NL185225C - Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas. - Google Patents

Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas.

Info

Publication number
NL185225C
NL185225C NLAANVRAGE8800072,A NL8800072A NL185225C NL 185225 C NL185225 C NL 185225C NL 8800072 A NL8800072 A NL 8800072A NL 185225 C NL185225 C NL 185225C
Authority
NL
Netherlands
Prior art keywords
stage
gas stream
converting
containing gas
present
Prior art date
Application number
NLAANVRAGE8800072,A
Other languages
English (en)
Other versions
NL185225B (nl
NL8800072A (nl
Original Assignee
Comprimo Bv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19851587&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL185225(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Comprimo Bv filed Critical Comprimo Bv
Priority to NLAANVRAGE8800072,A priority Critical patent/NL185225C/nl
Priority to ZA89167A priority patent/ZA89167B/xx
Priority to AU28351/89A priority patent/AU2835189A/en
Priority to US07/295,749 priority patent/US4981661A/en
Priority to AT89200064T priority patent/ATE82767T1/de
Priority to NO890139A priority patent/NO172566C/no
Priority to DK012589A priority patent/DK12589A/da
Priority to ES89200064T priority patent/ES2053943T5/es
Priority to DE68903569T priority patent/DE68903569T2/de
Priority to EP89200064A priority patent/EP0324526B2/en
Priority to KR1019890000321A priority patent/KR890011623A/ko
Priority to JP1007560A priority patent/JP2617216B2/ja
Publication of NL8800072A publication Critical patent/NL8800072A/nl
Publication of NL185225B publication Critical patent/NL185225B/nl
Publication of NL185225C publication Critical patent/NL185225C/nl
Application granted granted Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/34—Purifying combustible gases containing carbon monoxide by catalytic conversion of impurities to more readily removable materials
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/16—Hydrogen sulfides
    • C01B17/164—Preparation by reduction of oxidic sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/16—Hydrogen sulfides
    • C01B17/165—Preparation from sulfides, oxysulfides or polysulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/48—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K3/00—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
    • C10K3/02—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment
    • C10K3/04—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment reducing the carbon monoxide content, e.g. water-gas shift [WGS]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0283—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0283—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step
    • C01B2203/0288—Processes for making hydrogen or synthesis gas containing a CO-shift step, i.e. a water gas shift step containing two CO-shift steps
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0435—Catalytic purification
    • C01B2203/045—Purification by catalytic desulfurisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0485—Composition of the impurity the impurity being a sulfur compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0495—Composition of the impurity the impurity being water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0872—Methods of cooling
    • C01B2203/0877—Methods of cooling by direct injection of fluid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0872—Methods of cooling
    • C01B2203/0883—Methods of cooling by indirect heat exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
    • C01B2203/1047—Group VIII metal catalysts
    • C01B2203/1052—Nickel or cobalt catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/16—Controlling the process
    • C01B2203/1614—Controlling the temperature
    • C01B2203/1619—Measuring the temperature
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Industrial Gases (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE8800072,A 1988-01-13 1988-01-13 Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas. NL185225C (nl)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NLAANVRAGE8800072,A NL185225C (nl) 1988-01-13 1988-01-13 Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas.
ZA89167A ZA89167B (en) 1988-01-13 1989-01-09 Process for converting and removing sulfur compounds from a co containing gas
AU28351/89A AU2835189A (en) 1988-01-13 1989-01-10 Process for converting and removing sulfur compounds from a co containing gas
US07/295,749 US4981661A (en) 1988-01-13 1989-01-10 Process for converting and removing sulfur compounds from a CO containing gas
DK012589A DK12589A (da) 1988-01-13 1989-01-12 Fremgangsmaade til konvertering og fjernelse af svovlforbindelser fra en co-holdig gas
NO890139A NO172566C (no) 1988-01-13 1989-01-12 Fremgangsmaate for omdannelse og fjerning av svovelforbindelser fra en co-holdig gass
AT89200064T ATE82767T1 (de) 1988-01-13 1989-01-12 Verfahren zur konvertierung und beseitigung von schwefelverbindungen aus einem co-enthaltenden gas.
ES89200064T ES2053943T5 (es) 1988-01-13 1989-01-12 Procedimiento para la conversion y la eliminacion de compuestos azufrados de un gas que contiene co.
DE68903569T DE68903569T2 (de) 1988-01-13 1989-01-12 Verfahren zur Konvertierung und Beseitigung von Schwefelverbindungen aus einem CO-enthaltenden Gas.
EP89200064A EP0324526B2 (en) 1988-01-13 1989-01-12 Process for converting and removing sulfur compounds from a CO containing gas
KR1019890000321A KR890011623A (ko) 1988-01-13 1989-01-13 황화합물의 전환 및 제거방법
JP1007560A JP2617216B2 (ja) 1988-01-13 1989-01-13 一酸化炭素含有ガスから硫黄化合物を変換し除去するための方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8800072 1988-01-13
NLAANVRAGE8800072,A NL185225C (nl) 1988-01-13 1988-01-13 Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas.

Publications (3)

Publication Number Publication Date
NL8800072A NL8800072A (nl) 1989-08-01
NL185225B NL185225B (nl) 1989-09-18
NL185225C true NL185225C (nl) 1992-03-16

Family

ID=19851587

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8800072,A NL185225C (nl) 1988-01-13 1988-01-13 Werkwijze voor het omzetten en verwijderen van zwavelverbindingen uit een co-bevattend gas.

Country Status (12)

Country Link
US (1) US4981661A (nl)
EP (1) EP0324526B2 (nl)
JP (1) JP2617216B2 (nl)
KR (1) KR890011623A (nl)
AT (1) ATE82767T1 (nl)
AU (1) AU2835189A (nl)
DE (1) DE68903569T2 (nl)
DK (1) DK12589A (nl)
ES (1) ES2053943T5 (nl)
NL (1) NL185225C (nl)
NO (1) NO172566C (nl)
ZA (1) ZA89167B (nl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8901577D0 (en) * 1989-01-25 1989-03-15 Shell Int Research Removing hydrogen cyanide and carbon oxysulphide from a gas mixture
US5089246A (en) * 1990-01-29 1992-02-18 Atochem North America, Inc. Process for converting carbon disulfide to hydrogen sulfide in hydrogen sulfide/carbon disulfide mixtures
EP0550242B1 (en) * 1991-12-30 1996-11-20 Texaco Development Corporation Processing of synthesis gas
US5298228A (en) * 1992-09-08 1994-03-29 Atlantic Richfield Company Method and apparatus for treating hydrocarbon gas streams contaminated with carbonyl sulfide
DE4319234A1 (de) * 1993-06-09 1994-12-15 Linde Ag Verfahren zur Entfernung von HCN aus Gasgemischen und Katalysator zur Zersetzung von HCN
JP2881114B2 (ja) * 1993-07-14 1999-04-12 キャボット コーポレイション 触媒を用いるガスの処理方法
US5512260A (en) * 1994-03-04 1996-04-30 Mobil Oil Corporation Reduction of sulfur content in a gaseous stream
US6107353A (en) * 1995-08-08 2000-08-22 Exxon Research And Engineering Company Cyanide and ammonia removal from synthesis gas
US6079594A (en) * 1997-08-21 2000-06-27 Seaquist Closures Foreign, Inc. Dispensing package with a self-sealing closure constructed from a thermoplastic material
US6099815A (en) * 1999-03-23 2000-08-08 The Sulfatreat Company Method for removing carbonyl sulfide from fluids using carbon monoxide
FR2830466B1 (fr) * 2001-10-09 2004-02-06 Axens Utilisation d'une composition a base de ti02 comme catalyseur pour realiser l'hydrolyse des cos et/ou d'hcn dans un melange gazeux
JP4467872B2 (ja) * 2002-08-09 2010-05-26 三菱重工業株式会社 ガス化ガス用のｃｏｓ処理装置とｃｏｓ処理方法
DE10301434A1 (de) * 2003-01-16 2004-07-29 Bayer Ag Verfahren zur CO-Gas-Entschwefelung
ES2308194T3 (es) * 2003-05-29 2008-12-01 Shell Internationale Research Maatschappij B.V. Un proceso para la retirada de so2 hcn y h2s y opcionalmente cos, cs2 y nh3 de una corriente de gas.
CN101224871B (zh) * 2008-02-03 2011-02-16 湖北省化学研究院 合成气的深度净化方法
CN101723365B (zh) * 2008-10-27 2012-04-25 上海寰球石油化学工程有限公司 一种高纯co精制工艺
US7935324B2 (en) * 2008-12-04 2011-05-03 Uop Llc Integrated warm gas desulfurization and gas shift for cleanup of gaseous streams
UA103079C2 (uk) 2009-03-19 2013-09-10 Шелл Інтернаціонале Рісерч Маатшаппідж Б.В. Процес одержання багатої воднем газової суміші
JP4395542B1 (ja) * 2009-04-30 2010-01-13 三菱重工業株式会社 ガス化ガスからの高純度ｃｏ２回収方法およびシステム
EP2449061A2 (en) * 2009-06-30 2012-05-09 Shell Internationale Research Maatschappij B.V. Process to prepare a hydrogen rich gas mixture
NO333684B1 (no) 2011-03-07 2013-08-12 Aker Subsea As Undervanns trykkøkningsmaskin
WO2014103076A1 (ja) * 2012-12-28 2014-07-03 三菱重工業株式会社 Ｃｏシフト触媒、ｃｏシフト反応装置及びガス化ガスの精製方法
US9677018B2 (en) * 2013-01-09 2017-06-13 Thyssenkrupp Industrial Solutions Ag Process for the production of synthesis gas from hard coal
WO2017023856A1 (en) * 2015-08-06 2017-02-09 Fluor Technologies Corporation Systems and methods for improved sulfur recovery from claus process tail gas
DE102016116306A1 (de) 2016-09-01 2018-03-01 Thyssenkrupp Ag Verfahren und Vorrichtung zum Entfernen von organischen Schwefelverbindungen aus wasserstoffreichen Gasen
KR102517618B1 (ko) * 2016-09-23 2023-04-10 고등기술연구원연구조합 황화 카르보닐 가수분해 반응 시스템
JP7016734B2 (ja) 2018-03-14 2022-02-07 三菱重工エンジニアリング株式会社 ガス精製装置
CN114196449A (zh) * 2021-12-08 2022-03-18 浙江三龙催化剂有限公司 高炉煤气的前脱硫工艺及其应用
WO2024006645A1 (en) * 2022-06-28 2024-01-04 Cabot Corporation Processes to clean tail gas from carbon black production and system and facility for same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1149486B (de) * 1958-08-18 1963-05-30 Carves Simon Ltd Verfahren zur katalytischen Behandlung von Kohlenmonoxyd und organische Schwefelverbindungen enthaltenden Brenngasen
US4202167A (en) * 1979-03-08 1980-05-13 Texaco Inc. Process for producing power
US4233141A (en) * 1979-04-27 1980-11-11 The Ralph M. Parsons Company Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gases
US4371507A (en) * 1980-09-23 1983-02-01 Phillips Petroleum Company Catalytic hydrogenation of olefins, hydrodesulfurization of organic sulfur compounds and/or selective removal of hydrogen sulfide from fluid streams
FR2574309B1 (fr) * 1984-12-12 1989-10-06 Elf Aquitaine Procede d'elimination des composes cos et cs2 contenus dans un gaz industriel

Also Published As

Publication number Publication date
DK12589D0 (da) 1989-01-12
NO172566B (no) 1993-05-03
EP0324526A1 (en) 1989-07-19
ATE82767T1 (de) 1992-12-15
ES2053943T5 (es) 1996-07-16
NO890139D0 (no) 1989-01-12
EP0324526B2 (en) 1996-03-13
NO172566C (no) 1993-08-11
ZA89167B (en) 1989-10-25
JP2617216B2 (ja) 1997-06-04
DE68903569T2 (de) 1996-06-27
NL185225B (nl) 1989-09-18
ES2053943T3 (es) 1994-08-01
DK12589A (da) 1989-07-14
EP0324526B1 (en) 1992-11-25
AU2835189A (en) 1989-07-13
KR890011623A (ko) 1989-08-21
NL8800072A (nl) 1989-08-01
DE68903569D1 (de) 1993-01-07
JPH01223197A (ja) 1989-09-06
NO890139L (no) 1989-07-14
US4981661A (en) 1991-01-01

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