ES2058778T3 - Proceso y aparato para polimerizacion en fase gaseosa de olefinas en un reactor de lecho fluidizado. - Google Patents
Proceso y aparato para polimerizacion en fase gaseosa de olefinas en un reactor de lecho fluidizado.Info
- Publication number
- ES2058778T3 ES2058778T3 ES90300734T ES90300734T ES2058778T3 ES 2058778 T3 ES2058778 T3 ES 2058778T3 ES 90300734 T ES90300734 T ES 90300734T ES 90300734 T ES90300734 T ES 90300734T ES 2058778 T3 ES2058778 T3 ES 2058778T3
- Authority
- ES
- Spain
- Prior art keywords
- reactor
- olephins
- bed reactor
- fluidized bed
- phase polymerization
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1872—Details of the fluidised bed reactor
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/003—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/006—Separating solid material from the gas/liquid stream by filtration
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
- B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00761—Discharging
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Cyclones (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
Abstract
PROCESO DE POLIMERIZACION DE OLEGINOS EN UN REACTOR DE LECHO FLUIDO EN LA FASE GASEOSA, COMPRENDE UN CUERPO (1) MONTADO OPCIONALMENTE DENTRO DE UNA CPAMARA DE DESENGANCHE (2) EN LA QUE LAS FINAS PARTICULAS DE GAS PROCEDENTES DE LA MEZCLA GASEOSA DE LA PARTE SUPERIOR DEL REACTOR, SE SEPARAN DEL GAS Y SE RECICLAN HACIA LA POSICION SUPERIOR DEL CUERPO DEL REACTOR. EL POLIMERO ES EXTRAIDO DEL CUERPO DEL REACTOR (1) A TRAVES DE AL MENOS DOS SALIDAS DE POLIMEROS, AL MENOS UNO DE LOS CUALES (15) ESTA EN LA PARTE INFERIOR DEL CUERPO DEL REACATOR (1) Y AL MENOS UNO DE LOS CUALES (16) ESTA EN LA PARTE SUPERIOR DEL CUERPO DEL REACTOR ENUNA POSICION POR DEBAJO DE LA PARTE SUPERIOR DEL LECHO FUILDO. EL INVENTO INCLUYE APRATOS PARA POLIMERIZAR OLEGINOS Y EL EMPLEO DE DICHO APARATO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8901378A FR2642429B1 (fr) | 1989-01-31 | 1989-01-31 | Procede et appareil de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2058778T3 true ES2058778T3 (es) | 1994-11-01 |
Family
ID=9378430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90300734T Expired - Lifetime ES2058778T3 (es) | 1989-01-31 | 1990-01-24 | Proceso y aparato para polimerizacion en fase gaseosa de olefinas en un reactor de lecho fluidizado. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5382638A (es) |
| EP (1) | EP0381364B1 (es) |
| JP (1) | JPH02233708A (es) |
| AT (1) | ATE94172T1 (es) |
| AU (1) | AU621188B2 (es) |
| CA (1) | CA2008653A1 (es) |
| DD (1) | DD291769A5 (es) |
| DE (1) | DE69003120T2 (es) |
| ES (1) | ES2058778T3 (es) |
| FI (1) | FI900486A7 (es) |
| FR (1) | FR2642429B1 (es) |
| HU (1) | HUT55258A (es) |
| NO (1) | NO173875C (es) |
| NZ (1) | NZ232318A (es) |
| RU (1) | RU1838327C (es) |
Families Citing this family (68)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6025448A (en) | 1989-08-31 | 2000-02-15 | The Dow Chemical Company | Gas phase polymerization of olefins |
| US6538080B1 (en) | 1990-07-03 | 2003-03-25 | Bp Chemicals Limited | Gas phase polymerization of olefins |
| FR2693729B1 (fr) * | 1992-07-16 | 1994-10-07 | Bp Chemicals Snc | Réacteur de polymérisation à lit fluidisé et procédé de polymérisation. |
| DE69317485T2 (de) * | 1992-07-16 | 1998-07-09 | Bp Chem Int Ltd | Polymerisationsverfahren |
| FR2693730B1 (fr) * | 1992-07-16 | 1994-09-30 | Bp Chemicals Snc | Réacteur à lit fluidisé et procédé de soutirage. |
| ZA943399B (en) * | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
| FR2731000B1 (fr) * | 1995-02-24 | 1997-04-18 | Bp Chemicals Snc | Procede de polymerisation d'olefine en phase gazeuse |
| CA2225493A1 (en) | 1995-08-10 | 1997-02-20 | Exxon Chemical Patents, Inc. | Metallocene stabilized alumoxane |
| WO1997048735A1 (en) | 1996-06-17 | 1997-12-24 | Exxon Chemical Patents Inc. | Mixed transition metal catalyst systems for olefin polymerization |
| US6759499B1 (en) * | 1996-07-16 | 2004-07-06 | Exxonmobil Chemical Patents Inc. | Olefin polymerization process with alkyl-substituted metallocenes |
| EP0824115A1 (en) * | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0824116A1 (en) * | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0824118B1 (en) * | 1996-08-13 | 2003-01-08 | BP Chemicals Limited | Polymerisation process |
| FR2752533B1 (fr) * | 1996-08-23 | 1998-09-18 | Bp Chemicals Snc | Appareillage et procede de polymerisation d'olefine en phase gazeuse |
| JP3710247B2 (ja) * | 1997-04-10 | 2005-10-26 | 三井化学株式会社 | 気相重合装置 |
| WO2000018808A1 (en) | 1998-09-30 | 2000-04-06 | Exxon Chemical Patents Inc. | Cationic group 3 catalyst system |
| DE19847647A1 (de) * | 1998-10-15 | 2000-04-20 | Elenac Gmbh | Wirbelschichtverfahren und Reaktor zur Behandlung von Katalysatoren und Katalysatorträgern |
| US6486088B1 (en) | 1998-10-23 | 2002-11-26 | Exxonmobil Chemical Patents Inc. | High activity carbenium-activated polymerization catalysts |
| FI111953B (fi) | 1998-11-12 | 2003-10-15 | Borealis Tech Oy | Menetelmä ja laite polymerointireaktoreiden tyhjentämiseksi |
| US6607768B1 (en) * | 1998-11-19 | 2003-08-19 | Praxis Werke, Inc. | Coffee roasting methods |
| FR2791983B1 (fr) * | 1999-04-12 | 2001-05-18 | Bp Chemicals Snc | Appareil et procede de polymerisation en phase gazeuse d'olefine |
| SG82693A1 (en) * | 1999-09-03 | 2001-08-21 | Sumitomo Chemical Co | Fluidized bed reactor for gas phase olefin polymerization, process for polymerizing olefin and process for producing olefin polymer |
| US6475946B1 (en) | 1999-10-22 | 2002-11-05 | Exxonmobil Chemical Patents Inc. | Olefin polymerization catalysis with aryl substituted carbenium cationic complexes |
| US6476164B1 (en) | 1999-10-22 | 2002-11-05 | Exxonmobil Chemical Patents Inc. | Carbenium cationic complexes suitable for polymerization catalysts |
| US6489480B2 (en) | 1999-12-09 | 2002-12-03 | Exxonmobil Chemical Patents Inc. | Group-15 cationic compounds for olefin polymerization catalysts |
| US6822057B2 (en) * | 1999-12-09 | 2004-11-23 | Exxon Mobil Chemical Patents Inc. | Olefin polymerization catalysts derived from Group-15 cationic compounds and processes using them |
| US6472483B1 (en) * | 2000-02-28 | 2002-10-29 | Union Carbide Chemicals & Plastics Technology Corporation | Dry product discharge from a gas phase polymerization reactor operating in the condensing mode |
| US6809209B2 (en) | 2000-04-07 | 2004-10-26 | Exxonmobil Chemical Patents Inc. | Nitrogen-containing group-13 anionic compounds for olefin polymerization |
| US7511104B2 (en) | 2001-06-20 | 2009-03-31 | Exxonmobil Chemical Patents Inc. | Polyolefins made by catalyst comprising a noncoordinating anion and articles comprising them |
| EP1348720B1 (en) * | 2002-03-29 | 2004-12-29 | Mitsui Chemicals, Inc. | Process for producing olefinic polymer |
| JP5055761B2 (ja) | 2005-12-19 | 2012-10-24 | 住友化学株式会社 | オレフィン重合体の製造方法 |
| US7714083B2 (en) * | 2006-03-08 | 2010-05-11 | Exxonmobil Chemical Patents Inc. | Recycle of hydrocarbon gases from the product tanks to a reactor through the use of ejectors |
| US7718139B2 (en) * | 2006-07-20 | 2010-05-18 | Westlake Longview Corporation | Process and apparatus for olefin polymerization in a fluidized bed reactor |
| JP5092543B2 (ja) | 2006-08-11 | 2012-12-05 | 住友化学株式会社 | オレフィン重合用予備重合触媒の製造方法およびオレフィン重合体の製造方法 |
| AU2007307285A1 (en) | 2006-10-10 | 2008-04-17 | Univation Technologies, Llc | Discharge system to remove solids from a vessel |
| US8129486B2 (en) | 2006-10-10 | 2012-03-06 | Univation Technologies, Llc | Discharge systems and methods of using the same |
| JP4905095B2 (ja) * | 2006-12-06 | 2012-03-28 | 住友化学株式会社 | オレフィン重合体の製造方法 |
| JP5308797B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法 |
| JP5308794B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | 噴流層装置を用いたポリオレフィン製造方法 |
| JP5308795B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | ポリオレフィン製造方法、並びに、噴流層装置を備えたポリオレフィン製造システム |
| JP5427396B2 (ja) | 2007-12-11 | 2014-02-26 | 住友化学株式会社 | 粉体移送装置、及び、ポリオレフィンの製造方法 |
| JP5249730B2 (ja) | 2007-12-11 | 2013-07-31 | 住友化学株式会社 | オレフィン重合反応装置及びポリオレフィン製造方法 |
| EP2222725B1 (en) * | 2007-12-27 | 2019-06-19 | Univation Technologies, LLC | Systems and methods for removing entrained particulates from gas streams |
| US7799866B2 (en) | 2007-12-28 | 2010-09-21 | Sumitomo Chemical Company, Limited | Method for producing propylene-ethylene block copolymer |
| JP2009221323A (ja) | 2008-03-14 | 2009-10-01 | Sumitomo Chemical Co Ltd | プロピレン系ブロック共重合体粒子群 |
| US8124696B2 (en) | 2009-11-20 | 2012-02-28 | Univation Technologies, Llc | Method of using an upper discharge in a fluidized bed reactor and system thereof |
| JP5545800B2 (ja) | 2009-06-08 | 2014-07-09 | 住友化学株式会社 | 噴流−流動層型オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法 |
| EP2348056A1 (en) | 2010-01-26 | 2011-07-27 | Ineos Europe Limited | Process for the gas phase polymerisation of olefins |
| EP2457647A1 (en) | 2010-11-29 | 2012-05-30 | Ineos Commercial Services UK Limited | Apparatus and process |
| US8198384B1 (en) | 2011-01-10 | 2012-06-12 | Westlake Longview Corporation | Method for preventing or reducing clogging of a fines ejector |
| SG184672A1 (en) | 2011-03-25 | 2012-10-30 | Sumitomo Chemical Co | Olefin polymerization reactor, polyolefin production system, and polyolefin production process |
| US10035964B2 (en) * | 2014-07-04 | 2018-07-31 | Tubitak | Circulating fluidized bed gasification or combustion system |
| DE102015107433A1 (de) * | 2015-05-12 | 2016-11-17 | Outotec (Finland) Oy | Verfahren und Anlage zur Produktion von kalziniertem Petrolkoks |
| JP6743463B2 (ja) | 2016-04-12 | 2020-08-19 | 住友化学株式会社 | ポリオレフィンの製造方法 |
| JP6902337B2 (ja) | 2016-08-03 | 2021-07-14 | 住友化学株式会社 | ヘテロファジックプロピレン重合材料の製造方法 |
| KR102444560B1 (ko) | 2016-09-30 | 2022-09-20 | 다우 글로벌 테크놀로지스 엘엘씨 | 체인 셔틀링에 유용한 다중 또는 이중 헤드 구성 요소 및 이를 준비하는 과정 |
| TWI756272B (zh) | 2016-09-30 | 2022-03-01 | 美商陶氏全球科技有限責任公司 | 適用於鏈梭移之封端多頭或雙頭組合物及其製備方法 |
| JP7123040B2 (ja) | 2016-09-30 | 2022-08-22 | ダウ グローバル テクノロジーズ エルエルシー | 連鎖シャトリングに有用な多頭または二頭組成物の調製方法 |
| US11193008B2 (en) | 2017-04-10 | 2021-12-07 | Exxonmobil Chemical Patents Inc. | Methods for making polyolefin polymer compositions |
| ES2939177T3 (es) | 2017-05-10 | 2023-04-19 | Univation Tech Llc | Sistemas catalizadores y procesos para usar los mismos |
| WO2018210780A1 (en) * | 2017-05-17 | 2018-11-22 | Basell Polyolefine Gmbh | Fluidized-bed reactor having multiple recycle gas inlet nozzles |
| EP3418309A1 (en) * | 2017-06-20 | 2018-12-26 | Borealis AG | A method, an arrangement and use of an arrangement of preparing polymer |
| JP6437153B1 (ja) | 2018-06-26 | 2018-12-12 | 住友化学株式会社 | スラリーの移送方法、ポリオレフィンの製造方法、およびその利用 |
| EP3738984B1 (en) | 2019-03-29 | 2021-11-24 | Sumitomo Chemical Company, Limited | Method for producing heterophasic propylene polymer particles |
| EP3835327B1 (en) * | 2019-12-09 | 2024-07-31 | Borealis AG | System for producing polyolefin and process for recovering polymerization product from gas phase reactor |
| JP7453801B2 (ja) | 2020-02-14 | 2024-03-21 | 住友化学株式会社 | プロピレン重合体の製造方法 |
| WO2022010622A1 (en) | 2020-07-07 | 2022-01-13 | Exxonmobil Chemical Patents Inc. | Processes for making 3-d objects from blends of polyethylene and polar polymers |
| US20240326003A1 (en) * | 2023-04-03 | 2024-10-03 | Chevron Phillips Chemical Company Lp | Systems for Polymer Fines Recovery |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2446247A (en) * | 1946-11-22 | 1948-08-03 | Standard Oil Co | Exothermic catalytic reactions |
| US2463912A (en) * | 1946-12-12 | 1949-03-08 | Standard Oil Dev Co | Synthesis of hydrocarbons |
| US2586818A (en) * | 1947-08-21 | 1952-02-26 | Harms Viggo | Progressive classifying or treating solids in a fluidized bed thereof |
| US2654699A (en) * | 1948-07-22 | 1953-10-06 | Consolidation Coal Co | Method of discharging solids and gases from a fluidized bed |
| US3607062A (en) * | 1969-06-18 | 1971-09-21 | Marathon Oil Co | Process and apparatus for the fluidized calcining of coke |
| US4003712A (en) * | 1970-07-29 | 1977-01-18 | Union Carbide Corporation | Fluidized bed reactor |
| CA1196482A (en) * | 1981-07-28 | 1985-11-12 | Robert G. Aronson | Fluidized bed discharge process |
| US4427573A (en) * | 1981-09-16 | 1984-01-24 | Union Carbide Corporation | Polymerization catalyst, process for preparing, and use for ethylene polymerization |
| US4430300A (en) * | 1981-09-17 | 1984-02-07 | Uop Inc. | Fluid catalyst regeneration apparatus |
| FR2570381B1 (fr) * | 1984-09-17 | 1987-05-15 | Bp Chimie Sa | Procede de polymerisation d'ethylene ou de copolymerisation d'ethylene et d'alpha-olefine en lit fluidise en presence de catalyseur a base d'oxyde de chrome |
| US4640963A (en) * | 1985-02-15 | 1987-02-03 | Standard Oil Company (Indiana) | Method and apparatus for recycle of entrained solids in off-gas from a gas-phase polyolefin reactor |
| FR2599991B1 (fr) * | 1986-06-16 | 1993-04-02 | Bp Chimie Sa | Evacuation de produits presents dans un reacteur de polymerisation d'alpha-olefines en lit fluidise |
| US5171541A (en) * | 1986-06-16 | 1992-12-15 | Bp Chemicals Limited | Fluidized bed discharge process |
| JPS63150305A (ja) * | 1986-12-12 | 1988-06-23 | Chisso Corp | オレフインの気相重合方法及び装置 |
| FR2618786B1 (fr) * | 1987-07-31 | 1989-12-01 | Bp Chimie Sa | Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise |
| US5019353A (en) * | 1988-01-19 | 1991-05-28 | Mobil Oil Corporation | Reactor system for conversion of alkanes to alkenes in an external FCC catalyst cooler |
-
1989
- 1989-01-31 FR FR8901378A patent/FR2642429B1/fr not_active Expired - Fee Related
-
1990
- 1990-01-24 AT AT90300734T patent/ATE94172T1/de not_active IP Right Cessation
- 1990-01-24 EP EP90300734A patent/EP0381364B1/en not_active Expired - Lifetime
- 1990-01-24 DE DE90300734T patent/DE69003120T2/de not_active Expired - Fee Related
- 1990-01-24 ES ES90300734T patent/ES2058778T3/es not_active Expired - Lifetime
- 1990-01-26 CA CA002008653A patent/CA2008653A1/en not_active Abandoned
- 1990-01-29 AU AU48859/90A patent/AU621188B2/en not_active Ceased
- 1990-01-30 HU HU90589A patent/HUT55258A/hu unknown
- 1990-01-30 RU SU904743068A patent/RU1838327C/ru active
- 1990-01-30 NO NO900422A patent/NO173875C/no unknown
- 1990-01-30 DD DD90337387A patent/DD291769A5/de unknown
- 1990-01-31 JP JP2019368A patent/JPH02233708A/ja active Pending
- 1990-01-31 FI FI900486A patent/FI900486A7/fi not_active Application Discontinuation
- 1990-01-31 NZ NZ232318A patent/NZ232318A/xx unknown
-
1992
- 1992-02-07 US US07/832,688 patent/US5382638A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO173875C (no) | 1994-02-16 |
| NZ232318A (en) | 1991-09-25 |
| EP0381364B1 (en) | 1993-09-08 |
| HU900589D0 (en) | 1990-05-28 |
| AU4885990A (en) | 1990-08-09 |
| FR2642429A1 (fr) | 1990-08-03 |
| DD291769A5 (de) | 1991-07-11 |
| DE69003120T2 (de) | 1994-01-05 |
| AU621188B2 (en) | 1992-03-05 |
| HUT55258A (en) | 1991-05-28 |
| DE69003120D1 (de) | 1993-10-14 |
| FI900486A0 (fi) | 1990-01-31 |
| FI900486A7 (fi) | 1990-08-01 |
| EP0381364A1 (en) | 1990-08-08 |
| US5382638A (en) | 1995-01-17 |
| NO900422L (no) | 1990-08-01 |
| ATE94172T1 (de) | 1993-09-15 |
| CA2008653A1 (en) | 1990-07-31 |
| NO900422D0 (no) | 1990-01-30 |
| JPH02233708A (ja) | 1990-09-17 |
| FR2642429B1 (fr) | 1991-04-19 |
| RU1838327C (ru) | 1993-08-30 |
| NO173875B (no) | 1993-11-08 |
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