LU87108A1 - Procede d'extraction de metal - Google Patents
Procede d'extraction de metal Download PDFInfo
- Publication number
- LU87108A1 LU87108A1 LU87108A LU87108A LU87108A1 LU 87108 A1 LU87108 A1 LU 87108A1 LU 87108 A LU87108 A LU 87108A LU 87108 A LU87108 A LU 87108A LU 87108 A1 LU87108 A1 LU 87108A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- organic phase
- metal
- extraction
- kelex
- hydroxyquinoline
- Prior art date
Links
- 238000000605 extraction Methods 0.000 title claims description 51
- 229910052751 metal Inorganic materials 0.000 title claims description 30
- 239000002184 metal Substances 0.000 title claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000005725 8-Hydroxyquinoline Substances 0.000 claims abstract description 16
- 229960003540 oxyquinoline Drugs 0.000 claims abstract description 16
- 150000004325 8-hydroxyquinolines Chemical class 0.000 claims abstract description 10
- 239000006227 byproduct Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000012074 organic phase Substances 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 21
- 239000000203 mixture Chemical class 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 11
- 238000011068 loading method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000012071 phase Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- YWACCMLWVBYNHR-UHFFFAOYSA-N 7-(5-ethylnonan-2-yl)quinolin-8-ol Chemical compound C1=CC=NC2=C(O)C(C(C)CCC(CC)CCCC)=CC=C21 YWACCMLWVBYNHR-UHFFFAOYSA-N 0.000 description 34
- 239000000243 solution Substances 0.000 description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- PLLBRTOLHQQAQQ-UHFFFAOYSA-N 8-methylnonan-1-ol Chemical compound CC(C)CCCCCCCO PLLBRTOLHQQAQQ-UHFFFAOYSA-N 0.000 description 13
- 239000000047 product Substances 0.000 description 12
- 229910052733 gallium Inorganic materials 0.000 description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 11
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229910052732 germanium Inorganic materials 0.000 description 8
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000000638 solvent extraction Methods 0.000 description 6
- 239000004480 active ingredient Substances 0.000 description 5
- 229910052787 antimony Inorganic materials 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 229910052763 palladium Inorganic materials 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007850 degeneration Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 238000004131 Bayer process Methods 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- VOHHCUUIBNXCNP-UHFFFAOYSA-N 7-(5,5,7,7-tetramethyloct-1-en-3-yl)quinolin-8-ol Chemical compound C1=CC=NC2=C(O)C(C(C=C)CC(C)(C)CC(C)(C)C)=CC=C21 VOHHCUUIBNXCNP-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- -1 alkyl hydroxyquinoline Chemical compound 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 150000004028 organic sulfates Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- FNXKBSAUKFCXIK-UHFFFAOYSA-M sodium;hydrogen carbonate;8-hydroxy-7-iodoquinoline-5-sulfonic acid Chemical class [Na+].OC([O-])=O.C1=CN=C2C(O)=C(I)C=C(S(O)(=O)=O)C2=C1 FNXKBSAUKFCXIK-UHFFFAOYSA-M 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G15/00—Compounds of gallium, indium or thallium
- C01G15/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/36—Heterocyclic compounds
- C22B3/362—Heterocyclic compounds of a single type
- C22B3/364—Quinoline
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Saccharide Compounds (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Laminated Bodies (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Gas Separation By Absorption (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU87108A LU87108A1 (fr) | 1988-01-18 | 1988-01-18 | Procede d'extraction de metal |
| ES198888121354T ES2034145T3 (es) | 1988-01-18 | 1988-12-21 | Procedimiento de extraccion de metal. |
| AT88121354T ATE77656T1 (de) | 1988-01-18 | 1988-12-21 | Metall extraktion verfahren. |
| EP88121354A EP0324963B1 (de) | 1988-01-18 | 1988-12-21 | Metall Extraktion Verfahren |
| US07/287,143 US4942023A (en) | 1988-01-18 | 1988-12-21 | Metal extraction process with substituted 8-hydroxyquinoline |
| DE8888121354T DE3872373T2 (de) | 1988-01-18 | 1988-12-21 | Metall extraktion verfahren. |
| CA000587277A CA1337503C (en) | 1988-01-18 | 1988-12-29 | Metal extraction process |
| IL88871A IL88871A (en) | 1988-01-18 | 1989-01-03 | Metal extraction process by means of 8-hydroxy- quinoline |
| ZA8949A ZA8949B (en) | 1988-01-18 | 1989-01-04 | Metal extraction process |
| AU28386/89A AU599277B2 (en) | 1988-01-18 | 1989-01-11 | Metal extraction process |
| MA21713A MA21472A1 (fr) | 1988-01-18 | 1989-01-12 | Procede d'extraction de metal . |
| BR898900156A BR8900156A (pt) | 1988-01-18 | 1989-01-13 | Processo para a separacao de um metal que forma complexo com 8-hidroxi-quinoleina,a partir de solucao aquosa contendo o dito metal |
| MX014574A MX169279B (es) | 1988-01-18 | 1989-01-17 | Procedimiento para la extraccion de metal |
| JP1009622A JPH024929A (ja) | 1988-01-18 | 1989-01-18 | 水溶液からの金属の分離方法 |
| FI890265A FI90828C (fi) | 1988-01-18 | 1989-01-18 | Metallin uuttamismenetelmä |
| NO890229A NO173105C (no) | 1988-01-18 | 1989-01-18 | Metallekstraksjonsprosess |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU87108A LU87108A1 (fr) | 1988-01-18 | 1988-01-18 | Procede d'extraction de metal |
| LU87108 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU87108A1 true LU87108A1 (fr) | 1989-08-30 |
Family
ID=19731013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU87108A LU87108A1 (fr) | 1988-01-18 | 1988-01-18 | Procede d'extraction de metal |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4942023A (de) |
| EP (1) | EP0324963B1 (de) |
| JP (1) | JPH024929A (de) |
| AT (1) | ATE77656T1 (de) |
| AU (1) | AU599277B2 (de) |
| BR (1) | BR8900156A (de) |
| CA (1) | CA1337503C (de) |
| DE (1) | DE3872373T2 (de) |
| ES (1) | ES2034145T3 (de) |
| FI (1) | FI90828C (de) |
| IL (1) | IL88871A (de) |
| LU (1) | LU87108A1 (de) |
| MA (1) | MA21472A1 (de) |
| MX (1) | MX169279B (de) |
| NO (1) | NO173105C (de) |
| ZA (1) | ZA8949B (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277882A (en) * | 1989-04-28 | 1994-01-11 | Union Miniere S.A. | Process for recovering germanium |
| ES2043276T3 (es) * | 1989-06-22 | 1993-12-16 | Noranda Inc | Recuperacion de platino y paladio puros. |
| US5078978A (en) * | 1989-11-06 | 1992-01-07 | Brigham Young University | Pyridine-containing alkoxysilanes bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions |
| US5221525A (en) * | 1991-04-26 | 1993-06-22 | N. A. Degerstrom, Inc. | Solvent extraction of gallium from acidic solutions containing phosphorus |
| US5284633A (en) * | 1992-11-12 | 1994-02-08 | Sherex Chemical Co., Inc. | Solvent extraction of precious metals with hydroxyquinoline and stripping with acidified thiourea |
| GB9406279D0 (en) * | 1994-03-30 | 1994-05-25 | Zeneca Ltd | Solvent extraction process |
| US6086769A (en) * | 1996-09-16 | 2000-07-11 | Commodore Separation Technologies, Inc. | Supported liquid membrane separation |
| CN1285809A (zh) | 1997-12-31 | 2001-02-28 | 康宁股份有限公司 | 玻璃生产系统废气流中含锗颗粒的捕集 |
| US6238462B1 (en) | 1999-07-14 | 2001-05-29 | Corning Incorporated | Methods for the separation of compounds from acidic aqueous solutions |
| RU2378402C2 (ru) * | 2008-01-21 | 2010-01-10 | Институт химии и химической технологии СО РАН (ИХХТ СО РАН) | Способ извлечения германия из сернокислых растворов |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637711A (en) * | 1968-03-25 | 1972-01-25 | Ashland Oil Inc | Beta-alkenyl substituted 8-hydroxyquinolines |
| LU67596A1 (de) * | 1973-05-14 | 1975-03-06 | ||
| US3971843A (en) * | 1974-07-12 | 1976-07-27 | Rhone-Poulenc Industries | Process for liquid/liquid extraction of gallium |
| CA1061574A (en) * | 1974-08-21 | 1979-09-04 | Gordon M. Ritcey | Solvent extraction recovery of metals using quinoline derivative |
| CA1069316A (en) * | 1975-04-01 | 1980-01-08 | Metallurgie Hoboken-Overpelt | Treatment of ores or metallurgical by-products containing arsenic and antimony |
| FR2365641A2 (fr) * | 1976-09-27 | 1978-04-21 | Rhone Poulenc Ind | Procede de recuperation du gallium de solutions tres basiques par extraction liquide/liquide |
| US4169130A (en) * | 1977-07-13 | 1979-09-25 | Rhone-Poulenc Industries | Liquid/liquid extraction of gallium values from highly basic aqueous solutions thereof |
| FR2411894A1 (fr) * | 1977-12-15 | 1979-07-13 | Rhone Poulenc Ind | Procede d'extraction du gallium |
| US4389379A (en) * | 1980-08-15 | 1983-06-21 | Societe Miniere Et Metallurgique De Penarroya | Process for selective liquid-liquid extraction of germanium |
| US4568526A (en) * | 1980-08-15 | 1986-02-04 | Societe Miniere Et Metallurgique De Penarroya | Process for selective liquid-liquid extraction of germanium |
| LU83449A1 (fr) * | 1981-06-22 | 1983-04-06 | Metallurgie Hoboken | Procede pour separer du germanium d'une solution aqueuse a l'aide d'un alpha-hydroxyoxime |
| LU83448A1 (fr) * | 1981-06-22 | 1983-04-06 | Metallurgie Hoboken | Procede pour separer du germanium d'une solution aqueuse |
| FR2532296B1 (fr) * | 1982-08-26 | 1985-06-07 | Rhone Poulenc Spec Chim | Procede d'extraction du gallium a l'aide d'hydroxyquinoleines substituees et de composes organophosphores |
| FR2532295A1 (fr) * | 1982-08-26 | 1984-03-02 | Rhone Poulenc Spec Chim | Procede d'extraction du gallium a l'aide d'hydroxyquinoleines substituees et de sulfates ou sulfonates substitues |
| JPS6042234A (ja) * | 1983-08-11 | 1985-03-06 | Mitsubishi Chem Ind Ltd | ガリウムの回収法 |
| CA1223125A (en) * | 1984-06-07 | 1987-06-23 | George P. Demopoulos | Direct recovery of precious metals by solvent extraction and selective removal |
| US4541861A (en) * | 1984-09-13 | 1985-09-17 | The Royal Institution For The Advancement Of Learning (Mcgill University) | Process for the production of cobalt, nickel and copper powders from chelating extractants |
| DE3508041A1 (de) * | 1985-03-07 | 1986-09-11 | Preussag Ag Metall, 3380 Goslar | Verfahren zur fluessig-fluessig-extraktion von gallium, germanium oder indium aus waessrigen loesungen |
-
1988
- 1988-01-18 LU LU87108A patent/LU87108A1/fr unknown
- 1988-12-21 DE DE8888121354T patent/DE3872373T2/de not_active Revoked
- 1988-12-21 ES ES198888121354T patent/ES2034145T3/es not_active Expired - Lifetime
- 1988-12-21 AT AT88121354T patent/ATE77656T1/de not_active IP Right Cessation
- 1988-12-21 US US07/287,143 patent/US4942023A/en not_active Expired - Lifetime
- 1988-12-21 EP EP88121354A patent/EP0324963B1/de not_active Expired - Lifetime
- 1988-12-29 CA CA000587277A patent/CA1337503C/en not_active Expired - Fee Related
-
1989
- 1989-01-03 IL IL88871A patent/IL88871A/xx unknown
- 1989-01-04 ZA ZA8949A patent/ZA8949B/xx unknown
- 1989-01-11 AU AU28386/89A patent/AU599277B2/en not_active Expired
- 1989-01-12 MA MA21713A patent/MA21472A1/fr unknown
- 1989-01-13 BR BR898900156A patent/BR8900156A/pt not_active Application Discontinuation
- 1989-01-17 MX MX014574A patent/MX169279B/es unknown
- 1989-01-18 FI FI890265A patent/FI90828C/fi not_active IP Right Cessation
- 1989-01-18 JP JP1009622A patent/JPH024929A/ja active Granted
- 1989-01-18 NO NO890229A patent/NO173105C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI90828C (fi) | 1994-04-11 |
| ES2034145T3 (es) | 1993-04-01 |
| IL88871A (en) | 1993-01-31 |
| NO173105B (no) | 1993-07-19 |
| EP0324963B1 (de) | 1992-06-24 |
| ZA8949B (en) | 1989-10-25 |
| IL88871A0 (en) | 1989-08-15 |
| NO890229L (no) | 1989-07-19 |
| US4942023A (en) | 1990-07-17 |
| CA1337503C (en) | 1995-11-07 |
| AU2838689A (en) | 1989-09-14 |
| NO890229D0 (no) | 1989-01-18 |
| DE3872373T2 (de) | 1993-01-21 |
| BR8900156A (pt) | 1989-09-12 |
| NO173105C (no) | 1993-10-27 |
| JPH0362773B2 (de) | 1991-09-27 |
| JPH024929A (ja) | 1990-01-09 |
| FI890265L (fi) | 1989-07-19 |
| DE3872373D1 (de) | 1992-07-30 |
| EP0324963A1 (de) | 1989-07-26 |
| FI90828B (fi) | 1993-12-31 |
| MX169279B (es) | 1993-06-28 |
| MA21472A1 (fr) | 1989-10-01 |
| ATE77656T1 (de) | 1992-07-15 |
| AU599277B2 (en) | 1990-07-12 |
| FI890265A0 (fi) | 1989-01-18 |
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