent/US4914070A/en not_active Expired - Lifetime
- 1988-10-17 EP EP88420352A patent/EP0313480B1/fr not_active Expired - Lifetime
- 1988-10-17 DE DE8888420352T patent/DE3870802D1/de not_active Expired - Lifetime
- 1988-10-17 ES ES198888420352T patent/ES2034345T3/es not_active Expired - Lifetime
- 1988-10-18 PT PT88785A patent/PT88785B/pt active IP Right Grant
- 1988-10-18 NO NO884623A patent/NO175143C/no not_active IP Right Cessation
- 1988-10-18 CA CA000580403A patent/CA1305305C/fr not_active Expired - Lifetime
- 1988-10-18 DK DK579288A patent/DK579288A/da not_active Application Discontinuation
- 1988-10-19 JP JP63263832A patent/JPH0723209B2/ja not_active Expired - Lifetime
- 1988-12-30 AU AU27581/88A patent/AU610677B2/en not_active Ceased
-
1992
- 1992-05-07 GR GR910401926T patent/GR3004088T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0313480A1 (fr) | 1989-04-26 |
| NO175143B (no) | 1994-05-30 |
| DK579288A (da) | 1989-04-20 |
| US4914070A (en) | 1990-04-03 |
| NO175143C (no) | 1994-09-07 |
| AU610677B2 (en) | 1991-05-23 |
| AU2758188A (en) | 1990-07-05 |
| JPH01131016A (ja) | 1989-05-23 |
| GR3004088T3 (es) | 1993-03-31 |
| JPH0723209B2 (ja) | 1995-03-15 |
| PT88785B (pt) | 1993-01-29 |
| EP0313480B1 (fr) | 1992-05-06 |
| DK579288D0 (da) | 1988-10-18 |
| NO884623D0 (no) | 1988-10-18 |
| NO884623L (no) | 1989-04-20 |
| DE3870802D1 (de) | 1992-06-11 |
| CA1305305C (fr) | 1992-07-21 |
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