ZA924157B - Method for treating aqueous streams containing undesired amounts of cyanide - Google Patents

Method for treating aqueous streams containing undesired amounts of cyanide

Info

Publication number
ZA924157B
ZA924157B ZA924157A ZA924157A ZA924157B ZA 924157 B ZA924157 B ZA 924157B ZA 924157 A ZA924157 A ZA 924157A ZA 924157 A ZA924157 A ZA 924157A ZA 924157 B ZA924157 B ZA 924157B
Authority
ZA
South Africa
Prior art keywords
cyanide
metal
chelates
streams containing
oxidation
Prior art date
Application number
ZA924157A
Other languages
English (en)
Inventor
Robert R Frame
R Frame Robert
Tom N Kalnes
N Kalnes Tom
Mark D Moser
D Moser Mark
Original Assignee
Uop Inc
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.)
Filing date
Publication date
Application filed by Uop Inc filed Critical Uop Inc
Priority to ZA924157A priority Critical patent/ZA924157B/xx
Publication of ZA924157B publication Critical patent/ZA924157B/xx

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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1825—Ligands comprising condensed ring systems, e.g. acridine, carbazole
    • B01J31/183—Ligands comprising condensed ring systems, e.g. acridine, carbazole with more than one complexing nitrogen atom, e.g. phenanthroline
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1815—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
    • B01J2531/025—Ligands with a porphyrin ring system or analogues thereof, e.g. phthalocyanines, corroles
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/50—Complexes comprising metals of Group V (VA or VB) as the central metal
    • B01J2531/56—Vanadium
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84—Metals of the iron group
    • B01J2531/842—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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84—Metals of the iron group
    • B01J2531/845—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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/90—Catalytic systems characterized by the solvent or solvent system used
    • B01J2531/96—Water
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • Y10S210/903—Nitrogenous
    • Y10S210/904—-CN containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
  • Catalysts (AREA)
ZA924157A 1990-12-24 1992-06-08 Method for treating aqueous streams containing undesired amounts of cyanide ZA924157B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA924157A ZA924157B (en) 1990-12-24 1992-06-08 Method for treating aqueous streams containing undesired amounts of cyanide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/632,798 US5120453A (en) 1990-12-24 1990-12-24 Oxidative removal of cyanide from aqueous streams
ZA924157A ZA924157B (en) 1990-12-24 1992-06-08 Method for treating aqueous streams containing undesired amounts of cyanide

Publications (1)

Publication Number Publication Date
ZA924157B true ZA924157B (en) 1993-02-24

Family

ID=24536991

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA924157A ZA924157B (en) 1990-12-24 1992-06-08 Method for treating aqueous streams containing undesired amounts of cyanide

Country Status (9)

Country Link
US (2) US5120453A (fr)
EP (1) EP0572698B1 (fr)
JP (1) JPH0716669B2 (fr)
AT (1) ATE141242T1 (fr)
AU (1) AU641321B1 (fr)
CA (1) CA2070364A1 (fr)
DE (1) DE69212818T2 (fr)
ES (1) ES2090412T3 (fr)
ZA (1) ZA924157B (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345032A (en) * 1988-05-09 1994-09-06 The Public Health Laboratory Service Board Use of metal chelate complexes in dehalogenation
GB8910760D0 (en) * 1989-05-10 1989-06-28 Health Lab Service Board Corrin mediated degradation of organic nitrogen compounds
US5505856A (en) * 1989-05-23 1996-04-09 Eco Purification Systems, Bv Process for the purification of contaminated water by activated ozone
US6214233B1 (en) * 1989-07-28 2001-04-10 Lewis, Iii Tom Process for simultaneous oxidation of cyanide and recovery of heavy metals from waste water
US5120453A (en) * 1990-12-24 1992-06-09 Uop Oxidative removal of cyanide from aqueous streams
JPH05329489A (ja) * 1992-04-01 1993-12-14 Fuji Electric Co Ltd オゾンを用いた水処理方法
EP0563926B1 (fr) * 1992-04-01 1997-07-23 Fuji Electric Co., Ltd. Procédé de traitement de l'eau par de l'ozone
DE4214974A1 (de) * 1992-05-06 1993-11-11 Ultra Systems Gmbh Uv Oxidatio Zerstörung von freien und komplexen Cyaniden, AOX, Mineralöl, Komplexbildnern, CSB, Nitrit, Chromat und Abtrennung von Metallen in Abwässern
US5493017A (en) * 1992-08-14 1996-02-20 The Trustees Of The University Of Pennsylvania Ring-metalated porphyrins
US5371199B1 (en) * 1992-08-14 1995-12-26 Univ Pennsylvania Substituted porphyrins porphyrin-containing polymers and synthetic methods therefor
US5599924A (en) * 1992-08-14 1997-02-04 Trustees Of The University Of Pennsylvania Electron-deficient porphyrins and processes and intermediates for preparing same
US5817830A (en) * 1992-08-14 1998-10-06 Trustees Of The University Of Pennsylvania Pyrrolic compounds
US5376285A (en) * 1993-02-11 1994-12-27 Uop Oxidative removal of aqueous metal-complexed cyanide under acidic conditions
US5273663A (en) * 1993-02-11 1993-12-28 Uop Oxidative removal of aqueous cyanide under acidic conditions
US5324439A (en) * 1993-03-19 1994-06-28 Industrial Technology Research Institute Process for the recovery of metal from cyanide-containing liquid wastes
FR2704543B1 (fr) * 1993-04-30 1995-07-13 Kodak Pathe Procede de traitement d'effluents photographiques par les ultraviolets et le peroxyde d'hydrogene.
US5635078A (en) * 1993-05-12 1997-06-03 Mobil Oil Corporation Rejuvenated catalytic oxidation of waste water, particularly for removal of cyanide and sulfur compounds
US5552063A (en) * 1993-05-12 1996-09-03 Mobil Oil Corporation Process for treating wastewater containing phenol, ammonia, and cod
US5376281A (en) * 1993-07-21 1994-12-27 Safta; Eugen Water purification system
FR2716676B1 (fr) * 1994-02-28 1996-04-05 Elf Aquitaine Procédé de décomposition oxydative de composés organiques présents dans des effluents aqueux.
US5470480A (en) * 1994-05-09 1995-11-28 Eka Nobel, Inc. Process for treating waste water effluent
US5476596A (en) * 1994-06-17 1995-12-19 Uop Oxidation and hydrolysis of cyanides using metal chelates on supports of metal oxide solid solutions
US5470486A (en) * 1994-06-20 1995-11-28 Uop Conversion of water-soluble inorganic sulfide compounds in an aqueous stream
KR100188169B1 (ko) * 1995-08-29 1999-06-01 박원훈 촉매를 이용한 폐수의 화학적 산화 처리 방법
GB9601915D0 (en) * 1996-01-31 1996-04-03 Kodak Ltd Method of treating waste effluent
US5861123A (en) * 1996-04-26 1999-01-19 Ceco Filters, Inc. Ultraviolet light irradiated ebullating mass transfer system
US5705078A (en) * 1996-08-23 1998-01-06 Uop Oxidative removal of aqueous cyanide by manganese(IV)-containing oxides
DE19646553A1 (de) * 1996-10-29 1998-04-30 Delta Umwelt Technik Gmbh Verfahren zur Reinigung von organische und/oder anorganische Verbindungen enthaltenden Wässern durch katalytische Naßoxidation
US5961833A (en) * 1997-06-09 1999-10-05 Hw Process Technologies, Inc. Method for separating and isolating gold from copper in a gold processing system
CA2293691C (fr) 1997-06-09 2006-11-07 Hw Process Technologies, Inc. Procede pour separer et isoler des metaux precieux de metaux non preciaux dissous dans des solutions
AU734200B2 (en) * 1997-07-23 2001-06-07 Australian Nuclear Science & Technology Organisation Photo-assisted oxidation of inorganic species in aqueous solutions
AUPO819697A0 (en) * 1997-07-23 1997-08-14 Australian Nuclear Science & Technology Organisation Photo-assisted oxidation of inorganic species in aqueous solutions
US6767472B2 (en) * 1998-06-24 2004-07-27 The University Of Akron Catalytic fixed bed reactor systems for the destruction of contaminants in water by hydrogen peroxide and ozone
AU5162799A (en) * 1998-07-28 2000-02-21 A.C.K. Aqua Concept Gmbh Karlsruhe Method and device for processing aqueous liquids containing cyanide
AUPP500898A0 (en) * 1998-07-31 1998-08-27 Australian Nuclear Science & Technology Organisation Iron-catalysed oxidation of manganese and other inorganic species in aqueous solutions
KR20020000629A (ko) 1999-04-19 2002-01-05 추후제출 액체 처리를 위한 장치 및 방법
CN1080591C (zh) * 1999-06-21 2002-03-13 太原理工大学 磺化酞菁钴分子筛复合材料的制备
NO313994B1 (no) * 2001-03-12 2003-01-13 Due Miljoe As Våtoksidasjon ved hjelp av en porös katalytisk kontaktor
US6761826B2 (en) 2001-11-30 2004-07-13 New Star Lasers, Inc. Pulsed blackbody radiation flux enhancement
US7144514B2 (en) * 2002-09-09 2006-12-05 Texaco, Inc. Cyanide and formate destruction with ultra violet light
BR0300920B1 (pt) * 2003-04-11 2012-12-11 compósitos de ftalocianina de zinco e óxido de titánio, método para a obtenção dos compósitos e método de emprego em processos fotocatalìticos.
US20050067341A1 (en) * 2003-09-25 2005-03-31 Green Dennis H. Continuous production membrane water treatment plant and method for operating same
WO2006116533A2 (fr) * 2005-04-27 2006-11-02 Hw Process Technologies, Inc. Traitement d'eaux de forage
WO2008036816A2 (fr) * 2006-09-20 2008-03-27 Hw Advanced Technologies, Inc. Separation d'ions de fer multivalents dans des circuits de recuperation de metal
US20080128354A1 (en) * 2006-11-30 2008-06-05 Hw Advanced Technologies, Inc. Method for washing filtration membranes
EP3354624B1 (fr) * 2014-11-28 2019-07-10 Evonik Degussa GmbH Procédé de traitement d'eaux usées polluées à partir de la fabrication d'isophorone-nitrile
WO2019207075A1 (fr) * 2018-04-25 2019-10-31 Solvay Sa Élimination de complexes de cyanure métallique stables et d'ions métalliques d'un flux d'eau
EP3604234A1 (fr) * 2018-08-02 2020-02-05 Solvay Sa Élimination des complexes métal-cyanure stables et des ions métalliques des effluents aqueux
CN111841659B (zh) * 2020-07-28 2023-03-28 福建省农业科学院农业工程技术研究所 一种磁性悬浮态3d微球的制备及其催化臭氧矿化难降解有机物上的应用

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL103100C (fr) * 1957-05-10
US2951797A (en) * 1957-11-13 1960-09-06 Monsanto Chemicals Photosensitizers in photoxidation
US2966453A (en) * 1959-03-13 1960-12-27 Universal Oil Prod Co Oxidation of mercapto compounds
BE598589A (fr) * 1959-12-28
US3029202A (en) * 1960-04-19 1962-04-10 Universal Oil Prod Co Treating waste water
US3284351A (en) * 1963-07-15 1966-11-08 Nalco Chemical Co Water purification method
US3252892A (en) * 1964-09-22 1966-05-24 Universal Oil Prod Co Oxidation of mercapto compounds using corrinoid catalyst
DE1621568B2 (de) * 1967-11-04 1971-12-09 Degussa Verfahren zur entgiftung von cyanid und nitrithaltigen waess rigen loesungen
US3586623A (en) * 1968-01-12 1971-06-22 Degussa Process for detoxification of cyanide containing aqueous solutions
US3980582A (en) * 1973-09-07 1976-09-14 Ashland Oil, Inc. Method and catalyst for removing mercaptans and mercaptide compounds from aqueous alkaline solutions
US4290913A (en) * 1978-07-24 1981-09-22 Uop Inc. Catalytic composite useful for the treatment of mercaptan-containing sour petroleum distillate
GB2091713B (en) * 1981-01-28 1984-03-21 Inco Ltd Process for the removal of cyanide from aqueous solutions
US4446029A (en) * 1982-09-22 1984-05-01 Fmc Corporation Destruction of iron cyanide complexes
US4512900A (en) * 1983-12-13 1985-04-23 International Business Machines Corporation Method for treating waste compositions
CA1241774A (fr) * 1984-05-23 1988-09-06 Bruce R. Conard Traitement d'effluents
CA1234931A (fr) * 1984-05-28 1988-04-05 Inco Limited Traitement d'effluents a teneur de cyanure- ferrocyanure
CA1287829C (fr) * 1986-10-02 1991-08-20 Cooper H. Langford Element composite de photocatalyse pour la degradation des rebuts refractaires
US4743381A (en) * 1987-07-01 1988-05-10 Fmc Corporation Process for oxidizing a cyanide compound
US5120453A (en) * 1990-12-24 1992-06-09 Uop Oxidative removal of cyanide from aqueous streams

Also Published As

Publication number Publication date
EP0572698B1 (fr) 1996-08-14
US5120453A (en) 1992-06-09
ATE141242T1 (de) 1996-08-15
AU641321B1 (en) 1993-09-16
JPH06487A (ja) 1994-01-11
US5238581A (en) 1993-08-24
DE69212818D1 (de) 1996-09-19
ES2090412T3 (es) 1996-10-16
JPH0716669B2 (ja) 1995-03-01
DE69212818T2 (de) 1996-12-19
CA2070364A1 (fr) 1993-12-04
EP0572698A1 (fr) 1993-12-08

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