ES2106833T3 - Proceso de mejora de hidrocarburos. - Google Patents
Proceso de mejora de hidrocarburos.Info
- Publication number
- ES2106833T3 ES2106833T3 ES92310061T ES92310061T ES2106833T3 ES 2106833 T3 ES2106833 T3 ES 2106833T3 ES 92310061 T ES92310061 T ES 92310061T ES 92310061 T ES92310061 T ES 92310061T ES 2106833 T3 ES2106833 T3 ES 2106833T3
- Authority
- ES
- Spain
- Prior art keywords
- supply
- southeast
- fastening
- fraction
- fracture
- 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
- 238000000034 method Methods 0.000 title abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 title 1
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
- 238000009835 boiling Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 101100112997 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MCM22 gene Proteins 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
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
- 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
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7676—MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J29/7876—MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/26—After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/48—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
- B01J29/69—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J29/7884—TON-type, e.g. Theta-1, ISI-1, KZ-2, NU-10 or ZSM-22
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J29/7892—MTT-type, e.g. ZSM-23, KZ-1, ISI-4 or EU-13
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Abstract
SE PRESENTA UN PROCESO PARA REFINAR UNA FRACCION DE SUMINISTRO CON CONTENIDO DE AZUFRE QUE HIERVE EN LA BANDA DE EBULLICION DE LA GASOLINA. LA CORRIENTE DE SUMINISTRO SE PONE EN CONTACTO CON UN CATALIZADOR DE HIDROTRATAMIENTO, QUE COMPRENDE A) UN ZEOLITO QUE TIENE UN INDICE DE COMPRESION DE 1 A 12, PREFERIBLEMENTE MCM22, B) UN METAL DEL GRUPO VI, C) UN METAL DEL GRUPO VIII, Y D) UN SOPORTE REFRACTARIO, BAJO CONDICIONES DE HIDROTRATAMIENTO SUFICIENTES PARA PRODUCIR UN PRODUCTO QUE COMPRENDA UNA FRACCION NORMALMENTE LIQUIDA QUE HIERVE SUBSTANCIALMENTE EN LA MISMA BANDA DE EBULLICION QUE LA FRACCION DE SUMINISTRO, PERO QUE TIENE UN MENOR CONTENIDO DE AZUFRE Y UN OCTANAJE SUBSTANCIALMENTE NO INFERIOR A LA FRACCION DE SUMINISTRO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79427391A | 1991-11-19 | 1991-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2106833T3 true ES2106833T3 (es) | 1997-11-16 |
Family
ID=25162184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES92310061T Expired - Lifetime ES2106833T3 (es) | 1991-11-19 | 1992-11-03 | Proceso de mejora de hidrocarburos. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5378352A (es) |
| EP (1) | EP0543529B1 (es) |
| JP (1) | JP3270545B2 (es) |
| AU (1) | AU658937B2 (es) |
| CA (1) | CA2081758C (es) |
| DE (1) | DE69222396T2 (es) |
| ES (1) | ES2106833T3 (es) |
| SG (1) | SG76450A1 (es) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5576256A (en) * | 1994-05-23 | 1996-11-19 | Intevep, S.A. | Hydroprocessing scheme for production of premium isomerized light gasoline |
| US5837131A (en) * | 1996-04-05 | 1998-11-17 | University Technologies International Inc. | Desulfurization process |
| EP1051458B1 (en) | 1998-01-30 | 2003-06-18 | E.I. Dupont De Nemours And Company | use of an acidic organic fluorinated polymer in the desulfurization of petroleum products |
| US6315890B1 (en) | 1998-05-05 | 2001-11-13 | Exxonmobil Chemical Patents Inc. | Naphtha cracking and hydroprocessing process for low emissions, high octane fuels |
| US6602403B1 (en) | 1998-05-05 | 2003-08-05 | Exxonmobil Chemical Patents Inc. | Process for selectively producing high octane naphtha |
| US6455750B1 (en) * | 1998-05-05 | 2002-09-24 | Exxonmobil Chemical Patents Inc. | Process for selectively producing light olefins |
| US6118035A (en) | 1998-05-05 | 2000-09-12 | Exxon Research And Engineering Co. | Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed |
| US6339180B1 (en) | 1998-05-05 | 2002-01-15 | Exxonmobil Chemical Patents, Inc. | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process |
| US6106697A (en) | 1998-05-05 | 2000-08-22 | Exxon Research And Engineering Company | Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C4 olefins |
| US6388152B1 (en) | 1998-05-05 | 2002-05-14 | Exxonmobil Chemical Patents Inc. | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process |
| US6803494B1 (en) | 1998-05-05 | 2004-10-12 | Exxonmobil Chemical Patents Inc. | Process for selectively producing propylene in a fluid catalytic cracking process |
| US6313366B1 (en) | 1998-05-05 | 2001-11-06 | Exxonmobile Chemical Patents, Inc. | Process for selectively producing C3 olefins in a fluid catalytic cracking process |
| EP0980908A1 (en) * | 1998-08-15 | 2000-02-23 | ENITECNOLOGIE S.p.a. | Process and catalysts for upgrading of hydrocarbons boiling in the naphtha range |
| US6042719A (en) * | 1998-11-16 | 2000-03-28 | Mobil Oil Corporation | Deep desulfurization of FCC gasoline at low temperatures to maximize octane-barrel value |
| JP2002530468A (ja) * | 1998-11-16 | 2002-09-17 | モービル・オイル・コーポレイション | 低圧下にて二官能性触媒を用いるオレフィン性ガソリンの脱硫 |
| IT1304792B1 (it) | 1998-12-22 | 2001-03-29 | Agip Petroli | Composizione catalitica per l'upgrading di idrocarburi aventi puntidi ebollizione nell'intervallo della nafta. |
| IT1311512B1 (it) | 1999-03-12 | 2002-03-13 | Agip Petroli | Composizione catalitica per l'upgrading di miscele idrocarburiche. |
| IT1312337B1 (it) * | 1999-05-07 | 2002-04-15 | Agip Petroli | Composizione catalitica per l'upgrading di idrocarburi aventi punti di ebollizione nell'intervallo della nafta |
| US20020148758A1 (en) * | 2001-02-08 | 2002-10-17 | Yun-Feng Chang | Gasoline hydrodesulfurization |
| WO2003004444A1 (en) | 2001-07-02 | 2003-01-16 | Exxonmobil Chemical Patents Inc. | Inhibiting catalyst coke formation in the manufacture of an olefin |
| US20030168383A1 (en) * | 2002-03-06 | 2003-09-11 | Hoekstra George R. | Distillate desulfurization process |
| US7271123B2 (en) | 2002-03-20 | 2007-09-18 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion process |
| US6872680B2 (en) | 2002-03-20 | 2005-03-29 | Exxonmobil Chemical Patents Inc. | Molecular sieve catalyst composition, its making and use in conversion processes |
| US7232516B2 (en) * | 2003-06-26 | 2007-06-19 | Conocophillips Company | Desulfurization with octane enhancement |
| US20050023191A1 (en) * | 2003-08-01 | 2005-02-03 | Shih Stuart S. | Process to manufacture low sulfur fuels |
| US7763164B1 (en) * | 2006-05-04 | 2010-07-27 | Marathon Petroleum Company Llc | Gasoline sulfur reduction in FCCU cracking |
| US7837861B2 (en) * | 2006-10-18 | 2010-11-23 | Exxonmobil Research & Engineering Co. | Process for benzene reduction and sulfur removal from FCC naphthas |
| ITMI20081061A1 (it) | 2008-06-11 | 2009-12-12 | Eni Spa | Sistema catalitico e procedimento per l'idroconversione di prodotti petroliferi pesanti |
| ITMI20111626A1 (it) * | 2011-09-08 | 2013-03-09 | Eni Spa | Sistema catalitico e procedimento per l'idroconversione totale degli oli pesanti |
| CN102631934B (zh) * | 2012-04-09 | 2014-04-23 | 温州大学 | 多孔沸石负载CoMo、NiMo、NiW金属硫化物的加氢脱硫催化剂及其制备方法 |
| CN105498854B (zh) * | 2015-12-31 | 2019-01-11 | 沈阳三聚凯特催化剂有限公司 | 一种高精脱硫脱氮催化剂载体及其制备方法 |
| CN114433196B (zh) * | 2020-10-20 | 2023-07-04 | 中国石油化工股份有限公司 | 整体式催化剂、制备方法及其在合成气转化反应中的应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045505A (en) * | 1976-01-21 | 1977-08-30 | Mobil Oil Corporation | Method for upgrading a Fischer-Tropsch light oil |
| US4696732A (en) * | 1984-10-29 | 1987-09-29 | Mobil Oil Corporation | Simultaneous hydrotreating and dewaxing of petroleum feedstocks |
| US5041208A (en) * | 1986-12-04 | 1991-08-20 | Mobil Oil Corporation | Process for increasing octane and reducing sulfur content of olefinic gasolines |
| US4827076A (en) * | 1987-07-16 | 1989-05-02 | Union Oil Company Of California | Desulfurization and isomerization of N-paraffins |
| US5059304A (en) * | 1988-02-12 | 1991-10-22 | Chevron Research Company | Process for removing sulfur from a hydrocarbon feedstream using a sulfur sorbent with alkali metal components or alkaline earth metal components |
| US5043501A (en) * | 1990-03-15 | 1991-08-27 | Mobil Oil Corp. | Process for preparing dimethylnaphthalene |
| GB2249554A (en) * | 1990-11-09 | 1992-05-13 | Shell Int Research | Upgrading sulphur-containing feedstock |
-
1992
- 1992-10-27 AU AU27340/92A patent/AU658937B2/en not_active Ceased
- 1992-10-29 CA CA002081758A patent/CA2081758C/en not_active Expired - Fee Related
- 1992-11-03 EP EP92310061A patent/EP0543529B1/en not_active Expired - Lifetime
- 1992-11-03 SG SG1996001794A patent/SG76450A1/en unknown
- 1992-11-03 DE DE69222396T patent/DE69222396T2/de not_active Expired - Fee Related
- 1992-11-03 ES ES92310061T patent/ES2106833T3/es not_active Expired - Lifetime
- 1992-11-19 JP JP31005192A patent/JP3270545B2/ja not_active Expired - Fee Related
-
1993
- 1993-09-07 US US08/117,276 patent/US5378352A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SG76450A1 (en) | 2000-11-21 |
| JPH05247474A (ja) | 1993-09-24 |
| EP0543529B1 (en) | 1997-09-24 |
| CA2081758A1 (en) | 1993-05-20 |
| JP3270545B2 (ja) | 2002-04-02 |
| AU658937B2 (en) | 1995-05-04 |
| EP0543529A1 (en) | 1993-05-26 |
| DE69222396D1 (de) | 1997-10-30 |
| US5378352A (en) | 1995-01-03 |
| DE69222396T2 (de) | 1998-02-26 |
| AU2734092A (en) | 1993-05-20 |
| CA2081758C (en) | 2003-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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