MA19216A1 - Catalyseur et procede pour l'hydrotraitement et l'hydrodeparaffinage de hydrocarbures . - Google Patents
Catalyseur et procede pour l'hydrotraitement et l'hydrodeparaffinage de hydrocarbures .Info
- Publication number
- MA19216A1 MA19216A1 MA19416A MA19416A MA19216A1 MA 19216 A1 MA19216 A1 MA 19216A1 MA 19416 A MA19416 A MA 19416A MA 19416 A MA19416 A MA 19416A MA 19216 A1 MA19216 A1 MA 19216A1
- Authority
- MA
- Morocco
- Prior art keywords
- hydrodeparaffinement
- hydrotreatment
- hydrocarbons
- catalyst
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title 1
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
- B01J29/035—Microporous crystalline materials not having base exchange properties, such as silica polymorphs, e.g. silicalites
-
- 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
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
- C10G45/12—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/58—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
- C10G45/60—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
- C10G45/64—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
-
- 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
- C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
- C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
- C10G65/04—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
- C10G65/043—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps at least one step being a change in the structural skeleton
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17286880A | 1980-07-28 | 1980-07-28 | |
| US06/267,247 US4428862A (en) | 1980-07-28 | 1981-05-26 | Catalyst for simultaneous hydrotreating and hydrodewaxing of hydrocarbons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA19216A1 true MA19216A1 (fr) | 1982-04-01 |
Family
ID=26868543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA19416A MA19216A1 (fr) | 1980-07-28 | 1981-07-15 | Catalyseur et procede pour l'hydrotraitement et l'hydrodeparaffinage de hydrocarbures . |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4428862A (fr) |
| EP (1) | EP0044965B1 (fr) |
| AU (1) | AU530604B2 (fr) |
| BR (1) | BR8104831A (fr) |
| CA (1) | CA1168217A (fr) |
| DE (1) | DE3175739D1 (fr) |
| MA (1) | MA19216A1 (fr) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476011A (en) * | 1980-10-24 | 1984-10-09 | Standard Oil Company (Indiana) | Catalyst and process for the hydrogenitrogenation and hydrocracking of high-nitrogen feeds |
| US4829040A (en) * | 1979-10-15 | 1989-05-09 | Union Oil Company Of California | Catalyst containing an intermediate pore molecular sieve for mild hydrocracking |
| US4743355A (en) * | 1979-10-15 | 1988-05-10 | Union Oil Company Of California | Process for producing a high quality lube oil stock |
| US4419271A (en) * | 1979-10-15 | 1983-12-06 | Union Oil Company Of California | Hydrocarbon conversion catalyst |
| US4839025A (en) * | 1979-10-15 | 1989-06-13 | Union Oil Company Of California | Mild hydrocracking with a catalyst containing non-hydrolyzable halogen |
| US4743354A (en) * | 1979-10-15 | 1988-05-10 | Union Oil Company Of California | Process for producing a product hydrocarbon having a reduced content of normal paraffins |
| US4683050A (en) * | 1979-10-15 | 1987-07-28 | Union Oil Company Of California | Mild hydrocracking with a catalyst containing an intermediate pore molecular sieve |
| US4362653A (en) * | 1981-04-27 | 1982-12-07 | Uop Inc. | Hydrocarbon conversion catalyst |
| US4877762A (en) | 1981-05-26 | 1989-10-31 | Union Oil Company Of California | Catalyst for simultaneous hydrotreating and hydrodewaxing of hydrocarbons |
| US4604371A (en) * | 1981-06-19 | 1986-08-05 | Union Oil Company Of California | Oxidation catalyst |
| US4801567A (en) * | 1981-06-19 | 1989-01-31 | Union Oil Company Of California | Oxidation catalyst |
| US4639530A (en) * | 1981-06-19 | 1987-01-27 | Union Oil Company Of California | Process for making maleic anhydride |
| US4562269A (en) * | 1981-12-07 | 1985-12-31 | Union Oil Company Of California | Method of producing maleic anhydride |
| US4513090A (en) * | 1981-07-09 | 1985-04-23 | Exxon Research And Engineering Co. | Crystalline silica zeolite-containing catalyst |
| US4599477A (en) * | 1981-08-03 | 1986-07-08 | Union Oil Company Of California | Oxidative-dehydrogenation process |
| US4564603A (en) * | 1981-12-07 | 1986-01-14 | Union Oil Company Of California | Oxidative-dehydrogenation catalyst and process |
| US4567314A (en) * | 1981-12-07 | 1986-01-28 | Union Oil Company Of California | Process for producing diolefins |
| US4618738A (en) * | 1982-03-09 | 1986-10-21 | Union Oil Company Of California | Hydrocarbon conversion process with catalytically active amorphous silica |
| US4548705A (en) * | 1982-03-09 | 1985-10-22 | Union Oil Company Of California | Hydrocracking with catalytically active amorphous silica and zeolites |
| US4784747A (en) * | 1982-03-22 | 1988-11-15 | Mobil Oil Corporation | Catalysts over steam activated zeolite catalyst |
| US4510043A (en) * | 1984-02-16 | 1985-04-09 | Mobil Oil Corporation | Process for dewaxing of petroleum oils prior to demetalation and desulfurization |
| US4556477A (en) * | 1984-03-07 | 1985-12-03 | Mobil Oil Corporation | Highly siliceous porous crystalline material ZSM-22 and its use in catalytic dewaxing of petroleum stocks |
| US4592828A (en) * | 1984-05-07 | 1986-06-03 | Mobil Oil Corporation | Process for upgrading petroleum residua |
| US4758327A (en) * | 1984-06-21 | 1988-07-19 | Union Oil Company Of California | Shock calcined crystalline silica catalysts |
| US4582694A (en) * | 1984-06-21 | 1986-04-15 | Union Oil Company Of California | Shock calcined crystalline silica catalysts |
| US4623636A (en) | 1984-06-21 | 1986-11-18 | Union Oil Company Of California | Shock calcined crystalline silica catalysts |
| US4818739A (en) * | 1984-12-18 | 1989-04-04 | Uop | Hydrocracking catalysts and processes employing non-zeolitic molecular sieves |
| US4648957A (en) * | 1984-12-24 | 1987-03-10 | Mobil Oil Corporation | Lube hydrodewaxing method and apparatus with light product removal and enhanced lube yields |
| US4642176A (en) * | 1985-01-09 | 1987-02-10 | Mobil Oil Corporation | Catalytic dewaxing process |
| US4705771A (en) * | 1985-04-16 | 1987-11-10 | W. R. Grace & Co. | Process and catalyst for the production of formaldehyde from methane |
| US5084159A (en) * | 1985-06-18 | 1992-01-28 | Union Oil Company Of California | Process and catalyst for the dewaxing of shale oil |
| US4867861A (en) * | 1985-06-18 | 1989-09-19 | Union Oil Company Of California | Process and catalyst for the dewaxing of shale oil |
| US4744884A (en) * | 1985-09-25 | 1988-05-17 | Union Oil Company Of California | Process for producing lubrication oil of high viscosity index |
| US4699707A (en) * | 1985-09-25 | 1987-10-13 | Union Oil Company Of California | Process for producing lubrication oil of high viscosity index from shale oils |
| LU86269A1 (fr) * | 1986-01-28 | 1987-09-03 | Labofina Sa | Procede pour enlever les cires des gasoils |
| LU86288A1 (fr) * | 1986-02-03 | 1987-09-10 | Labofina Sa | Procede de traitement des gasoils |
| US4695365A (en) * | 1986-07-31 | 1987-09-22 | Union Oil Company Of California | Hydrocarbon refining process |
| US4773988A (en) * | 1986-09-23 | 1988-09-27 | Union Oil Company Of California | Arsenic removal from shale oil by addition of basic materials |
| US4752380A (en) * | 1986-09-23 | 1988-06-21 | Union Oil Company Of California | Arsenic removal from shale oil by chloride addition |
| US4752379A (en) * | 1986-09-23 | 1988-06-21 | Union Oil Company Of California | Arsenic removal from shale oil by oxidation |
| US5332490A (en) * | 1992-09-28 | 1994-07-26 | Texaco Inc. | Catalytic process for dewaxing hydrocarbon feedstocks |
| JP3833250B2 (ja) * | 1994-11-22 | 2006-10-11 | エクソンモービル リサーチ アンド エンジニアリング カンパニー | 一体型混合粉末ペレット触媒およびそれを用いた蝋質供給原料の改質方法 |
| US5977425A (en) * | 1994-11-22 | 1999-11-02 | Exxon Research And Engineering Co | Method for upgrading waxy feeds using a catalyst comprising mixed powdered dewaxing catalyst and powdered isomerization catalyst formed into a discrete particle |
| US5965475A (en) * | 1997-05-02 | 1999-10-12 | Exxon Research And Engineering Co. | Processes an catalyst for upgrading waxy, paraffinic feeds |
| EP1054938A4 (fr) * | 1998-02-13 | 2004-12-01 | Exxonmobil Res & Eng Co | Procede d'amelioration des performances d'une matiere de base, a basse temperature, a l'aide d'un systeme catalyseur combine |
| US8062503B2 (en) * | 2001-09-18 | 2011-11-22 | Ivanhoe Energy Inc. | Products produced from rapid thermal processing of heavy hydrocarbon feedstocks |
| ATE532842T1 (de) * | 2000-09-18 | 2011-11-15 | Ensyn Petroleum Internat Ltd | Durch schnelle thermische behandlung von schweren kohlenwassterstoffeinsätzen hergestelltes produkt |
| US6706445B2 (en) | 2001-10-02 | 2004-03-16 | Valence Technology, Inc. | Synthesis of lithiated transition metal titanates for lithium cells |
| WO2014082985A1 (fr) * | 2012-11-28 | 2014-06-05 | Shell Internationale Research Maatschappij B.V. | Procédé d'hydrotraitement et de déparaffinage |
| US9707532B1 (en) | 2013-03-04 | 2017-07-18 | Ivanhoe Htl Petroleum Ltd. | HTL reactor geometry |
Family Cites Families (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054510A (en) | 1958-06-13 | 1977-10-18 | Exxon Research And Engineering Company | Selective conversion of normal paraffins |
| US3140322A (en) | 1958-08-14 | 1964-07-07 | Socony Mobil Oil Co Inc | Selective catalytic conversion |
| NL242628A (fr) * | 1958-08-27 | |||
| GB1088933A (en) | 1964-03-10 | 1967-10-25 | British Petroleum Co | Improvements relating to the catalytic conversion of hydrocarbons |
| US3487005A (en) | 1968-02-12 | 1969-12-30 | Chevron Res | Production of low pour point lubricating oils by catalytic dewaxing |
| US3506568A (en) | 1969-01-10 | 1970-04-14 | Chevron Res | Process of hydrofining high nitrogen hydrocarbons followed by catalytic cracking with zeolitic aluminosilicates |
| US3702886A (en) | 1969-10-10 | 1972-11-14 | Mobil Oil Corp | Crystalline zeolite zsm-5 and method of preparing the same |
| US3700585A (en) | 1969-10-10 | 1972-10-24 | Mobil Oil Corp | Dewaxing of oils by shape selective cracking and hydrocracking over zeolites zsm-5 and zsm-8 |
| US3755138A (en) | 1969-10-10 | 1973-08-28 | Mobil Oil Corp | Lube oils by solvent dewaxing and hydrodewaxing with a zsm-5 catalyst |
| USRE28398E (en) | 1969-10-10 | 1975-04-22 | Marshall dann | |
| US3852189A (en) | 1970-12-02 | 1974-12-03 | Mobil Oil Corp | Shape-selective conversion in the liquid phase |
| US3755145A (en) | 1971-03-17 | 1973-08-28 | Mobil Oil Corp | Lube oil hydrocracking with zsm-5 zeolite |
| US3835027A (en) | 1972-04-17 | 1974-09-10 | Union Oil Co | Hydrogenative conversion processes and catalyst for use therein |
| US3884835A (en) | 1973-02-09 | 1975-05-20 | Grace W R & Co | Crystalline silica compositions |
| US3926782A (en) | 1973-02-09 | 1975-12-16 | Mobil Oil Corp | Hydrocarbon conversion |
| US3894938A (en) | 1973-06-15 | 1975-07-15 | Mobil Oil Corp | Catalytic dewaxing of gas oils |
| US3968024A (en) | 1973-07-06 | 1976-07-06 | Mobil Oil Corporation | Catalytic hydrodewaxing |
| US3894939A (en) | 1973-08-24 | 1975-07-15 | Mobil Oil Corp | Production of low pour point gas oil and high octane number gasoline |
| US3941871A (en) | 1973-11-02 | 1976-03-02 | Mobil Oil Corporation | Crystalline silicates and method of preparing the same |
| US3962135A (en) * | 1973-12-26 | 1976-06-08 | Filtrol Corporation | Shaped catalyst support |
| US3891540A (en) | 1974-04-02 | 1975-06-24 | Mobil Oil Corp | Combination operation to maximize fuel oil product of low pour |
| US3956102A (en) | 1974-06-05 | 1976-05-11 | Mobil Oil Corporation | Hydrodewaxing |
| US4067797A (en) | 1974-06-05 | 1978-01-10 | Mobil Oil Corporation | Hydrodewaxing |
| US3980550A (en) | 1975-01-09 | 1976-09-14 | Mobil Oil Corporation | Catalytic hydrodewaxing |
| US4061724A (en) | 1975-09-22 | 1977-12-06 | Union Carbide Corporation | Crystalline silica |
| CA1108084A (fr) | 1976-12-20 | 1981-09-01 | Philip D. Caesar | Traitement du gas-oil |
| US4153540A (en) | 1977-05-04 | 1979-05-08 | Mobil Oil Corporation | Upgrading shale oil |
| US4137148A (en) | 1977-07-20 | 1979-01-30 | Mobil Oil Corporation | Manufacture of specialty oils |
| US4104294A (en) | 1977-11-10 | 1978-08-01 | Union Carbide Corporation | Crystalline silicates and method for preparing same |
| GB2027742B (en) * | 1978-08-09 | 1982-11-03 | Mobil Oil Corp | Catalysts for hydrodewaxing oils |
| US4330396A (en) | 1978-10-18 | 1982-05-18 | Chevron Research Company | Cyclic process for upgrading a hydrocarbon or hydrocarbon-forming feed using a ZSM-5 zeolite |
| US4344927A (en) | 1979-02-16 | 1982-08-17 | Young Dean A | Method of preparing crystalline silica polymorph |
| US4325929A (en) | 1979-02-16 | 1982-04-20 | Union Oil Company Of California | Method of preparing crystalline silica polymorph |
| US4270017A (en) | 1979-02-16 | 1981-05-26 | Union Oil Company Of California | Process for selectively producing para-xylene |
| US4283306A (en) | 1979-04-20 | 1981-08-11 | E. I. Du Pont De Nemours And Company | Crystalline silica and use in alkylation of aromatics |
| US4284529A (en) * | 1979-12-14 | 1981-08-18 | Mobil Oil Corporation | Hydrocarbon conversion catalyst |
| NL8001342A (nl) * | 1980-03-06 | 1980-07-31 | Shell Int Research | Werkwijze voor het uitvoeren van katalytische omzettingen. |
| US4305808A (en) | 1980-04-14 | 1981-12-15 | Mobil Oil Corporation | Catalytic hydrocracking |
| US4309275A (en) | 1980-04-28 | 1982-01-05 | Chevron Research Company | Hydrocarbon conversion with crystalline silicates to produce olefins |
| US4356079A (en) | 1980-06-04 | 1982-10-26 | Mobil Oil Corporation | Denitrification of hydrocarbon feedstock |
| US4354924A (en) | 1980-06-25 | 1982-10-19 | Chevron Research Company | Dual component chromia silicate cracking catalyst |
| US4340503A (en) | 1980-08-15 | 1982-07-20 | The United States Of America As Represented By The United States Department Of Energy | Catalyst for converting synthesis gas to light olefins |
| US4342641A (en) | 1980-11-18 | 1982-08-03 | Sun Tech, Inc. | Maximizing jet fuel from shale oil |
| US4344840A (en) | 1981-02-09 | 1982-08-17 | Hydrocarbon Research, Inc. | Hydrocracking and hydrotreating shale oil in multiple catalytic reactors |
-
1981
- 1981-05-26 US US06/267,247 patent/US4428862A/en not_active Expired - Lifetime
- 1981-07-03 EP EP81105176A patent/EP0044965B1/fr not_active Expired
- 1981-07-03 DE DE8181105176T patent/DE3175739D1/de not_active Expired
- 1981-07-15 MA MA19416A patent/MA19216A1/fr unknown
- 1981-07-24 CA CA000382552A patent/CA1168217A/fr not_active Expired
- 1981-07-27 BR BR8104831A patent/BR8104831A/pt unknown
- 1981-07-28 AU AU73506/81A patent/AU530604B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0044965A1 (fr) | 1982-02-03 |
| DE3175739D1 (en) | 1987-02-05 |
| BR8104831A (pt) | 1982-04-13 |
| CA1168217A (fr) | 1984-05-29 |
| AU7350681A (en) | 1983-01-13 |
| EP0044965B1 (fr) | 1986-12-30 |
| US4428862A (en) | 1984-01-31 |
| AU530604B2 (en) | 1983-07-21 |
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