CA1226381A - Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotation - Google Patents
Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotationInfo
- Publication number
- CA1226381A CA1226381A CA000480998A CA480998A CA1226381A CA 1226381 A CA1226381 A CA 1226381A CA 000480998 A CA000480998 A CA 000480998A CA 480998 A CA480998 A CA 480998A CA 1226381 A CA1226381 A CA 1226381A
- Authority
- CA
- Canada
- Prior art keywords
- fine coal
- coal
- collector
- froth flotation
- polyorganosiloxane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003245 coal Substances 0.000 title claims abstract description 119
- 238000009291 froth flotation Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 44
- 150000003254 radicals Chemical class 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 150000005840 aryl radicals Chemical class 0.000 claims abstract description 20
- -1 alkyl radical Chemical class 0.000 claims description 43
- 239000002002 slurry Substances 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 18
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229910018540 Si C Inorganic materials 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 125000005375 organosiloxane group Chemical group 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 abstract description 17
- 229920001451 polypropylene glycol Polymers 0.000 abstract description 12
- 238000005188 flotation Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000003250 coal slurry Substances 0.000 description 8
- 239000002283 diesel fuel Substances 0.000 description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 8
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 7
- 239000000839 emulsion Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 5
- 235000010446 mineral oil Nutrition 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000002802 bituminous coal Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000003350 kerosene Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical group CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 101100409194 Rattus norvegicus Ppargc1b gene Proteins 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012042 active reagent Substances 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010692 aromatic oil Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 150000001896 cresols Chemical class 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical group C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 125000006178 methyl benzyl group Chemical group 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 235000012773 waffles Nutrition 0.000 description 1
- 239000002023 wood Substances 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
- B03D1/008—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
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/016—Macromolecular compounds
-
- 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
- B03D1/0046—Organic compounds containing silicon
-
- 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
- B03D2203/04—Non-sulfide ores
- B03D2203/08—Coal ores, fly ash or soot
Landscapes
- Degasification And Air Bubble Elimination (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US615,433 | 1984-05-30 | ||
| US06/615,433 US4532032A (en) | 1984-05-30 | 1984-05-30 | Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1226381A true CA1226381A (en) | 1987-09-01 |
Family
ID=24465342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000480998A Expired CA1226381A (en) | 1984-05-30 | 1985-05-08 | Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4532032A (https=) |
| EP (1) | EP0164237B1 (https=) |
| JP (1) | JPS60261563A (https=) |
| AU (1) | AU570565B2 (https=) |
| CA (1) | CA1226381A (https=) |
| DE (1) | DE3581956D1 (https=) |
| ZA (1) | ZA853129B (https=) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526680A (en) * | 1984-05-30 | 1985-07-02 | Dow Corning Corporation | Silicone glycol collectors in the beneficiation of fine coal by froth flotation |
| US4857221A (en) * | 1986-05-14 | 1989-08-15 | Fospur Limited | Recovering coal fines |
| GB8611747D0 (en) * | 1986-05-14 | 1986-06-25 | Fospur Ltd | Recovering coal fines |
| US4859318A (en) * | 1987-10-16 | 1989-08-22 | Fospur Limited | Recovering coal fines |
| GB8726857D0 (en) * | 1987-11-17 | 1987-12-23 | Fospur Ltd | Froth floatation of mineral fines |
| US5443158A (en) * | 1992-10-02 | 1995-08-22 | Fording Coal Limited | Coal flotation process |
| US5379902A (en) * | 1993-11-09 | 1995-01-10 | The United States Of America As Represented By The United States Department Of Energy | Method for simultaneous use of a single additive for coal flotation, dewatering, and reconstitution |
| US6799682B1 (en) * | 2000-05-16 | 2004-10-05 | Roe-Hoan Yoon | Method of increasing flotation rate |
| JP4022595B2 (ja) * | 2004-10-26 | 2007-12-19 | コニカミノルタオプト株式会社 | 撮影装置 |
| AP2447A (en) * | 2005-02-04 | 2012-08-31 | Mineral And Coal Technologies Inc | Improving the seperation of diamond from gangue minerals |
| CN1302853C (zh) * | 2005-03-30 | 2007-03-07 | 平顶山天安煤业股份有限公司田庄选煤厂 | 一种双流态微泡浮选装置及其双流态微泡浮选方法 |
| CN101547754B (zh) * | 2006-12-11 | 2012-04-25 | 三井造船株式会社 | 煤灰中的未燃碳的除去方法 |
| US9731221B2 (en) * | 2011-05-25 | 2017-08-15 | Cidra Corporate Services, Inc. | Apparatus having polymer surfaces having a siloxane functional group |
| PE20142002A1 (es) * | 2011-05-25 | 2014-12-21 | Cidra Corporate Services Inc | Tecnicas para transportar perlas o burbujas sinteticas en una celda o columna de flotacion |
| GB201115823D0 (en) | 2011-09-13 | 2011-10-26 | Novel Polymer Solutions Ltd | Mineral processing |
| CN105750092A (zh) * | 2016-03-10 | 2016-07-13 | 徐州工程学院 | 一种新型选煤捕收剂及其制备方法 |
| CN110022983B (zh) | 2016-12-14 | 2022-03-01 | 埃科莱布美国股份有限公司 | 用于泡沫浮选的官能化硅氧烷 |
| CN107597446B (zh) * | 2017-08-31 | 2019-05-28 | 原平宏祥选煤科技有限公司 | 一种煤泥捕收剂 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2934208A (en) * | 1958-02-27 | 1960-04-26 | Saskatchewan Potash | Silicone reagent flotation |
| DE1156724B (de) * | 1958-10-01 | 1963-11-07 | Bayer Ag | Flotationsverfahren fuer sulfidische Erze |
| US3640385A (en) * | 1969-11-17 | 1972-02-08 | Ideal Basic Ind Inc | Reagents for beneficiating ores |
| SU582839A1 (ru) * | 1975-03-25 | 1977-12-05 | Магнитогорский горно-металлургический институт им.Г.И.Носова | Реагент-вспениватель дл флотации угл |
| SU650656A1 (ru) * | 1976-11-02 | 1979-03-05 | Магнитогорский Горнометаллургический Институт Им. Г.Н.Носова Министерства Высшего И Среднего Специального Образования Рсфср | Вспениватель дл флотации угл |
| SU652974A1 (ru) * | 1977-11-09 | 1979-03-25 | Иркутский политехнический институт | Вспениватель дл флотации полиметаллических руд |
| SU657855A1 (ru) * | 1977-12-22 | 1979-04-25 | Государственный Научно-Исследовательский И Проектный Институт По Обогощению Руд Цветных Металлов "Казмеханобр" | Дополнительный собиратель дл флотации благородных металлов |
| US4526680A (en) * | 1984-05-30 | 1985-07-02 | Dow Corning Corporation | Silicone glycol collectors in the beneficiation of fine coal by froth flotation |
-
1984
- 1984-05-30 US US06/615,433 patent/US4532032A/en not_active Expired - Fee Related
-
1985
- 1985-04-26 ZA ZA853129A patent/ZA853129B/xx unknown
- 1985-05-08 CA CA000480998A patent/CA1226381A/en not_active Expired
- 1985-05-21 DE DE8585303582T patent/DE3581956D1/de not_active Expired - Fee Related
- 1985-05-21 EP EP85303582A patent/EP0164237B1/en not_active Expired - Lifetime
- 1985-05-29 AU AU43124/85A patent/AU570565B2/en not_active Ceased
- 1985-05-29 JP JP60116308A patent/JPS60261563A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60261563A (ja) | 1985-12-24 |
| AU4312485A (en) | 1985-12-05 |
| US4532032A (en) | 1985-07-30 |
| DE3581956D1 (de) | 1991-04-11 |
| ZA853129B (en) | 1986-02-26 |
| AU570565B2 (en) | 1988-03-17 |
| EP0164237A3 (en) | 1988-01-07 |
| EP0164237A2 (en) | 1985-12-11 |
| JPH0146179B2 (https=) | 1989-10-06 |
| EP0164237B1 (en) | 1991-03-06 |
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