NO813017L - Fremgangsmaate for ekstraksjon av edelmetaller fra konsentrater - Google Patents
Fremgangsmaate for ekstraksjon av edelmetaller fra konsentraterInfo
- Publication number
- NO813017L NO813017L NO813017A NO813017A NO813017L NO 813017 L NO813017 L NO 813017L NO 813017 A NO813017 A NO 813017A NO 813017 A NO813017 A NO 813017A NO 813017 L NO813017 L NO 813017L
- Authority
- NO
- Norway
- Prior art keywords
- concentrates
- extraction
- procedure
- precious metals
- precious
- Prior art date
Links
- 239000012141 concentrate Substances 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 239000010970 precious metal Substances 0.000 title 1
Classifications
-
- 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
- C22B3/34—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing sulfur, e.g. sulfonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G7/00—Compounds of gold
- C01G7/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/001—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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- 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
- C22B3/262—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds using alcohols or phenols
-
- 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
- C22B3/302—Ethers or epoxides
-
- 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
- C22B3/306—Ketones or aldehydes
-
- 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
- C22B3/32—Carboxylic acids
-
- 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
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8028662 | 1980-09-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO813017L true NO813017L (no) | 1982-03-08 |
NO156655B NO156655B (no) | 1987-07-20 |
NO156655C NO156655C (no) | 1987-10-28 |
Family
ID=10515869
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO813017A NO156655C (no) | 1980-09-05 | 1981-09-04 | Fremgangsmaate for ekstraksjon av edelmetaller fra konsentrater. |
NO813018A NO157382C (no) | 1980-09-05 | 1981-09-04 | Fremgangsmaate til i rekkefoelge og selektivt aa skille gull og platinagruppemetaller fra en vandig kloridholdig opploesning derav. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO813018A NO157382C (no) | 1980-09-05 | 1981-09-04 | Fremgangsmaate til i rekkefoelge og selektivt aa skille gull og platinagruppemetaller fra en vandig kloridholdig opploesning derav. |
Country Status (10)
Country | Link |
---|---|
US (2) | US4397689A (no) |
EP (2) | EP0049567B1 (no) |
JP (2) | JPS5779135A (no) |
AU (2) | AU542195B2 (no) |
BR (2) | BR8105636A (no) |
CA (2) | CA1177254A (no) |
DE (2) | DE3164884D1 (no) |
FI (2) | FI71340C (no) |
NO (2) | NO156655C (no) |
ZA (2) | ZA815733B (no) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6065730A (ja) * | 1983-09-19 | 1985-04-15 | Agency Of Ind Science & Technol | 廃触媒からルテニウムを回収する方法 |
CA1223125A (en) * | 1984-06-07 | 1987-06-23 | George P. Demopoulos | Direct recovery of precious metals by solvent extraction and selective removal |
US4722831A (en) * | 1985-08-26 | 1988-02-02 | Asarco Incorporated | Process for purifying silver refinery slimes |
US4723998A (en) * | 1985-11-29 | 1988-02-09 | Freeport Minerals Co | Recovery of gold from carbonaceous ores by simultaneous chlorine leach and ion exchange resin adsorption process |
ES2008044B3 (es) * | 1986-10-13 | 1990-04-16 | Austria Metall | Procedimiento hidrometalúrgico para la separación y la concentración de oro, platino y paladio, así como la extracción de selenio a partir del lodo anódico de la electrolísis de cobre y a partir de materias no metálicas similares. |
JP2685758B2 (ja) * | 1987-08-28 | 1997-12-03 | 田中貴金属工業株式会社 | ルテニウム中に含有されるオスミウムの除去方法 |
JPH02254126A (ja) * | 1989-03-28 | 1990-10-12 | Tanaka Kikinzoku Kogyo Kk | ルテニウムの回収方法 |
JPH02281697A (ja) * | 1989-04-21 | 1990-11-19 | Matsushita Electric Ind Co Ltd | 電子機器の筐体 |
USRE36990E (en) * | 1992-02-25 | 2000-12-19 | Zeneca Limited | Chemical process for the recovery of metal from an organic complex |
GB9303017D0 (en) * | 1992-02-25 | 1993-03-31 | Zeneca Ltd | Chemical process |
US5364452A (en) * | 1992-02-25 | 1994-11-15 | Cupertino Domenico C | Chemical process for the recovery of metal from an organic complex |
JPH0649555A (ja) * | 1992-08-04 | 1994-02-22 | N E Chemcat Corp | ロジウムの回収方法 |
JPH06180392A (ja) * | 1992-12-15 | 1994-06-28 | Power Reactor & Nuclear Fuel Dev Corp | 高レベル放射性廃液からルテニウムを分離回収する方法 |
JPH0653224U (ja) * | 1992-12-31 | 1994-07-19 | 川崎重工業株式会社 | 建設機械用のピラーレスキャビン |
JP2887036B2 (ja) * | 1993-01-19 | 1999-04-26 | 住友金属鉱山株式会社 | 核分裂生成貴金属の分離・精製方法 |
FR2705102B1 (fr) * | 1993-05-12 | 1995-08-11 | Rhone Poulenc Chimie | Procede de traitement de compositions contenant des metaux precieux et autres elements de valeur en vue de leur recuperation. |
CN1095164C (zh) * | 1994-06-07 | 2002-11-27 | 株式会社日立制作所 | 对多种运作模式进行选择后进行记录/再生的信息存储装置及其控制方法 |
US5491247A (en) * | 1994-11-14 | 1996-02-13 | Elf Atochem North America, Inc. | Preparation of a precious metal salt of a nonoxidizing acid by direct reaction |
JP3079034B2 (ja) * | 1996-05-27 | 2000-08-21 | 日鉱金属株式会社 | 白金の回収方法 |
JP3079035B2 (ja) * | 1996-05-27 | 2000-08-21 | 日鉱金属株式会社 | 金の回収方法 |
AT405841B (de) * | 1997-09-11 | 1999-11-25 | Prior Eng Ag | Verfahren zum aufarbeiten von edelmetallhaltigen materialien |
GB9918437D0 (en) * | 1999-08-05 | 1999-10-06 | Anglo American Platinum Corp | Separation of platinium group metals |
DE10000274C1 (de) * | 2000-01-05 | 2001-05-03 | Heraeus Gmbh W C | Verfahren zur Gewinnung von Osmium und Ruthenium aus Edelmetallkonzentraten |
DE10000275C1 (de) * | 2000-01-05 | 2001-05-03 | Heraeus Gmbh W C | Verfahren zur Abtrennung von Ruthenium aus Edelmetall-Lösungen |
DE10392375T5 (de) * | 2002-03-15 | 2005-06-30 | Mitsubishi Materials Corp. | Abtrennverfahren für Elemente der Platingruppe |
US6827837B2 (en) * | 2002-11-22 | 2004-12-07 | Robert W. Halliday | Method for recovering trace elements from coal |
JP3741117B2 (ja) * | 2003-09-26 | 2006-02-01 | 住友金属鉱山株式会社 | 白金族元素の相互分離方法 |
WO2005083131A1 (ja) * | 2004-02-27 | 2005-09-09 | National Institute Of Advanced Industrial Science And Technology | パラジウムの抽出剤及びパラジウムの分離回収方法 |
JP4188365B2 (ja) * | 2005-12-05 | 2008-11-26 | 日鉱金属株式会社 | ロジウムの回収方法 |
WO2007080648A1 (ja) * | 2006-01-13 | 2007-07-19 | Asaka Riken Co., Ltd. | 貴金属の分離回収方法 |
JP4268646B2 (ja) | 2007-03-30 | 2009-05-27 | 日鉱金属株式会社 | ロジウムの回収方法 |
JP5007983B2 (ja) * | 2007-06-26 | 2012-08-22 | 独立行政法人産業技術総合研究所 | 白金族金属の分離試薬及びそれを用いた白金族金属の分離回収方法 |
DE102008006796A1 (de) | 2008-01-30 | 2009-08-27 | W.C. Heraeus Gmbh | Verfahren zum Gewinnen von Ruthenium aus Ruthenium oder Rutheniumoxide enthaltenden Materialien oder rutheniumhaltigen Edelmetall-Erzkonzentraten |
US20110083531A1 (en) * | 2008-02-29 | 2011-04-14 | Australian Nuclear Science And Technology Organisation | Selective gold extraction from copper anode slime with an alcohol |
KR100876682B1 (ko) * | 2008-06-24 | 2009-01-07 | 한국지질자원연구원 | 귀금속 용해장치 |
JP5004103B2 (ja) * | 2009-01-29 | 2012-08-22 | Jx日鉱日石金属株式会社 | Tbp中のイリジウムを逆抽出する方法。 |
US7935173B1 (en) | 2010-07-23 | 2011-05-03 | Metals Recovery Technology Inc. | Process for recovery of precious metals |
AU2012201510B2 (en) * | 2011-03-18 | 2013-03-28 | Jx Nippon Mining & Metals Corporation | Method of recovering gold from dilute gold solution |
JP5767951B2 (ja) * | 2011-11-29 | 2015-08-26 | Jx日鉱日石金属株式会社 | イリジウムの回収方法 |
CA2857687C (en) | 2011-12-02 | 2019-07-09 | Stillwater Mining Company | Quantitative precious metals recovery in the presence of interfering metals, salts, and ions |
WO2014062289A1 (en) | 2012-10-19 | 2014-04-24 | Kennecott Utah Copper Llc | Process for the recovery of gold form anode slimes |
WO2014144805A1 (en) * | 2013-03-15 | 2014-09-18 | Anderson, Brian R. | Platinum group metal refining |
JP6320026B2 (ja) * | 2013-08-05 | 2018-05-09 | 三菱ケミカル株式会社 | 金属回収方法 |
RU2542181C1 (ru) * | 2013-08-06 | 2015-02-20 | Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) | Способ извлечения золота из солянокислого раствора |
KR101768694B1 (ko) * | 2015-09-23 | 2017-08-16 | 롯데케미칼 주식회사 | 폐유기용매의 정제 방법 |
CN106244820A (zh) * | 2016-08-29 | 2016-12-21 | 金川集团股份有限公司 | 一种氯压快速溶解复杂稀贵金属精矿的方法 |
US10648062B1 (en) | 2017-03-23 | 2020-05-12 | George Meyer | Strategic metal and mineral element ore processing using mixing and oxidant treatment |
RU2674371C1 (ru) * | 2017-11-03 | 2018-12-07 | Общество с ограниченной ответственностью "Сольвекс" | Экстрагент на основе частично фторированного триалкиламина и способ извлечения металлов и кислот из водно-солевых растворов |
CN109055774B (zh) * | 2018-09-13 | 2020-08-18 | 陈永福 | 一种从含有铂族金属离子的溶液中分离铂、钌和其它铂族金属氢氧化物的方法 |
CN110694300B (zh) * | 2019-10-23 | 2021-08-27 | 金川集团股份有限公司 | 一种铂钯高效萃取分离系统及其萃取分离的方法 |
US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB260451A (en) * | 1926-01-11 | 1926-11-04 | Arthur Gordon | Improvements in the recovery and refining of precious metals |
US2049488A (en) * | 1933-12-23 | 1936-08-04 | Standard Brands Inc | Extraction of osmium from ores and minerals |
US2945757A (en) * | 1956-11-02 | 1960-07-19 | Universal Oil Prod Co | Recovery of noble metals from catalytic composites |
DE1149912B (de) * | 1960-12-27 | 1963-06-06 | Licentia Gmbh | Verfahren zur Herstellung von Gold mit einem Reinheitsgrad von mindestens 99,9999% |
GB1090294A (en) * | 1963-09-19 | 1967-11-08 | Laporte Chemical | Recovery of palladium, platinum and gold |
US3238038A (en) * | 1964-08-07 | 1966-03-01 | Zareba Corp Ltd | Precious metal recovery |
FR1518305A (fr) * | 1966-04-14 | 1968-03-22 | Ajinomoto Kk | Procédé de récupération du rhodium à partir d'un mélange provenant d'une réaction catalysée par le rhodium |
ZA725490B (en) * | 1972-08-10 | 1973-09-26 | Swarsab Mining | Improvements in or relating to the separation and purification of platinum group metals and gold |
US3920789A (en) * | 1972-08-10 | 1975-11-18 | Swarsab Mining | Separation of pgm's from each other and from gold |
US3856912A (en) * | 1973-05-03 | 1974-12-24 | Universal Oil Prod Co | Recovery of platinum from deactivated catalysts |
GB1495931A (en) | 1973-12-07 | 1977-12-21 | Matthey Rustenburg Refines | Refining of metals |
GB1497535A (en) | 1973-12-13 | 1978-01-12 | Matthey Rustenburg Refines | Separation of palladium |
GB1497534A (en) * | 1973-12-13 | 1978-01-12 | Matthey Rustenburg Refines | Refining of metals |
GB1517270A (en) | 1974-06-12 | 1978-07-12 | Johnson Matthey Co Ltd | Recovery of precious metals from exhaust catalysts |
ZA745109B (en) | 1974-08-09 | 1976-03-31 | Nat Inst Metallurg | The separation of platinum group metals and gold |
US4002470A (en) | 1974-12-10 | 1977-01-11 | The Japan Carlit Co., Ltd. | Process for recovering ruthenium |
US4188362A (en) * | 1975-01-29 | 1980-02-12 | National Institute For Metallurgy | Process for the treatment of platinum group metals and gold |
US3935006A (en) * | 1975-03-19 | 1976-01-27 | The United States Of America As Represented By The Secretary Of The Interior | Process for eluting adsorbed gold and/or silver values from activated carbon |
ZA752093B (en) | 1975-04-03 | 1976-03-31 | Swarsab Mining | The separation and/or purification of precious metals |
ZA775358B (en) * | 1977-09-06 | 1979-04-25 | Nat Inst Metallurg | The recovery and purification of rhodium |
GB2013644B (en) | 1978-01-17 | 1982-09-22 | Matthey Rustenburg Refines | Solvent extraction |
GB2065092B (en) | 1979-12-17 | 1983-12-14 | Matthey Rustenburg Refines | Solvent extraction of platinum group metals |
-
1981
- 1981-08-19 ZA ZA815733A patent/ZA815733B/xx unknown
- 1981-08-19 ZA ZA815735A patent/ZA815735B/xx unknown
- 1981-08-19 AU AU74342/81A patent/AU542195B2/en not_active Ceased
- 1981-08-28 AU AU74733/81A patent/AU538364B2/en not_active Ceased
- 1981-08-28 EP EP81303955A patent/EP0049567B1/en not_active Expired
- 1981-08-28 DE DE8181303960T patent/DE3164884D1/de not_active Expired
- 1981-08-28 EP EP81303960A patent/EP0048103B1/en not_active Expired
- 1981-08-28 DE DE8181303955T patent/DE3163890D1/de not_active Expired
- 1981-09-01 US US06/298,356 patent/US4397689A/en not_active Expired - Lifetime
- 1981-09-01 US US06/298,355 patent/US4390366A/en not_active Expired - Lifetime
- 1981-09-03 FI FI812733A patent/FI71340C/fi not_active IP Right Cessation
- 1981-09-03 BR BR8105636A patent/BR8105636A/pt unknown
- 1981-09-03 BR BR8105637A patent/BR8105637A/pt unknown
- 1981-09-03 FI FI812734A patent/FI71341C/fi not_active IP Right Cessation
- 1981-09-04 NO NO813017A patent/NO156655C/no unknown
- 1981-09-04 NO NO813018A patent/NO157382C/no unknown
- 1981-09-04 CA CA000385224A patent/CA1177254A/en not_active Expired
- 1981-09-04 CA CA000385223A patent/CA1178063A/en not_active Expired
- 1981-09-05 JP JP56140220A patent/JPS5779135A/ja active Granted
- 1981-09-05 JP JP56140219A patent/JPS5782125A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
NO156655B (no) | 1987-07-20 |
EP0048103A1 (en) | 1982-03-24 |
JPS5779135A (en) | 1982-05-18 |
NO156655C (no) | 1987-10-28 |
EP0048103B1 (en) | 1984-07-18 |
NO157382C (no) | 1988-03-09 |
AU542195B2 (en) | 1985-02-14 |
CA1177254A (en) | 1984-11-06 |
US4390366A (en) | 1983-06-28 |
EP0049567A1 (en) | 1982-04-14 |
FI812734L (fi) | 1982-03-06 |
FI71341C (fi) | 1986-12-19 |
NO813018L (no) | 1982-03-08 |
AU538364B2 (en) | 1984-08-09 |
AU7434281A (en) | 1982-03-11 |
JPS5782125A (en) | 1982-05-22 |
BR8105636A (pt) | 1982-05-18 |
FI71340C (fi) | 1986-12-19 |
ZA815735B (en) | 1982-08-25 |
ZA815733B (en) | 1982-08-25 |
US4397689A (en) | 1983-08-09 |
FI812733L (fi) | 1982-03-06 |
EP0049567B1 (en) | 1984-05-30 |
NO157382B (no) | 1987-11-30 |
FI71341B (fi) | 1986-09-09 |
DE3164884D1 (en) | 1984-08-23 |
FI71340B (fi) | 1986-09-09 |
DE3163890D1 (en) | 1984-07-05 |
BR8105637A (pt) | 1982-05-18 |
AU7473381A (en) | 1982-03-11 |
CA1178063A (en) | 1984-11-20 |
JPH0130896B2 (no) | 1989-06-22 |
JPH0240614B2 (no) | 1990-09-12 |
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