SE465359B - Foerfarande och samlarreagenskomposition foer skumflotation av sulfidmineral - Google Patents
Foerfarande och samlarreagenskomposition foer skumflotation av sulfidmineralInfo
- Publication number
- SE465359B SE465359B SE8503850A SE8503850A SE465359B SE 465359 B SE465359 B SE 465359B SE 8503850 A SE8503850 A SE 8503850A SE 8503850 A SE8503850 A SE 8503850A SE 465359 B SE465359 B SE 465359B
- Authority
- SE
- Sweden
- Prior art keywords
- collector
- flotation
- reagents
- ore
- reagent
- Prior art date
Links
- 239000003153 chemical reaction reagent Substances 0.000 title claims description 263
- 238000005188 flotation Methods 0.000 title claims description 147
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims description 33
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- 239000000203 mixture Substances 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims description 70
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- 239000002002 slurry Substances 0.000 claims description 50
- 230000008569 process Effects 0.000 claims description 48
- 239000004088 foaming agent Substances 0.000 claims description 41
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 31
- -1 N-ethoxycarbonyl-O-isoamylthionocarbamate Chemical compound 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 16
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 239000010953 base metal Substances 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 8
- NWQSDCVVCDBWDR-UHFFFAOYSA-N ethoxycarbonyloxy(2-methylpropyl)carbamothioic S-acid Chemical compound CCOC(=O)ON(CC(C)C)C(=O)S NWQSDCVVCDBWDR-UHFFFAOYSA-N 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 5
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- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 2
- SIMQOGQCJXQRIV-UHFFFAOYSA-N CC(C)CCN(C(=O)S)OC(=O)OC1=CC=CC=C1 Chemical compound CC(C)CCN(C(=O)S)OC(=O)OC1=CC=CC=C1 SIMQOGQCJXQRIV-UHFFFAOYSA-N 0.000 claims description 2
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- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
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- 239000010949 copper Substances 0.000 description 92
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- 239000011593 sulfur Substances 0.000 description 46
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- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 8
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- SRMBUOSQQRRJRV-UHFFFAOYSA-N ethyl ethoxycarbothioylsulfanylformate Chemical compound CCOC(=O)SC(=S)OCC SRMBUOSQQRRJRV-UHFFFAOYSA-N 0.000 description 7
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 5
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- 238000000576 coating method Methods 0.000 description 1
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- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 229960002126 creosote Drugs 0.000 description 1
- 150000001896 cresols Chemical class 0.000 description 1
- 125000000853 cresyl group Chemical group C1(=CC=C(C=C1)C)* 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- IXQDNZUPZZPYGA-UHFFFAOYSA-N ethoxy(propan-2-yl)carbamothioic S-acid Chemical compound CCON(C(C)C)C(=O)S IXQDNZUPZZPYGA-UHFFFAOYSA-N 0.000 description 1
- RIFGWPKJUGCATF-UHFFFAOYSA-N ethyl chloroformate Chemical compound CCOC(Cl)=O RIFGWPKJUGCATF-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 125000002346 iodo group Chemical group I* 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000007431 microscopic evaluation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GUDSVAAQCROZJY-UHFFFAOYSA-N o-(2-methylpropyl) carbamothioate Chemical compound CC(C)COC(N)=S GUDSVAAQCROZJY-UHFFFAOYSA-N 0.000 description 1
- FDWYBQLKMRRKBF-UHFFFAOYSA-N o-butyl carbamothioate Chemical compound CCCCOC(N)=S FDWYBQLKMRRKBF-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- DJXGJYCSPXRZAK-UHFFFAOYSA-N phenyl n-(sulfanylidenemethylidene)carbamate Chemical compound S=C=NC(=O)OC1=CC=CC=C1 DJXGJYCSPXRZAK-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- JQCYGFQLBRTPPL-UHFFFAOYSA-N propan-2-yl n-sulfanylidenecarbamate Chemical compound CC(C)OC(=O)N=S JQCYGFQLBRTPPL-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- RZFBEFUNINJXRQ-UHFFFAOYSA-M sodium ethyl xanthate Chemical compound [Na+].CCOC([S-])=S RZFBEFUNINJXRQ-UHFFFAOYSA-M 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- GNBVPFITFYNRCN-UHFFFAOYSA-M sodium thioglycolate Chemical compound [Na+].[O-]C(=O)CS GNBVPFITFYNRCN-UHFFFAOYSA-M 0.000 description 1
- 229940046307 sodium thioglycolate Drugs 0.000 description 1
- FLVLHHSRQUTOJM-UHFFFAOYSA-M sodium;2-methylpropoxymethanedithioate Chemical compound [Na+].CC(C)COC([S-])=S FLVLHHSRQUTOJM-UHFFFAOYSA-M 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- HIZCIEIDIFGZSS-UHFFFAOYSA-L trithiocarbonate Chemical compound [S-]C([S-])=S HIZCIEIDIFGZSS-UHFFFAOYSA-L 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 150000003739 xylenols Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/641,658 US4595493A (en) | 1984-08-17 | 1984-08-17 | Process for the flotation of base metal sulfide minerals in acid, neutral or mildly alkaline circuits |
US06/641,659 US4556482A (en) | 1984-08-17 | 1984-08-17 | Process for the flotation of base metal sulfide minerals in acid, neutral or mildly alkaline circuits |
US06/641,657 US4584097A (en) | 1984-08-17 | 1984-08-17 | Neutral hydrocarboxycarbonyl thionocarbamate sulfide collectors |
US06/641,660 US4556483A (en) | 1984-08-17 | 1984-08-17 | Neutral hydrocarboxycarbonyl thiourea sulfide collectors |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8503850D0 SE8503850D0 (sv) | 1985-08-16 |
SE8503850L SE8503850L (sv) | 1986-02-18 |
SE465359B true SE465359B (sv) | 1991-09-02 |
Family
ID=27505238
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8503850A SE465359B (sv) | 1984-08-17 | 1985-08-16 | Foerfarande och samlarreagenskomposition foer skumflotation av sulfidmineral |
SE8902752A SE467293B (sv) | 1984-08-17 | 1989-08-16 | Samlarreagenskomposition och skumflotationsfoerfarande foer anrikning av sulfidmalmer |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8902752A SE467293B (sv) | 1984-08-17 | 1989-08-16 | Samlarreagenskomposition och skumflotationsfoerfarande foer anrikning av sulfidmalmer |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS6157254A (zh) |
KR (1) | KR910003051B1 (zh) |
AU (2) | AU570131B2 (zh) |
BG (1) | BG60234B1 (zh) |
BR (1) | BR8503910A (zh) |
ES (2) | ES8701849A1 (zh) |
FI (1) | FI77169C (zh) |
GB (2) | GB2163068B (zh) |
SE (2) | SE465359B (zh) |
YU (1) | YU45737B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8527214D0 (en) * | 1985-11-05 | 1985-12-11 | British Petroleum Co Plc | Separation process |
GB2267852B (en) * | 1992-06-09 | 1995-12-06 | American Cyanamid Co | Improved metal recovery by flotation |
US7360656B2 (en) | 2005-12-16 | 2008-04-22 | Rohm And Haas Company | Method to improve the cleaner froth flotation process |
CN101757985B (zh) * | 2010-03-04 | 2013-04-10 | 中南大学 | 一种矿物浮选捕收剂 |
CN102516144B (zh) * | 2011-11-02 | 2014-11-05 | 中南大学 | 一种硫脲化合物及制备和其在金属矿浮选中的应用 |
JP7206150B2 (ja) * | 2019-03-29 | 2023-01-17 | Jx金属株式会社 | 銀とSiO2を含むスラリーからSiO2を除去する方法及び銀の精製方法 |
CN113751205A (zh) * | 2021-09-10 | 2021-12-07 | 紫金矿业集团股份有限公司 | 一种n-叔丁基酯类捕收剂及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1211041A (en) * | 1967-01-24 | 1970-11-04 | Egyt Gyogyszervegyeszeti Gyar | Thiocarbamide derivatives |
US3590996A (en) * | 1969-02-03 | 1971-07-06 | Dow Chemical Co | Floatation of sulfide ores |
US3590998A (en) * | 1969-02-03 | 1971-07-06 | Dow Chemical Co | Flotation of sulfide ores |
US3655657A (en) * | 1970-02-24 | 1972-04-11 | Du Pont | 2 1 4-benzothiadiazine-3-carbamic acid esters |
DE2301400C2 (de) * | 1973-01-12 | 1984-12-13 | Bayer Ag, 5090 Leverkusen | 0-Triazolyl-thionophosphor(phosphon)-säureester und -esteramide, Verfahren zu ihrer Herstellung und ihre Verwendung als Insektizide und Akarizide |
US3907854A (en) * | 1973-07-13 | 1975-09-23 | Minerec Corp | Dialkyl thionocarbamate method |
FR2285397A1 (fr) * | 1974-09-20 | 1976-04-16 | Roussel Uclaf | Nouveaux derives thiazoliques organophosphores, procede de preparation et application comme pesticides |
FR2308629A1 (fr) * | 1975-04-24 | 1976-11-19 | Roussel Uclaf | Nouveaux derives substitues du thiadiazole, leur procede de preparation et leur application comme herbicides |
GB2106804A (en) * | 1981-10-08 | 1983-04-20 | American Cyanamid Co | Process for the beneficiation of metal sulfides and collector combinations therefor |
-
1985
- 1985-08-06 GB GB08519737A patent/GB2163068B/en not_active Expired
- 1985-08-14 ES ES546173A patent/ES8701849A1/es not_active Expired
- 1985-08-16 FI FI853162A patent/FI77169C/fi not_active IP Right Cessation
- 1985-08-16 KR KR1019850005914A patent/KR910003051B1/ko not_active IP Right Cessation
- 1985-08-16 AU AU46262/85A patent/AU570131B2/en not_active Expired
- 1985-08-16 YU YU131485A patent/YU45737B/sh unknown
- 1985-08-16 BG BG071476A patent/BG60234B1/bg unknown
- 1985-08-16 SE SE8503850A patent/SE465359B/sv not_active IP Right Cessation
- 1985-08-16 BR BR8503910A patent/BR8503910A/pt not_active IP Right Cessation
- 1985-08-16 JP JP60179518A patent/JPS6157254A/ja active Granted
-
1986
- 1986-03-14 ES ES553035A patent/ES8706842A1/es not_active Expired
-
1987
- 1987-08-03 GB GB08718337A patent/GB2193660B/en not_active Expired
- 1987-12-10 AU AU82435/87A patent/AU594845B2/en not_active Expired
-
1989
- 1989-08-16 SE SE8902752A patent/SE467293B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES546173A0 (es) | 1986-12-16 |
FI77169B (fi) | 1988-10-31 |
JPS6157254A (ja) | 1986-03-24 |
ES553035A0 (es) | 1987-07-16 |
FI853162L (fi) | 1986-02-18 |
GB2193660A (en) | 1988-02-17 |
BG60234B1 (bg) | 1994-01-24 |
KR910003051B1 (ko) | 1991-05-17 |
ES8706842A1 (es) | 1987-07-16 |
AU570131B2 (en) | 1988-03-03 |
JPH0566182B2 (zh) | 1993-09-21 |
BR8503910A (pt) | 1986-05-27 |
GB8519737D0 (en) | 1985-09-11 |
SE8503850L (sv) | 1986-02-18 |
ES8701849A1 (es) | 1986-12-16 |
BG60234B2 (en) | 1994-01-18 |
FI853162A0 (fi) | 1985-08-16 |
YU45737B (sh) | 1992-07-20 |
KR860001615A (ko) | 1986-03-20 |
GB2163068B (en) | 1988-09-28 |
FI77169C (fi) | 1989-02-10 |
AU4626285A (en) | 1986-02-20 |
SE8902752L (sv) | 1989-08-16 |
SE8503850D0 (sv) | 1985-08-16 |
SE8902752D0 (sv) | 1989-08-16 |
SE467293B (sv) | 1992-06-29 |
GB8718337D0 (en) | 1987-09-09 |
GB2193660B (en) | 1988-09-28 |
YU131485A (en) | 1987-12-31 |
AU8243587A (en) | 1988-03-31 |
GB2163068A (en) | 1986-02-19 |
AU594845B2 (en) | 1990-03-15 |
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