ES2097205T3 - Metodo para la descomposicion catalizada por bases de compuestos organicos halogenados y no halogenados en un medio contaminado. - Google Patents
Metodo para la descomposicion catalizada por bases de compuestos organicos halogenados y no halogenados en un medio contaminado.Info
- Publication number
- ES2097205T3 ES2097205T3 ES91905199T ES91905199T ES2097205T3 ES 2097205 T3 ES2097205 T3 ES 2097205T3 ES 91905199 T ES91905199 T ES 91905199T ES 91905199 T ES91905199 T ES 91905199T ES 2097205 T3 ES2097205 T3 ES 2097205T3
- Authority
- ES
- Spain
- Prior art keywords
- halogenated
- hydrogen
- media
- medium
- contaminated environment
- 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
- 238000000354 decomposition reaction Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 abstract 2
- 150000003254 radicals Chemical class 0.000 abstract 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 150000001720 carbohydrates Chemical class 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 231100001261 hazardous Toxicity 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000007962 solid dispersion Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/37—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/34—Dehalogenation using reactive chemical agents able to degrade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/22—Organic substances containing halogen
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/47—Inorganic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
- A62D2203/04—Combined processes involving two or more non-distinct steps covered by groups A62D3/10 - A62D3/40
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/908—Organic
- Y10S210/909—Aromatic compound, e.g. pcb, phenol
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/515—Specific contaminant removal
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Soil Sciences (AREA)
- Fire-Extinguishing Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
UN METODO PARA LA DESCOMPOSICION DE COMPUESTOS CONTAMINANTES ORGANICOS HALOGENADOS Y NO HALOGENADOS CONTENIDOS EN UN MEDIO CONTAMINADO COMPRENDE LA ADICION DE UN CARBONATO, UN BICARBONATO O UN HIDROXIDO DE METAL TERROSO DE ALCALI O ALCALINO AL MEDIO CONTAMINADO EN UNA SOLUCION ACUOSA O EN UN SOLVENTE QUE TENGA UNA TEMPERATURA DE EBULLICION DE, AL MENOS, 200 (GRADOS) C, O EN FORMA DE UNA DISPERSION O SUSPENSION SOLIDA. EL MEDIO INCLUYE UN COMPUESTO DADOR DE HIDROGENO. EL COMPUESTO DADOR DE HIDROGENO PUEDE ESTAR CONTENIDO ORIGINALMENTE EN EL MEDIO O PUEDE SER AÑADIDO AL MEDIO. ADEMAS, EL MEDIO INCLUYE UNA FUENTE CATALITICA DE CARBONO, POR EJEMPLO, UN CARBOHIDRATO, QUE PROVOCARA LA FORMACION DE UN ION DE HIDROGENO DE RADICAL LIBRE A PARTIR DEL COMPUESTO DADOR DE HIDROGENO. EL MEDIO SE CALIENTA PARA DESHIDRATAR EL MEDIO Y, A CONTINUACION, SE CALIENTA MAS A UNA TEMPERATURA COMPRENDIDA ENTRE 200 Y 400 (GRADOS) C PARA PROVOCAR LA FORMACION DEL ION DE HIDROGENO DE RADICAL LIBRE Y EFECTUAR LA DESCOMPOSICION DE LOS COMPUESTOS CONTAMINANTES ORGANICOS HALOGENADOS Y NO HALOGENADOS. A CONTINUACION, SE AÑADE UN ACIDO AL MEDIO EN UNA CANTIDAD SUFICIENTE PARA NEUTRALIZAR EL MISMO.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/515,892 US5039350A (en) | 1990-04-27 | 1990-04-27 | Method for the decomposition of halogenated organic compounds in a contaminated medium |
| US07/620,127 US5064526A (en) | 1990-04-27 | 1990-11-30 | Method for the base-catalyzed decomposition of halogenated and non-halogenated organic compounds in a contaminated medium |
| PCT/US1993/002220 WO1994020591A1 (en) | 1990-04-27 | 1993-03-11 | Method for the reductive decomposition of chemical contaminants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2097205T3 true ES2097205T3 (es) | 1997-04-01 |
Family
ID=27377349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES91905199T Expired - Lifetime ES2097205T3 (es) | 1990-04-27 | 1991-02-21 | Metodo para la descomposicion catalizada por bases de compuestos organicos halogenados y no halogenados en un medio contaminado. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5064526A (es) |
| EP (1) | EP0526462B1 (es) |
| JP (1) | JP3025701B2 (es) |
| AT (1) | ATE147427T1 (es) |
| AU (1) | AU644424B2 (es) |
| BR (1) | BR9106342A (es) |
| DE (1) | DE69124094T2 (es) |
| DK (1) | DK0526462T3 (es) |
| ES (1) | ES2097205T3 (es) |
| WO (1) | WO1991017229A1 (es) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039350A (en) * | 1990-04-27 | 1991-08-13 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Method for the decomposition of halogenated organic compounds in a contaminated medium |
| CA2091740A1 (en) * | 1992-03-25 | 1993-09-26 | Kanji Miyabe | A method of treatment of a fluid containing volatile organic halogenated compounds |
| US5387738A (en) * | 1992-11-03 | 1995-02-07 | Beckham; Doyle H. | Reagent for treating a contaminated waste material and method for same |
| EP0674536A4 (en) * | 1992-12-18 | 1996-02-28 | Tech Resources Pty Ltd | DISPOSAL OF TOXIC MATERIALS. |
| US5332496A (en) * | 1993-04-12 | 1994-07-26 | Electrocom Gard, Ltd. | System for performing catalytic dehalogenation of aqueous and/or non-aqueous streams |
| CN1111435C (zh) * | 1993-04-15 | 2003-06-18 | 查尔斯·罗杰斯 | 化学污染物的还原性分解方法 |
| US5409617A (en) * | 1993-07-13 | 1995-04-25 | Sri International | Environmentally acceptable waste disposal by conversion of hydrothermally labile compounds |
| US5478548A (en) * | 1994-02-04 | 1995-12-26 | Rogers; Charles J. | Methods for the synthesis of chemical compounds |
| US5520745A (en) * | 1994-09-06 | 1996-05-28 | General Electric Company | Remediation of contaminated material |
| AUPM826294A0 (en) * | 1994-09-20 | 1994-10-13 | Australian Defence Industries Limited | A method for decomposing halogenated organic compounds |
| NO308831B1 (no) * | 1995-03-22 | 2000-11-06 | Nkt Res Ct As | FremgangsmÕte for behandling av halogenholdig avfallsmateriale |
| US5567324A (en) * | 1995-06-07 | 1996-10-22 | Envirogen, Inc. | Method of biodegrading hydrophobic organic compounds |
| US6492572B2 (en) | 1995-08-29 | 2002-12-10 | E. I. Du Pont De Nemours And Company | Method for remediating contaminated soils |
| US5789649A (en) * | 1995-08-29 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Method for Remediating contaminated soils |
| US5688335A (en) * | 1995-09-05 | 1997-11-18 | General Electric Company | Contaminant removal from material |
| JP3713333B2 (ja) * | 1996-07-04 | 2005-11-09 | 同和鉱業株式会社 | 弗化炭素類の分解法 |
| ATE227598T1 (de) * | 1997-02-24 | 2002-11-15 | Meidensha Electric Mfg Co Ltd | Verfahren und system zur entfernung von schadstoffen |
| US5904909A (en) * | 1997-08-21 | 1999-05-18 | The United States Of America As Represented By The Secretary Of Agriculture | Methods for removing and decomposing methyl bromide from fumigation |
| DE19903987A1 (de) * | 1999-02-02 | 2000-08-10 | Friedrich Boelsing | Verfahren zur reduktiven Dehalogenierung flüssiger oder fester Halogenkohlenwasserstoffe |
| DE19903986A1 (de) * | 1999-02-02 | 2000-08-10 | Friedrich Boelsing | Verfahren zur reduktiven Dehalogenierung von Halogenkohlenwasserstoffen |
| US20030120127A1 (en) * | 2001-11-07 | 2003-06-26 | Wylie Ian Gordon Norman | Process for destruction of halogenated organic compounds in solids |
| US20040073077A1 (en) * | 2002-10-09 | 2004-04-15 | Alfred Kornel | Decomposition of nitrogen-based energetic material |
| WO2005121020A2 (en) * | 2004-06-03 | 2005-12-22 | Rogers Charles J | Low temperature methods for hydrogen production |
| US20080027252A1 (en) * | 2006-07-27 | 2008-01-31 | Burkholder Kermit L | Oil dehalogenation method |
| EP2185638A1 (en) * | 2007-09-07 | 2010-05-19 | Charles J. Rogers | Polymer recycling methods employing catalytic transfer hydrogenation and base cleavage reactions |
| US9200213B2 (en) * | 2008-03-24 | 2015-12-01 | Baker Hughes Incorporated | Method for reducing acids in crude or refined hydrocarbons |
| KR101353429B1 (ko) * | 2012-03-26 | 2014-01-21 | 김연재 | 유류오염 토양 정화용 조성물 및 이를 이용한 정화 방법 |
| US11299599B1 (en) * | 2019-05-07 | 2022-04-12 | Bcd Global Ltd. | Rapid chemical methods for recovery of materials from waste sources |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246255A (en) * | 1979-04-02 | 1981-01-20 | Rockwell International Corporation | Disposal of PCB |
| US4327027A (en) * | 1979-06-15 | 1982-04-27 | Vertac Chemical Corporation | Chemical detoxification of toxic chlorinated aromatic compounds |
| US4337368A (en) * | 1980-04-21 | 1982-06-29 | The Franklin Institute | Reagent and method for decomposing halogenated organic compounds |
| US4400552A (en) * | 1980-04-21 | 1983-08-23 | The Franklin Institute | Method for decomposition of halogenated organic compounds |
| US4523043A (en) * | 1980-04-21 | 1985-06-11 | The Franklin Institute | Reagent and method for decomposing organosulfur compounds |
| US4471143A (en) * | 1980-04-21 | 1984-09-11 | The Franklin Institute | Composition for decomposing halogenated organic compounds |
| US4460797A (en) * | 1981-03-05 | 1984-07-17 | The Franklin Institute | Method for decomposition of halogenated organic compounds |
| US4349380A (en) * | 1981-04-01 | 1982-09-14 | The Franklin Institute | Method of recovering metals from metal containing materials |
| US4351718A (en) * | 1981-06-01 | 1982-09-28 | General Electric Company | Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| US4353793A (en) * | 1981-09-25 | 1982-10-12 | General Electric Company | Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| US4416767A (en) * | 1981-11-16 | 1983-11-22 | Sun-Ohio, Inc. | Method and apparatus for the removal of excess sodium reagent and byproducts of reaction produced during the destruction and removal of polychlorinated biphenyls from oil |
| US4602994A (en) * | 1982-09-30 | 1986-07-29 | The Franklin Institute | Removal of PCBs and other halogenated organic compounds from organic fluids |
| US4417977A (en) * | 1982-09-30 | 1983-11-29 | The Franklin Institute | Removal of PCBS and other halogenated organic compounds from organic fluids |
| US4483716A (en) * | 1982-09-30 | 1984-11-20 | The Franklin Institute | Poultice method for extracting hazardous spills |
| US4430208A (en) * | 1982-10-29 | 1984-02-07 | The Franklin Institute | Method for the solvent extraction of polychlorinated biphenyls |
| AU555461B2 (en) * | 1983-03-10 | 1986-09-25 | Sea Marconi Decontamination S.R.L. | Process for the decomposition and decontamination of organic substances and halogenated toxic materials |
| US4447541A (en) * | 1983-06-06 | 1984-05-08 | Galson Research Corporation | Methods for decontaminating soil |
| US4793937A (en) * | 1983-09-02 | 1988-12-27 | American Colloid Company | Method and apparatus for separating contaminants from fluidizable solids |
| US4685220A (en) * | 1983-09-02 | 1987-08-11 | American Toxic Disposal Partners | Method and apparatus for separating dioxin from fluidizable solids |
| US4662948A (en) * | 1984-11-28 | 1987-05-05 | Electric Power Research Institute | On-site removal of PCB and dioxins from soils |
| US4574013A (en) * | 1985-04-18 | 1986-03-04 | Galson Research Corporation | Method for decontaminating soil |
| CA1236488A (en) * | 1985-06-25 | 1988-05-10 | Hydro-Quebec | Process for the destruction of toxic organic products |
| US4663027A (en) * | 1986-03-03 | 1987-05-05 | General Electric Company | Method for removing polyhalogenated hydrocarbons from non-polar organic solvent solutions |
| FR2598089B1 (fr) * | 1986-04-30 | 1989-07-21 | Labofina Sa | Procede de decomposition de composes organiques halogenes applicable notamment aux huiles minerales |
| US4675464A (en) * | 1986-07-09 | 1987-06-23 | Government Of The United States As Represented By The Administrator Of The Environmental Protection Agency | Chemical destruction of halogenated aliphatic hydrocarbons |
| US4792407A (en) * | 1986-11-25 | 1988-12-20 | Ultrox International | Oxidation of organic compounds in water |
| US4869825A (en) * | 1987-05-26 | 1989-09-26 | Werner Steiner | Process for the removal of organic contaminants from solids |
| US4801384A (en) * | 1987-05-26 | 1989-01-31 | Werner Steiner | Process for the removal of organic contaminants from soils and sedimenta |
| US4841998A (en) * | 1987-10-26 | 1989-06-27 | Bruya James E | Soil decontamination method |
-
1990
- 1990-11-30 US US07/620,127 patent/US5064526A/en not_active Expired - Lifetime
-
1991
- 1991-02-21 BR BR919106342A patent/BR9106342A/pt not_active IP Right Cessation
- 1991-02-21 WO PCT/US1991/001112 patent/WO1991017229A1/en not_active Ceased
- 1991-02-21 AU AU74463/91A patent/AU644424B2/en not_active Expired
- 1991-02-21 ES ES91905199T patent/ES2097205T3/es not_active Expired - Lifetime
- 1991-02-21 EP EP91905199A patent/EP0526462B1/en not_active Expired - Lifetime
- 1991-02-21 DK DK91905199.5T patent/DK0526462T3/da active
- 1991-02-21 JP JP3505125A patent/JP3025701B2/ja not_active Expired - Fee Related
- 1991-02-21 AT AT91905199T patent/ATE147427T1/de not_active IP Right Cessation
- 1991-02-21 DE DE69124094T patent/DE69124094T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DK0526462T3 (da) | 1997-04-01 |
| DE69124094D1 (de) | 1997-02-20 |
| JP3025701B2 (ja) | 2000-03-27 |
| BR9106342A (pt) | 1993-04-20 |
| AU644424B2 (en) | 1993-12-09 |
| EP0526462A1 (en) | 1993-02-10 |
| DE69124094T2 (de) | 1997-06-12 |
| ATE147427T1 (de) | 1997-01-15 |
| AU7446391A (en) | 1991-11-27 |
| US5064526A (en) | 1991-11-12 |
| EP0526462A4 (en) | 1993-04-21 |
| EP0526462B1 (en) | 1997-01-08 |
| JPH05508666A (ja) | 1993-12-02 |
| WO1991017229A1 (en) | 1991-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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