DE4219690C2 - Verfahren zur Synthese von Kohlenwasserstoffen aus Synthesegas in Gegenwart eines Katalysators auf Basis von Kobalt - Google Patents
Verfahren zur Synthese von Kohlenwasserstoffen aus Synthesegas in Gegenwart eines Katalysators auf Basis von KobaltInfo
- Publication number
- DE4219690C2 DE4219690C2 DE4219690A DE4219690A DE4219690C2 DE 4219690 C2 DE4219690 C2 DE 4219690C2 DE 4219690 A DE4219690 A DE 4219690A DE 4219690 A DE4219690 A DE 4219690A DE 4219690 C2 DE4219690 C2 DE 4219690C2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- weight
- cobalt
- hydrocarbons
- elements
- 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 - Fee Related
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
- 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
- B01J23/84—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8872—Alkali or alkaline 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
- B01J23/70—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
- B01J23/84—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
-
- 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
- B01J23/84—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/882—Molybdenum and cobalt
-
- 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
- B01J23/84—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8871—Rare earth metals or actinides
-
- 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
-
- 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
- C07C1/0445—Preparation; Activation
-
- 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
-
- 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
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- C07C2523/28—Molybdenum
-
- 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
- C07C2523/30—Tungsten
-
- 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
- C07C2523/83—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 rare earths or actinides
-
- 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
-
- 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
- C07C2523/88—Molybdenum
- C07C2523/882—Molybdenum and cobalt
Description
1 bis 60 Gew.-%, vorzugsweise 5 bis 40 Gew.-% Kobalt
0,1 bis 60 Gew.-%, vorzugsweise 1 bis 30 Gew.-% des Elements M
0,01 bis 15 Gew.-%, vorzugsweise 0,05 bis 5 Gew.-% des Elements N
- - Anstieg von Umgebungstemperatur auf 450°C mit einer Geschwindigkeit von 30°C/h
- - Halten für 6 h bei 450°C,
- - Abkühlung auf 20°C.
- - Anstieg von Umgebungstemperatur auf 450°C mit einer Geschwindigkeit von 0,5°C/min,
- - Halten für 6 h bei 450°C,
- - Abkühlung bis auf Umgebungstemperatur mit einer Ge schwindigkeit von 10°C/min.
- - Anstieg von Umgebungstemperatur auf 450°C mit einer Geschwindigkeit von 3°C/min,
- - Halten für 6 h bei 450°C,
- - Abkühlung bis auf Umgebungstemepratur mit einer Ge schwindigkeit von 10°C/min
- - Anstieg von Umgebungstemperatur auf 150°C mit einer Geschwindigkeit von 2°C/min,
- - Halten für 2 h bei 125°C,
- - Anstieg von 125 auf 225°C mit einer Geschwindigkeit von 2°C/min
- - Halten für 2 h bei 225°C,
- - Anstieg von 225 auf 320°C mit einer Geschwindigkeit von 2°C/min,
- - Halten für 2 h bei 320°C,
- - Abkühlung bis auf Umgebungstemperatur.
- - Anstieg von Umgebungstemperatur auf 400°C mit einer Geschwindigkeit von 3°C/min,
- - Halten für 6 h bei 400°C,
- - Abkühlung bis auf Umgebungstemperatur mit einer Ge schwindigkeit von 10°C/min.
- - Temperatur zwischen 200 und 240°C,
- - Druck 2 MPa,
- - stündliche Raumgeschwindigkeit (VVH) zwischen 600 und 2000 h-1,
- - H2 : CO = 2 : 1
Claims (10)
1,0 bis 60% Kobalt,
0,1 bis 60% Element M
0,01 bis 60% Element N
5 bis 40% Kobalt
1 bis 30% Element M
0,05 bis 5% Element N
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919107634A FR2677992B1 (fr) | 1991-06-19 | 1991-06-19 | Procede de synthese d'hydrocarbures a partir de gaz de synthese en presence d'un catalyseur a base de cobalt. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4219690A1 DE4219690A1 (de) | 1992-12-24 |
DE4219690C2 true DE4219690C2 (de) | 2001-01-18 |
Family
ID=9414120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4219690A Expired - Fee Related DE4219690C2 (de) | 1991-06-19 | 1992-06-16 | Verfahren zur Synthese von Kohlenwasserstoffen aus Synthesegas in Gegenwart eines Katalysators auf Basis von Kobalt |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE1006539A4 (de) |
DE (1) | DE4219690C2 (de) |
FR (1) | FR2677992B1 (de) |
GB (1) | GB2258414B (de) |
IT (1) | IT1263193B (de) |
MY (3) | MY113562A (de) |
NL (1) | NL194864C (de) |
ZA (1) | ZA924473B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993015836A1 (en) * | 1992-02-18 | 1993-08-19 | The Broken Hill Proprietary Company Limited | Praseodymium containing cobalt catalysts for the fischer-tropsch process |
DZ2013A1 (fr) * | 1995-04-07 | 2002-10-23 | Sastech Ltd | Catalyseurs. |
FR2739038B1 (fr) * | 1995-09-25 | 1997-11-21 | Inst Francais Du Petrole | Procede de conversion du gaz de synthese en presence d'un catalyseur comprenant du cobalt et des elements additionnels |
FR2741064B1 (fr) | 1995-11-10 | 1997-12-12 | Inst Francais Du Petrole | Procede de conversion de gaz de synthese en hydrocarbures |
US6235677B1 (en) | 1998-08-20 | 2001-05-22 | Conoco Inc. | Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids |
US20030050349A1 (en) * | 2001-08-31 | 2003-03-13 | Conoco Inc. | In-situ desulfurization of a feed stream in a catalytic reactor |
US20160067682A1 (en) * | 2014-09-10 | 2016-03-10 | Chevron U.S.A. Inc. | Stable Support For Fischer-Tropsch Catalyst |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3846341A (en) * | 1970-03-16 | 1974-11-05 | Inst Francais Du Petrole | Process for manufacturing iron molybdate catalysts of high strength and the use of the resulting catalysts in the catalytic oxidation of alcohols to aldehydes |
US4632941A (en) * | 1984-06-27 | 1986-12-30 | Union Carbide Corporation | Enhanced catalyst and process for converting synthesis gas to liquid motor fuels |
EP0187818B1 (de) * | 1984-06-27 | 1988-11-23 | Union Carbide Corporation | Katalysator und verfahren zur umsetzung von synthesegas in flüssige kraftstoffe |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4039302A (en) * | 1976-01-05 | 1977-08-02 | Battelle Development Corporation | Process and catalyst for synthesizing low boiling (C1 to C3) aliphatic hydrocarbons from carbon monoxide and hydrogen |
-
1991
- 1991-06-19 FR FR919107634A patent/FR2677992B1/fr not_active Expired - Lifetime
-
1992
- 1992-06-16 DE DE4219690A patent/DE4219690C2/de not_active Expired - Fee Related
- 1992-06-17 IT ITMI921478A patent/IT1263193B/it active IP Right Grant
- 1992-06-18 GB GB9212921A patent/GB2258414B/en not_active Expired - Fee Related
- 1992-06-18 MY MYPI92001035A patent/MY113562A/en unknown
- 1992-06-18 ZA ZA924473A patent/ZA924473B/xx unknown
- 1992-06-18 MY MYPI98003188A patent/MY122270A/en unknown
- 1992-06-18 MY MYPI98003187A patent/MY122299A/en unknown
- 1992-06-19 BE BE9200575A patent/BE1006539A4/fr not_active IP Right Cessation
- 1992-06-19 NL NL9201084A patent/NL194864C/nl not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3846341A (en) * | 1970-03-16 | 1974-11-05 | Inst Francais Du Petrole | Process for manufacturing iron molybdate catalysts of high strength and the use of the resulting catalysts in the catalytic oxidation of alcohols to aldehydes |
US4632941A (en) * | 1984-06-27 | 1986-12-30 | Union Carbide Corporation | Enhanced catalyst and process for converting synthesis gas to liquid motor fuels |
EP0187818B1 (de) * | 1984-06-27 | 1988-11-23 | Union Carbide Corporation | Katalysator und verfahren zur umsetzung von synthesegas in flüssige kraftstoffe |
Also Published As
Publication number | Publication date |
---|---|
DE4219690A1 (de) | 1992-12-24 |
NL9201084A (nl) | 1993-01-18 |
ZA924473B (en) | 1993-12-20 |
GB2258414A (en) | 1993-02-10 |
ITMI921478A1 (it) | 1993-12-17 |
MY113562A (en) | 2002-04-30 |
ITMI921478A0 (it) | 1992-06-17 |
IT1263193B (it) | 1996-08-02 |
MY122299A (en) | 2006-04-29 |
FR2677992A1 (fr) | 1992-12-24 |
MY122270A (en) | 2006-04-29 |
FR2677992B1 (fr) | 1994-09-09 |
GB2258414B (en) | 1996-02-14 |
GB9212921D0 (en) | 1992-07-29 |
NL194864C (nl) | 2003-05-06 |
BE1006539A4 (fr) | 1994-10-11 |
NL194864B (nl) | 2003-01-06 |
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