FR2483400B1 - - Google Patents

Info

Publication number: FR2483400B1
Authority: FR; France
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

Application number

FR8110709A

Other languages

French (fr)

Other versions

FR2483400A1 (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Shell Internationale Research Maatschappij BV

Original Assignee

Shell Internationale Research Maatschappij 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.)

1980-06-03

Filing date

1981-05-29

Publication date

1985-05-03

1981-05-29 Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV

1981-12-04 Publication of FR2483400A1 publication Critical patent/FR2483400A1/en

1985-05-03 Application granted granted Critical

1985-05-03 Publication of FR2483400B1 publication Critical patent/FR2483400B1/fr

Status Granted legal-status Critical Current

Links

Classifications

- 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
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
- C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
- C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
- C10G2/332—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the iron-group
- 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
- B01J23/74—Iron group metals
- B01J23/745—Iron
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/043—Catalysts; their physical properties characterised by the composition
- C07C1/0435—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/043—Catalysts; their physical properties characterised by the composition
- C07C1/0435—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof
- C07C1/044—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof containing iron
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/0445—Preparation; Activation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0485—Set-up of reactors or accessories; Multi-step processes
- 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
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
- C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
- C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
- C10G2/333—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the platinum-group
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- C07C2521/08—Silica
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/10—Magnesium; Oxides or hydroxides thereof
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
- C07C2523/04—Alkali metals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/24—Chromium, molybdenum or tungsten
- C07C2523/26—Chromium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/46—Ruthenium, rhodium, osmium or iridium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/72—Copper
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/745—Iron
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/75—Cobalt
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
- C07C2523/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36 with alkali- or alkaline earth metals or beryllium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
- C07C2523/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/85—Chromium, molybdenum or tungsten
- C07C2523/86—Chromium

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
General Chemical & Material Sciences (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

FR8110709A 1980-06-03 1981-05-29 PROCESS FOR THE PREPARATION OF HYDROCARBONS Granted FR2483400A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8003215A NL8003215A (en)	1980-06-03	1980-06-03	PROCESS FOR PREPARING HYDROCARBONS.

Publications (2)

Publication Number	Publication Date
FR2483400A1 FR2483400A1 (en)	1981-12-04
FR2483400B1 true FR2483400B1 (en)	1985-05-03

Family

ID=19835408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8110709A Granted FR2483400A1 (en)	1980-06-03	1981-05-29	PROCESS FOR THE PREPARATION OF HYDROCARBONS

Country Status (16)

Country	Link
JP (1)	JPS5724314A (en)
AT (1)	AT371793B (en)
AU (1)	AU539212B2 (en)
BE (1)	BE888922A (en)
BR (1)	BR8103445A (en)
CA (1)	CA1152535A (en)
DE (1)	DE3121752A1 (en)
ES (1)	ES8303269A1 (en)
FR (1)	FR2483400A1 (en)
GB (1)	GB2077754B (en)
IN (1)	IN154191B (en)
IT (1)	IT1136783B (en)
NL (1)	NL8003215A (en)
NZ (1)	NZ197260A (en)
SE (1)	SE446971B (en)
ZA (1)	ZA813658B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8006484A (en) *	1980-11-28	1982-06-16	Shell Int Research	PROCESS FOR PREPARING HYDROCARBONS.
NL8006751A (en) *	1980-12-12	1982-07-01	Shell Int Research	PROCESS FOR PREPARING OXYGEN-BASED ORGANIC COMPOUNDS AND PARAFFINIC HYDROCARBONS.
CA1196617A (en) *	1982-07-14	1985-11-12	George E. Morris	Catalyst composition, method for its production and its use in the production of hydrocarbons from synthesis gas
ATE32875T1 (en) *	1982-11-22	1988-03-15	Shell Int Research	PROCESS FOR THE PRODUCTION OF HYDROCARBONS.
CA1240708A (en) *	1983-11-15	1988-08-16	Johannes K. Minderhoud	Process for the preparation of hydrocarbons
CA1234158A (en) *	1983-11-15	1988-03-15	Johannes K. Minderhoud	Process for the preparation of hydrocarbons
GB8330606D0 (en) *	1983-11-16	1983-12-21	Shell Int Research	Preparation of hydrocarbons and fuel gas
NL8400609A (en) *	1984-02-28	1985-09-16	Shell Int Research	PROCESS FOR PREPARING HYDROCARBONS.
US4632941A (en) *	1984-06-27	1986-12-30	Union Carbide Corporation	Enhanced catalyst and process for converting synthesis gas to liquid motor fuels
US4617320A (en) *	1984-06-27	1986-10-14	Union Carbide Corporation	Enhanced conversion of syngas to liquid motor fuels
US4617283A (en) *	1984-06-27	1986-10-14	Union Carbide Corporation	Catalyst for converting synthesis gas to liquid motor fuels
US4663355A (en) *	1984-06-27	1987-05-05	Union Carbide Corporation	Catalyst and process for converting synthesis gas to liquid motor fuels
CA1236454A (en) *	1984-06-27	1988-05-10	John J. Tsai	Monomeric cationic glycoside derivatives
US4556645A (en) *	1984-06-27	1985-12-03	Union Carbide Corporation	Enhanced catalyst for conversion of syngas to liquid motor fuels
US4579830A (en) *	1984-06-27	1986-04-01	Union Carbide Corporation	Enhanced catalyst for converting synthesis gas to liquid motor fuels
GB2243616A (en) *	1990-05-04	1991-11-06	Shell Int Research	Preparation of paraffinic and aromatic hydrocarbons
US6331573B1 (en) *	2000-02-29	2001-12-18	Chevron U.S.A. Inc.	Increased liquid sensitivity during fischer-tropsch synthesis by olefin incorporation
AU2003285086A1 (en) *	2002-12-06	2004-06-30	Dow Global Technologies Inc.	Dehydrogenation catalyst and process for preparing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7704658A (en) *	1977-04-28	1978-10-31	Shell Int Research	PROCESS FOR THE PREPARATION OF HYDROCARBONS.
NL190603C (en) *	1979-07-13	1994-05-16	Shell Int Research	Process for the preparation of iron-chromium catalysts and their use for the preparation of hydrocarbons.
NL184214C (en) *	1979-08-06	1989-05-16	Shell Int Research	PROCESS FOR THE PREPARATION OF A HYDROCARBON MIXTURE FROM A MIXTURE CONTAINING CARBON MONOXIDE AND HYDROGEN WITH ONE HŸ2/CO MOL. CONTAINS LESS THAN 1.0 RATIO.

1980
- 1980-06-03 NL NL8003215A patent/NL8003215A/en not_active Application Discontinuation
1981
- 1981-03-18 CA CA000373306A patent/CA1152535A/en not_active Expired
- 1981-03-26 IN IN331/CAL/81A patent/IN154191B/en unknown
- 1981-05-22 BE BE1/10229A patent/BE888922A/en not_active IP Right Cessation
- 1981-05-29 FR FR8110709A patent/FR2483400A1/en active Granted
- 1981-06-01 SE SE8103437A patent/SE446971B/en not_active IP Right Cessation
- 1981-06-01 AT AT0243881A patent/AT371793B/en not_active IP Right Cessation
- 1981-06-01 DE DE19813121752 patent/DE3121752A1/en active Granted
- 1981-06-01 BR BR8103445A patent/BR8103445A/en unknown
- 1981-06-01 JP JP8258181A patent/JPS5724314A/en active Pending
- 1981-06-01 AU AU71211/81A patent/AU539212B2/en not_active Ceased
- 1981-06-01 ES ES502652A patent/ES8303269A1/en not_active Expired
- 1981-06-01 GB GB8116650A patent/GB2077754B/en not_active Expired
- 1981-06-01 IT IT22074/81A patent/IT1136783B/en active
- 1981-06-02 NZ NZ197260A patent/NZ197260A/en unknown
- 1981-06-02 ZA ZA00813658A patent/ZA813658B/en unknown

Also Published As

Publication number	Publication date
BR8103445A (en)	1982-02-24
SE446971B (en)	1986-10-20
AU539212B2 (en)	1984-09-13
AT371793B (en)	1983-07-25
ZA813658B (en)	1982-06-30
SE8103437L (en)	1981-12-04
GB2077754B (en)	1983-06-02
FR2483400A1 (en)	1981-12-04
ATA243881A (en)	1982-12-15
BE888922A (en)	1981-11-23
DE3121752A1 (en)	1982-01-28
CA1152535A (en)	1983-08-23
JPS5724314A (en)	1982-02-08
IT1136783B (en)	1986-09-03
ES502652A0 (en)	1983-02-01
AU7121181A (en)	1981-12-10
ES8303269A1 (en)	1983-02-01
NL8003215A (en)	1982-01-04
NZ197260A (en)	1983-11-18
GB2077754A (en)	1981-12-23
IN154191B (en)	1984-09-29
DE3121752C2 (en)	1989-06-01
IT8122074A0 (en)	1981-06-01

Legal Events

Date	Code	Title	Description
1991-04-05	ST	Notification of lapse

Publication	Publication Date	Title
DE3126136C2 (en)	1987-01-22
DE3142034C2 (en)	1987-01-15
FR2473046B1 (en)	1985-03-01
DE3106368C2 (en)	1987-04-09
DE3153250A1 (en)	1985-05-15
FR2476382B1 (en)	1984-11-09
IN154191B (en)	1984-09-29
FR2475366B1 (en)	1984-12-14
DE3123973C2 (en)	1987-01-29
DE3030005C2 (en)	1987-04-02
FR2472954B1 (en)	1985-10-11
DE3050253T1 (en)	1982-04-15
FR2473311B1 (en)	1984-03-30
DE3008552C2 (en)	1987-03-12
FR2473491B3 (en)	1983-10-14
FR2473859B1 (en)	1982-11-26
DE3102832C2 (en)	1992-12-10
FR2473157B3 (en)	1982-10-22
DE3113611C2 (en)	1987-01-29
FR2473449B1 (en)	1983-02-18
DE3030130C2 (en)	1987-02-12
DE3153278A1 (en)	1985-07-11
CH655542B (en)	1986-04-30
FR2476426B1 (en)	1985-03-29
FR2476227B1 (en)	1984-10-05