FI71342C - Foerfarande foer aotervinning av bly och silver ur mineraler och processrester - Google Patents
Foerfarande foer aotervinning av bly och silver ur mineraler och processrester Download PDFInfo
- Publication number
- FI71342C FI71342C FI811847A FI811847A FI71342C FI 71342 C FI71342 C FI 71342C FI 811847 A FI811847 A FI 811847A FI 811847 A FI811847 A FI 811847A FI 71342 C FI71342 C FI 71342C
- Authority
- FI
- Finland
- Prior art keywords
- lead
- silver
- chloride
- process according
- solution
- Prior art date
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 58
- 229910052709 silver Inorganic materials 0.000 title claims description 56
- 239000004332 silver Substances 0.000 title claims description 56
- 239000011133 lead Substances 0.000 claims description 104
- 238000000034 method Methods 0.000 claims description 54
- 239000000243 solution Substances 0.000 claims description 43
- 239000004571 lime Substances 0.000 claims description 40
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 39
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 39
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 36
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 31
- 239000012267 brine Substances 0.000 claims description 29
- 239000002244 precipitate Substances 0.000 claims description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 239000011780 sodium chloride Substances 0.000 claims description 22
- HWSZZLVAJGOAAY-UHFFFAOYSA-L lead(II) chloride Chemical compound Cl[Pb]Cl HWSZZLVAJGOAAY-UHFFFAOYSA-L 0.000 claims description 19
- 239000011701 zinc Substances 0.000 claims description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 17
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 16
- 239000001110 calcium chloride Substances 0.000 claims description 16
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 16
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 claims description 16
- 238000007792 addition Methods 0.000 claims description 15
- 239000011575 calcium Substances 0.000 claims description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 14
- 229910052791 calcium Inorganic materials 0.000 claims description 14
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 150000001805 chlorine compounds Chemical class 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 10
- 229940100890 silver compound Drugs 0.000 claims description 10
- 150000003379 silver compounds Chemical class 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 claims description 6
- 229910000464 lead oxide Inorganic materials 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 2
- 239000010909 process residue Substances 0.000 claims description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 2
- 229920006395 saturated elastomer Polymers 0.000 claims 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 claims 1
- 229910001504 inorganic chloride Inorganic materials 0.000 claims 1
- 229910001629 magnesium chloride Inorganic materials 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 45
- 239000000047 product Substances 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000011084 recovery Methods 0.000 description 16
- 235000011148 calcium chloride Nutrition 0.000 description 13
- 239000012141 concentrate Substances 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000000292 calcium oxide Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 7
- 238000005188 flotation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 101100010166 Mus musculus Dok3 gene Proteins 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 2
- 229910052946 acanthite Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052981 lead sulfide Inorganic materials 0.000 description 2
- 229940056932 lead sulfide Drugs 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 2
- 229910000367 silver sulfate Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- DAUZTQIUPGRAFV-UHFFFAOYSA-N [Ag]=S.[Cu].[Zn] Chemical compound [Ag]=S.[Cu].[Zn] DAUZTQIUPGRAFV-UHFFFAOYSA-N 0.000 description 1
- VAEJJMYYTOYMLE-UHFFFAOYSA-N [O].OS(O)(=O)=O Chemical compound [O].OS(O)(=O)=O VAEJJMYYTOYMLE-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012777 commercial manufacturing Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000013615 primer Substances 0.000 description 1
- 239000002987 primer (paints) Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- -1 smelters Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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
- C22B11/00—Obtaining noble metals
-
- 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
- C22B13/00—Obtaining lead
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA354083 | 1980-06-16 | ||
| CA000354083A CA1156048A (en) | 1980-06-16 | 1980-06-16 | Process for the recovery of lead and silver from minerals and process residues |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI811847L FI811847L (fi) | 1981-12-17 |
| FI71342B FI71342B (fi) | 1986-09-09 |
| FI71342C true FI71342C (fi) | 1986-12-19 |
Family
ID=4117190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI811847A FI71342C (fi) | 1980-06-16 | 1981-06-12 | Foerfarande foer aotervinning av bly och silver ur mineraler och processrester |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0042702B1 (enrdf_load_stackoverflow) |
| JP (1) | JPS5729541A (enrdf_load_stackoverflow) |
| AU (1) | AU549357B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1156048A (enrdf_load_stackoverflow) |
| DE (1) | DE3166293D1 (enrdf_load_stackoverflow) |
| ES (1) | ES502948A0 (enrdf_load_stackoverflow) |
| FI (1) | FI71342C (enrdf_load_stackoverflow) |
| IE (1) | IE52179B1 (enrdf_load_stackoverflow) |
| PT (1) | PT73185B (enrdf_load_stackoverflow) |
| ZA (1) | ZA813982B (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5046263B2 (ja) * | 2005-06-24 | 2012-10-10 | 株式会社吉野工業所 | 液注出容器のキャップ |
| JP4781794B2 (ja) * | 2005-11-28 | 2011-09-28 | キユーピー株式会社 | 注出容器 |
| CN101994007B (zh) * | 2009-08-28 | 2012-08-15 | 沈阳有色金属研究院 | 用氯化镁从废铅酸蓄电池膏泥中脱硫的方法 |
| EP3049542B1 (en) | 2013-09-27 | 2019-08-14 | Técnicas Reunidas, S.A. | Process for the selective recovery of lead and silver |
| CN104789790B (zh) * | 2015-04-08 | 2016-08-17 | 吉林吉恩镍业股份有限公司 | 尼尔森重选含铅金精矿无铅化冶炼工艺 |
| CN109022817A (zh) * | 2018-07-27 | 2018-12-18 | 郴州雄风环保科技有限公司 | 高氯铅银渣脱氯的新工艺 |
| CN112442602A (zh) * | 2020-10-09 | 2021-03-05 | 超威电源集团有限公司 | 一种废旧铅膏回收方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1434085A (en) * | 1920-01-02 | 1922-10-31 | Niels C Christensen | Process of treating ores with chloride solutions |
| US1745945A (en) * | 1924-01-08 | 1930-02-04 | Us Smelting Refining & Mining | Process of treating ores or analogous materials |
| GB365964A (en) * | 1930-06-17 | 1932-01-28 | Paul Gamichon | Process for converting into soluble salts lead and other metals contained in lead bearing ores |
| US3477928A (en) * | 1966-03-28 | 1969-11-11 | Cerro Corp | Process for the recovery of metals |
| DE2500453A1 (de) * | 1975-01-08 | 1976-07-15 | Duisburger Kupferhuette | Verfahren zur gewinnung von werkblei |
| SE8004425L (sv) * | 1980-03-24 | 1980-12-21 | Asua Ind Quim | Forfarande for modifiering av silver- och blyhaltiga aterstoder |
-
1980
- 1980-06-16 CA CA000354083A patent/CA1156048A/en not_active Expired
-
1981
- 1981-06-11 ES ES502948A patent/ES502948A0/es active Granted
- 1981-06-12 FI FI811847A patent/FI71342C/fi not_active IP Right Cessation
- 1981-06-12 ZA ZA813982A patent/ZA813982B/xx unknown
- 1981-06-12 IE IE1310/81A patent/IE52179B1/en not_active IP Right Cessation
- 1981-06-12 PT PT73185A patent/PT73185B/pt unknown
- 1981-06-12 EP EP81302614A patent/EP0042702B1/en not_active Expired
- 1981-06-12 DE DE8181302614T patent/DE3166293D1/de not_active Expired
- 1981-06-15 AU AU71846/81A patent/AU549357B2/en not_active Ceased
- 1981-06-16 JP JP9294681A patent/JPS5729541A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5729541A (en) | 1982-02-17 |
| IE811310L (en) | 1981-12-16 |
| PT73185B (en) | 1982-07-16 |
| FI71342B (fi) | 1986-09-09 |
| AU7184681A (en) | 1981-12-24 |
| PT73185A (en) | 1981-07-01 |
| IE52179B1 (en) | 1987-08-05 |
| JPS6352094B2 (enrdf_load_stackoverflow) | 1988-10-18 |
| DE3166293D1 (en) | 1984-10-31 |
| ES8301284A1 (es) | 1982-11-16 |
| AU549357B2 (en) | 1986-01-23 |
| CA1156048A (en) | 1983-11-01 |
| FI811847L (fi) | 1981-12-17 |
| ES502948A0 (es) | 1982-11-16 |
| EP0042702A1 (en) | 1981-12-30 |
| EP0042702B1 (en) | 1984-09-26 |
| ZA813982B (en) | 1982-08-25 |
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