SE453190B - Sett att framstella organiska ditiosyror samt anvendning derav som samlare vid flotation av malmer - Google Patents
Sett att framstella organiska ditiosyror samt anvendning derav som samlare vid flotation av malmerInfo
- Publication number
- SE453190B SE453190B SE8202315A SE8202315A SE453190B SE 453190 B SE453190 B SE 453190B SE 8202315 A SE8202315 A SE 8202315A SE 8202315 A SE8202315 A SE 8202315A SE 453190 B SE453190 B SE 453190B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- alkali metal
- solvent
- ether
- organic
- Prior art date
Links
- 239000002253 acid Substances 0.000 title claims description 34
- 238000005188 flotation Methods 0.000 title claims description 6
- 150000007513 acids Chemical class 0.000 title description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 15
- -1 thio compound Chemical class 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 239000011707 mineral Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 125000004119 disulfanediyl group Chemical group *SS* 0.000 claims description 7
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 239000012988 Dithioester Substances 0.000 claims description 6
- 150000001340 alkali metals Chemical class 0.000 claims description 6
- 125000005022 dithioester group Chemical group 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000004508 fractional distillation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000012429 reaction media Substances 0.000 claims description 3
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical group [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 12
- 239000011734 sodium Substances 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- ZEUUVJSRINKECZ-UHFFFAOYSA-N ethanedithioic acid Chemical compound CC(S)=S ZEUUVJSRINKECZ-UHFFFAOYSA-N 0.000 description 4
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 150000003573 thiols Chemical class 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 238000009835 boiling Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000007970 thio esters Chemical class 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XBEIANFIOZTEDE-UHFFFAOYSA-N 2-(benzenecarbonothioylsulfanyl)acetic acid Chemical compound OC(=O)CSC(=S)C1=CC=CC=C1 XBEIANFIOZTEDE-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- WZFUQSJFWNHZHM-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 WZFUQSJFWNHZHM-UHFFFAOYSA-N 0.000 description 1
- JVKRKMWZYMKVTQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JVKRKMWZYMKVTQ-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FANBESOFXBDQSH-UHFFFAOYSA-N Ethyladipic acid Chemical compound CCC(C(O)=O)CCCC(O)=O FANBESOFXBDQSH-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZGRWZUDBZZBJQB-UHFFFAOYSA-N benzenecarbodithioic acid Chemical compound SC(=S)C1=CC=CC=C1 ZGRWZUDBZZBJQB-UHFFFAOYSA-N 0.000 description 1
- BPOPGHPHBCLJOK-UHFFFAOYSA-N butanedithioic acid Chemical compound CCCC(S)=S BPOPGHPHBCLJOK-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002023 dithiocarboxylic acids Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- KJKWTZVPAOBIQS-UHFFFAOYSA-N ethyl dodecanedithioate Chemical compound CCCCCCCCCCCC(=S)SCC KJKWTZVPAOBIQS-UHFFFAOYSA-N 0.000 description 1
- KCOPWUJJPSTRIZ-UHFFFAOYSA-N ethyl ethanedithioate Chemical compound CCSC(C)=S KCOPWUJJPSTRIZ-UHFFFAOYSA-N 0.000 description 1
- KVWNBLWRKRPOEP-UHFFFAOYSA-N ethyl hexanedithioate Chemical compound CCCCCC(=S)SCC KVWNBLWRKRPOEP-UHFFFAOYSA-N 0.000 description 1
- UPMYUYREEGUGIX-UHFFFAOYSA-N ethyl pentanedithioate Chemical compound CCCCC(=S)SCC UPMYUYREEGUGIX-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- JNSHFQNVPXPDBO-UHFFFAOYSA-N methyl butanedithioate Chemical compound CCCC(=S)SC JNSHFQNVPXPDBO-UHFFFAOYSA-N 0.000 description 1
- PFWSEYMNCOMKDX-UHFFFAOYSA-N methyl ethanedithioate Chemical compound CSC(C)=S PFWSEYMNCOMKDX-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- MVCPDOUDYOUTKS-UHFFFAOYSA-N propanedithioic acid Chemical class CCC(S)=S MVCPDOUDYOUTKS-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C327/00—Thiocarboxylic acids
-
- 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
- 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
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8107629A FR2504131B1 (fr) | 1981-04-15 | 1981-04-15 | Procede de production de dithioacides organiques et leur application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8202315L SE8202315L (sv) | 1982-10-16 |
| SE453190B true SE453190B (sv) | 1988-01-18 |
Family
ID=9257456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8202315A SE453190B (sv) | 1981-04-15 | 1982-04-13 | Sett att framstella organiska ditiosyror samt anvendning derav som samlare vid flotation av malmer |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US4455262A (xx) |
| AU (2) | AU550886B2 (xx) |
| BR (1) | BR8202158A (xx) |
| CA (1) | CA1185263A (xx) |
| ES (1) | ES511384A0 (xx) |
| FI (1) | FI821311L (xx) |
| FR (1) | FR2504131B1 (xx) |
| IE (1) | IE53181B1 (xx) |
| PT (1) | PT74758B (xx) |
| SE (1) | SE453190B (xx) |
| ZA (1) | ZA822566B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2547302B1 (fr) * | 1983-06-10 | 1987-12-31 | Elf Aquitaine | Esters mono- et dithioiques, leurs preparation et applications |
| US4631203A (en) * | 1985-04-08 | 1986-12-23 | Rolf Schaefer | Latent imaging and developer system |
| US4784876A (en) * | 1986-12-31 | 1988-11-15 | Lynwood Graphics, Inc. | Sympathetic ink and developer system |
| US4883585A (en) * | 1988-10-27 | 1989-11-28 | Phillips Petroleum Company | Ore flotation and sulfenyl dithiocarbamates as agents for use therein |
| US4886595A (en) * | 1989-04-28 | 1989-12-12 | Establecimientos Industrales Quimicos Oxiquim S.A. | Process of froth flotation using a methylene bisxanthate as a collector reagent |
| US5087283A (en) * | 1990-01-02 | 1992-02-11 | Dixon Marvin P | Sympathetic ink for ink jet printer |
| DE19611565C1 (de) * | 1996-03-23 | 1997-07-10 | Blasberg Oberflaechentech | In Wasser schwerlösliche Metallsalze, Verfahren zur Herstellung derselben und ihre Verwendung als Glanzzusatz zur elektrolytischen Abscheidung von Metallen |
| US6126869A (en) * | 1998-07-15 | 2000-10-03 | Mobium Enterprises, Inc. | Solar blind optical filter |
| US6841695B2 (en) * | 2003-03-18 | 2005-01-11 | Rohmax Additives Gmbh | Process for preparing dithioesters |
| SG127854A1 (en) * | 2005-06-02 | 2006-12-29 | Rohm & Haas Elect Mat | Improved gold electrolytes |
| US20090104463A1 (en) | 2006-06-02 | 2009-04-23 | Rohm And Haas Electronic Materials Llc | Gold alloy electrolytes |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1510652A (en) * | 1922-04-01 | 1924-10-07 | Nc-scn | |
| US1788331A (en) * | 1927-05-04 | 1931-01-06 | Schafer Wilhelm | Concentration process for flotable substances as ores, coals, graphite, and the like |
| DE1001676B (de) * | 1953-08-04 | 1957-01-31 | Boehme Fettchemie Gmbh | Verfahren zur Herstellung von Kondensationsprodukten |
| FR2203810B1 (xx) * | 1972-10-21 | 1977-03-11 | Akzo Nv | |
| FR2337199A1 (fr) * | 1975-12-30 | 1977-07-29 | Ugine Kuhlmann | Procede de flottation de minerais |
| FR2399266A1 (fr) * | 1977-08-05 | 1979-03-02 | Rech Geolog Miniere | Procede de traitement de minerais phosphates en vue de la separation et de la valorisation des fines |
| SE436000B (sv) * | 1978-06-27 | 1984-11-05 | Elf Aquitaine | Forfarande for flotation av mineral |
| FR2458319A2 (fr) * | 1979-06-08 | 1981-01-02 | Elf Aquitaine | Nouveaux collecteurs pour la flottation des minerais |
| US4324654A (en) * | 1978-10-12 | 1982-04-13 | The Hanna Mining Company | Recovery of copper from copper oxide minerals |
-
1981
- 1981-04-15 FR FR8107629A patent/FR2504131B1/fr not_active Expired
-
1982
- 1982-04-13 ES ES511384A patent/ES511384A0/es active Granted
- 1982-04-13 SE SE8202315A patent/SE453190B/sv not_active IP Right Cessation
- 1982-04-13 US US06/368,037 patent/US4455262A/en not_active Expired - Fee Related
- 1982-04-14 IE IE863/82A patent/IE53181B1/en not_active IP Right Cessation
- 1982-04-14 BR BR8202158A patent/BR8202158A/pt not_active IP Right Cessation
- 1982-04-14 FI FI821311A patent/FI821311L/fi not_active Application Discontinuation
- 1982-04-14 PT PT74758A patent/PT74758B/pt not_active IP Right Cessation
- 1982-04-14 CA CA000400974A patent/CA1185263A/fr not_active Expired
- 1982-04-15 ZA ZA822566A patent/ZA822566B/xx unknown
- 1982-04-15 AU AU82654/82A patent/AU550886B2/en not_active Ceased
-
1984
- 1984-03-05 US US06/586,416 patent/US4521301A/en not_active Expired - Fee Related
-
1985
- 1985-08-30 AU AU46936/85A patent/AU4693685A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU4693685A (en) | 1986-01-30 |
| US4521301A (en) | 1985-06-04 |
| ES8302646A1 (es) | 1983-02-16 |
| IE820863L (en) | 1982-10-15 |
| ZA822566B (en) | 1983-02-23 |
| IE53181B1 (en) | 1988-08-17 |
| FR2504131B1 (fr) | 1988-03-04 |
| SE8202315L (sv) | 1982-10-16 |
| AU550886B2 (en) | 1986-04-10 |
| FR2504131A1 (fr) | 1982-10-22 |
| FI821311A0 (fi) | 1982-04-14 |
| AU8265482A (en) | 1982-10-21 |
| PT74758B (fr) | 1983-10-31 |
| FI821311L (fi) | 1982-10-16 |
| US4455262A (en) | 1984-06-19 |
| BR8202158A (pt) | 1983-03-29 |
| PT74758A (fr) | 1982-05-01 |
| ES511384A0 (es) | 1983-02-16 |
| CA1185263A (fr) | 1985-04-09 |
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