FI63442C - Extraktionsfoerfarande foer separering av en koboltprodukt somaer mycket ren fraon nickel ur vattenloesningar av kobolt oh nickel - Google Patents
Extraktionsfoerfarande foer separering av en koboltprodukt somaer mycket ren fraon nickel ur vattenloesningar av kobolt oh nickel Download PDFInfo
- Publication number
- FI63442C FI63442C FI801709A FI801709A FI63442C FI 63442 C FI63442 C FI 63442C FI 801709 A FI801709 A FI 801709A FI 801709 A FI801709 A FI 801709A FI 63442 C FI63442 C FI 63442C
- Authority
- FI
- Finland
- Prior art keywords
- cobalt
- extraction
- nickel
- process according
- magnesium
- Prior art date
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 122
- 239000010941 cobalt Substances 0.000 claims description 103
- 229910017052 cobalt Inorganic materials 0.000 claims description 103
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 103
- 239000000243 solution Substances 0.000 claims description 60
- 229910052759 nickel Inorganic materials 0.000 claims description 59
- 238000000605 extraction Methods 0.000 claims description 56
- 239000011777 magnesium Substances 0.000 claims description 52
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 48
- 229910052749 magnesium Inorganic materials 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 11
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims description 7
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- ZDFBXXSHBTVQMB-UHFFFAOYSA-N 2-ethylhexoxy(2-ethylhexyl)phosphinic acid Chemical compound CCCCC(CC)COP(O)(=O)CC(CC)CCCC ZDFBXXSHBTVQMB-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims description 2
- 159000000003 magnesium salts Chemical group 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 2
- 150000002681 magnesium compounds Chemical class 0.000 claims 2
- YHZUKKGGOYXZHV-UHFFFAOYSA-N 2-ethylhexoxy-(2-ethylhexyl)-oxophosphanium Chemical compound CCCCC(CC)CO[P+](=O)CC(CC)CCCC YHZUKKGGOYXZHV-UHFFFAOYSA-N 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 34
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 230000003472 neutralizing effect Effects 0.000 description 6
- KUGRPPRAQNPSQD-UHFFFAOYSA-N OOOOO Chemical compound OOOOO KUGRPPRAQNPSQD-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 239000013256 coordination polymer Substances 0.000 description 5
- 150000003863 ammonium salts Chemical group 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RRCYYLHJWRYWEI-UHFFFAOYSA-N OOOOOOOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOOOOOOO RRCYYLHJWRYWEI-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001334 alicyclic compounds Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000622 liquid--liquid extraction Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- -1 2-ethyl-1-hexyl Chemical group 0.000 description 1
- PLLBRTOLHQQAQQ-UHFFFAOYSA-N 8-methylnonan-1-ol Chemical compound CC(C)CCCCCCCO PLLBRTOLHQQAQQ-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 229910018663 Mn O Inorganic materials 0.000 description 1
- UIQWBVPFHHQZHH-UHFFFAOYSA-N OOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOO UIQWBVPFHHQZHH-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- LSSAUVYLDMOABJ-UHFFFAOYSA-N [Mg].[Co] Chemical compound [Mg].[Co] LSSAUVYLDMOABJ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- NVIVJPRCKQTWLY-UHFFFAOYSA-N cobalt nickel Chemical compound [Co][Ni][Co] NVIVJPRCKQTWLY-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002028 dodecanols Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical group 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/01—Preparation or separation 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
- C22B3/38—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
-
- 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)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI801709A FI63442C (fi) | 1980-05-27 | 1980-05-27 | Extraktionsfoerfarande foer separering av en koboltprodukt somaer mycket ren fraon nickel ur vattenloesningar av kobolt oh nickel |
| FR8109639A FR2483464B1 (fr) | 1980-05-27 | 1981-05-14 | Procede d'extraction de cobalt a faible teneur en nickel a partir de solutions aqueuses de cobalt et de nickel |
| DE19813119147 DE3119147A1 (de) | 1980-05-27 | 1981-05-14 | Fluessig-fluessig-extraktionsverfahren zum abtrennen in bezug auf nickel hochreinen kobaltproduktes aus kobalt und nickel enthaltenden waessrigen loesungen |
| PT73049A PT73049B (en) | 1980-05-27 | 1981-05-18 | An extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel |
| BE0/204853A BE888888A (fr) | 1980-05-27 | 1981-05-20 | Procede d'extraction de cobalt a faible teneur en nickel a partir de solutions aqueuses de cobalt et de nickel |
| ZA00813377A ZA813377B (en) | 1980-05-27 | 1981-05-20 | An extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel |
| SE8103283A SE453923B (sv) | 1980-05-27 | 1981-05-25 | Extraktionsforfarande for separering av en koboltprodukt, som er mycket ren fran nickel, ur vattenlosningar av kobolt och nickel |
| CA000378353A CA1170839A (en) | 1980-05-27 | 1981-05-26 | Extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel |
| NO811782A NO159733C (no) | 1980-05-27 | 1981-05-26 | Fremgangsmaate for separering av kobolt fra magnesium og nikkel ved ekstraksjon. |
| BR8103269A BR8103269A (pt) | 1980-05-27 | 1981-05-26 | Processo para a separacao de cobalto do magnesio e do niquel por extracao |
| ZW120/81A ZW12081A1 (en) | 1980-05-27 | 1981-05-26 | An extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel |
| MA19364A MA19155A1 (fr) | 1980-05-27 | 1981-05-27 | Procede d'extraction de cobalt a faible teneur en nickel a partir de solutions acqueuses de cobalt et de nickel . |
| CU8135466A CU35466A (en) | 1980-05-27 | 1981-05-27 | Extraction procedure to the separation of a co product top free of ni of aqueous solutions of ni and co |
| JP56079469A JPS57123834A (en) | 1980-05-27 | 1981-05-27 | Separation of cobalt from cobalt and nickel |
| FI813890A FI64652C (fi) | 1980-05-27 | 1981-12-04 | Extraktionfoerfarande foer separering av en koboltprodukt som aer mycket ren fraon nickel ur vattenloesningar av kobolt oc nickel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI801709A FI63442C (fi) | 1980-05-27 | 1980-05-27 | Extraktionsfoerfarande foer separering av en koboltprodukt somaer mycket ren fraon nickel ur vattenloesningar av kobolt oh nickel |
| FI801709 | 1980-05-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI801709A7 FI801709A7 (fi) | 1981-11-28 |
| FI63442B FI63442B (fi) | 1983-02-28 |
| FI63442C true FI63442C (fi) | 1983-06-10 |
Family
ID=8513513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI801709A FI63442C (fi) | 1980-05-27 | 1980-05-27 | Extraktionsfoerfarande foer separering av en koboltprodukt somaer mycket ren fraon nickel ur vattenloesningar av kobolt oh nickel |
Country Status (14)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157233A (ja) * | 1983-02-25 | 1984-09-06 | Nippon Mining Co Ltd | ニツケルとコバルトの抽出分離に用いる抽出剤及び該抽出剤を用いる方法 |
| US4671821A (en) * | 1983-08-26 | 1987-06-09 | Albright & Wilson Inc. | Extracting cobalt from aqueous solutions containing nickel with mono-ester of benzylphosphonic acid |
| US4619816A (en) * | 1985-11-21 | 1986-10-28 | American Cyanamid Company | Recovery of cobalt from ammoniacal solutions containing cobalt and nickel |
| US4956154A (en) * | 1988-03-09 | 1990-09-11 | Unc Reclamation | Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions |
| CN1035558C (zh) * | 1992-09-30 | 1997-08-06 | 中国科学技术大学 | 一种制备高纯镍盐的萃淋树脂置换萃取色谱法 |
| JP5881952B2 (ja) * | 2011-01-24 | 2016-03-09 | 住友金属鉱山株式会社 | 硫酸コバルトの製造方法 |
| WO2025003516A1 (en) | 2023-06-29 | 2025-01-02 | Umicore | Process for selectively extracting cobalt from an aqueous nickel-cobalt solution |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI51110C (fi) * | 1973-05-22 | 1976-10-11 | Outokumpu Oy | Tapa erottaa kobolttia(II) ja nikkeliä(II) neste-nesteuuttauksella |
| JPS5924168B2 (ja) * | 1977-05-14 | 1984-06-07 | 株式会社大八化学工業所 | 溶媒抽出法によるコバルトとニツケルの分離方法 |
| US4246240A (en) * | 1978-07-24 | 1981-01-20 | Nippon Mining Co., Ltd. | Process for separating cobalt and nickel from a solution containing cobalt and nickel |
| AU516800B2 (en) * | 1978-11-09 | 1981-06-25 | Nippon Mining Company Limited | Separation and recovery of cobalt by stripping |
-
1980
- 1980-05-27 FI FI801709A patent/FI63442C/fi not_active IP Right Cessation
-
1981
- 1981-05-14 DE DE19813119147 patent/DE3119147A1/de active Granted
- 1981-05-14 FR FR8109639A patent/FR2483464B1/fr not_active Expired
- 1981-05-18 PT PT73049A patent/PT73049B/pt unknown
- 1981-05-20 ZA ZA00813377A patent/ZA813377B/xx unknown
- 1981-05-20 BE BE0/204853A patent/BE888888A/fr unknown
- 1981-05-25 SE SE8103283A patent/SE453923B/sv not_active IP Right Cessation
- 1981-05-26 NO NO811782A patent/NO159733C/no unknown
- 1981-05-26 BR BR8103269A patent/BR8103269A/pt unknown
- 1981-05-26 ZW ZW120/81A patent/ZW12081A1/xx unknown
- 1981-05-26 CA CA000378353A patent/CA1170839A/en not_active Expired
- 1981-05-27 CU CU8135466A patent/CU35466A/es unknown
- 1981-05-27 MA MA19364A patent/MA19155A1/fr unknown
- 1981-05-27 JP JP56079469A patent/JPS57123834A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO811782L (no) | 1981-11-30 |
| PT73049A (en) | 1981-06-01 |
| NO159733C (no) | 1989-02-01 |
| CU35466A (en) | 1982-12-22 |
| NO159733B (no) | 1988-10-24 |
| FR2483464B1 (fr) | 1986-09-05 |
| FI801709A7 (fi) | 1981-11-28 |
| DE3119147A1 (de) | 1982-03-04 |
| ZW12081A1 (en) | 1982-09-15 |
| ZA813377B (en) | 1982-06-30 |
| PT73049B (en) | 1982-07-01 |
| SE8103283L (sv) | 1981-11-28 |
| BR8103269A (pt) | 1982-02-16 |
| FR2483464A1 (fr) | 1981-12-04 |
| SE453923B (sv) | 1988-03-14 |
| JPS57123834A (en) | 1982-08-02 |
| MA19155A1 (fr) | 1981-12-31 |
| CA1170839A (en) | 1984-07-17 |
| DE3119147C2 (enrdf_load_stackoverflow) | 1988-08-04 |
| BE888888A (fr) | 1981-09-16 |
| FI63442B (fi) | 1983-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: OUTOKUMPU OY |