| Patents for B03D 1 - Flotation (8,101) |
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| 07/13/1982 | US4339331 Crosslinked starches as depressants in mineral ore flotation |
| 07/06/1982 | US4338216 Stabilization of aqueous tertiary di-β-hydroxy amine oxides |
| 07/06/1982 | US4338192 For a liquid purifier |
| 06/30/1982 | EP0054748A2 Process for the preparation of aqueous solutions of cationic organosilicium compounds |
| 06/29/1982 | US4337149 Promoters for use in the anionic circuit of froth flotation of mineral ores |
| 06/29/1982 | CA1126881A1 Tin flotation |
| 06/22/1982 | US4336136 System for processing soils contaminated by crude oils or other refined petroleum products |
| 06/22/1982 | CA1126285A1 Preparation of dialkyldithiophosphinates |
| 06/16/1982 | EP0053626A1 Flotation cell |
| 06/15/1982 | CA1125683A1 Microbiological production of novel biosurfactants |
| 06/01/1982 | US4332593 Process for beneficiating coal |
| 05/25/1982 | US4331534 Method of and arrangement for the de-inking of pulp suspensions |
| 05/25/1982 | CA1124084A1 Process for the selective separation of uranium from its accompanying metals and for its extraction |
| 05/18/1982 | US4330667 Organonitrogen polymers used for froth flotation |
| 05/18/1982 | US4330403 Apparatus for purifying polluted liquids |
| 05/18/1982 | US4330398 Flotation of phosphate ores with anionic agents |
| 05/18/1982 | US4330339 Lower alkanoic acid derivatives of a diethanolamine/fatty acid condensate |
| 05/11/1982 | US4329223 Flotation of molybdenite |
| 05/04/1982 | US4328107 Process and apparatus for forming dispersions |
| 05/04/1982 | US4328095 Flotation cells |
| 05/04/1982 | CA1123126A1 Separation of rutile from ilmenite |
| 04/20/1982 | US4325821 Amine oxide promoters for froth flotation of mineral ores |
| 04/13/1982 | US4324654 Atacamite/paratacamite, froth flotation, hydroxamate and xanthate chelating agents |
| 04/13/1982 | US4324653 Process for the treatment of phosphate ores with silico-carbonate gangue |
| 03/23/1982 | CA1120408A1 Apparatus for clarifying waste water |
| 03/16/1982 | US4319987 Branched alkyl ether amines as iron ore flotation aids |
| 03/16/1982 | CA1120162A1 Process for the selective froth-flotation of sulfidic, oxidic and salt-type minerals |
| 03/10/1982 | EP0047135A2 Flotation apparatus and method for achieving flotation in a centrifugal field |
| 03/09/1982 | CA1119735A1 Device for distribution of a gas in a liquid medium |
| 03/04/1982 | WO1982000602A1 Magnetic beneficiation of clays utilizing magnetic seeding and flotation |
| 03/02/1982 | US4317715 Process for the selective froth-flotation of phosphate and carbonate minerals from finely-divided phosphate-carbonate-silicate ores or concentrates |
| 03/02/1982 | US4317543 Process for separating copper and iron minerals from molybdenite |
| 03/02/1982 | CA1119321A1 Beneficiation and dewatering of slurries |
| 03/02/1982 | CA1119142A1 Method for brightening natural calcitic ores |
| 02/23/1982 | US4316797 Flotation agent and process |
| 02/23/1982 | CA1118917A1 Froth flotation of zinc sulfide |
| 02/17/1982 | EP0046070A2 A separator |
| 02/09/1982 | CA1118119A1 Froth flotation process |
| 02/02/1982 | US4313838 Preparation and use of xanthogen chloropropyl formate flotation reagents |
| 01/26/1982 | CA1116867A1 Process for beneficiating titaniferous material |
| 01/19/1982 | US4311595 Electrolysis, water treatment |
| 01/19/1982 | US4311584 Amine flotation of chromite from acidic pulps |
| 01/19/1982 | US4311240 Flotation apparatus |
| 01/19/1982 | CA1116412A1 Recovery of nickel and cobalt from leach slurries |
| 01/12/1982 | CA1116322A1 Apparatus for the treatment of impure liquids |
| 01/12/1982 | CA1116321A1 Froth flotation cell |
| 01/08/1982 | EP0034171A4 Amine oxide promoters for froth flotation of mineral ores. |
| 01/05/1982 | US4309282 Conditioning with a fatty acid and an anionic surfactant |
| 01/05/1982 | CA1115485A1 Process for removing humic matter from phosphoric acid solutions |
| 12/29/1981 | US4308214 Preparation of dialkyldithiophosphinates |
| 12/29/1981 | US4308133 Froth promotor for flotation of coal |
| 12/29/1981 | US4308132 Bituminous coal reagent and flotation process |
| 12/29/1981 | CA1115431A1 Selective flocculation for increased coal recovery by froth flotation |
| 12/24/1981 | WO1981003625A1 Flotation cell |
| 12/22/1981 | CA1114958A1 Flotation recovery of pyrochlor |
| 12/16/1981 | EP0041728A1 Flotation cell |
| 12/15/1981 | US4305815 Conditioner for flotation of oxidized coal |
| 12/08/1981 | US4304690 Detergents |
| 12/08/1981 | US4304596 Process for a sulfidizing pretreatment of the slag of pyrometallurgical processes in order to facilitate its further treatment |
| 12/08/1981 | US4304573 Process of beneficiating coal and product |
| 12/08/1981 | US4304358 Thermostatic mixing valve |
| 12/02/1981 | EP0040870A1 Process of treating a dust which contains zinc and lead and which is derived from an iron or steel making process |
| 12/01/1981 | US4303780 From an oxyalkylated polyamino compound and ures, removing oil from aqueous systems |
| 12/01/1981 | US4303204 Upgrading of bauxites, bauxitic clays, and aluminum mineral bearing clays |
| 12/01/1981 | CA1113259A1 Method of beneficiating phosphate ores |
| 11/24/1981 | US4301973 Froth flotation using isostearic acid |
| 11/24/1981 | CA1113043A1 Recovery of minerals from ultrabasic rocks |
| 11/17/1981 | US4301004 N-aminoethylpiperazine condensates for beneficiation of phosphate ore |
| 11/17/1981 | US4301003 Phosphate flotation with dibasic acids |
| 11/10/1981 | CA1112378A1 Flotation of deep mined coal with water-in-oil emulsions of sodium polyacrylate |
| 11/03/1981 | US4298708 Salt of pyrrolidonecarboxylic acid |
| 11/03/1981 | US4298169 Selective flocculation, magnetic separation, and flotation of ores |
| 10/21/1981 | EP0038076A1 Method for removing iron impurities from glass-making sand |
| 10/20/1981 | US4295962 Recovering copper by flotation using N-mercaptoalkyl amide depressant |
| 10/20/1981 | US4295878 Processes of iron segregation |
| 10/20/1981 | CA1111155A1 Ore beneficiation |
| 10/14/1981 | EP0037513A1 Flotation apparatus for deinking fibrous suspensions |
| 10/06/1981 | US4293406 Synergistic promoter combination for zinc sulfide ores |
| 10/06/1981 | US4293099 Recovery of silicon carbide whiskers from coked, converted rice hulls by froth flotation |
| 10/06/1981 | US4293097 Method for brightening natural calcitic ores |
| 09/29/1981 | CA1109892A1 Preparation and use of xanthogen chloropropyl formate flotation reagents |
| 09/22/1981 | US4290886 Benefication, coal dressing, wet refining |
| 09/22/1981 | CA1109401A1 Air-pressurized ultrafilter feeding concentrate to decanter |
| 09/16/1981 | EP0035812A1 Apparatus for the flotation of flocculated solid material in a liquid |
| 09/15/1981 | US4289613 Low molecular weight hydrolyzed polymers or copolymers as depressants in mineral ore flotation |
| 09/15/1981 | US4289612 Cationic flotation in two stages permitting improved recovery of phosphate values |
| 09/15/1981 | US4289609 Process for removing solid organic materials and other impurities from wet-process phosphoric acid |
| 09/09/1981 | EP0035243A2 Method and device for flotation |
| 09/08/1981 | US4288315 Benefication of fluorspar ores |
| 09/08/1981 | CA1108780A1 Ore dressing process |
| 09/01/1981 | US4287344 Useful as accelerators and vulcanization agents for rubbers, corrosion inhibitors for non-ferrous metals, flotation agents for waste water treatment, herbicides and insecticides |
| 09/01/1981 | US4287054 Flotation apparatus for concentration of minerals |
| 09/01/1981 | US4287053 Beneficiation of high carbonate phosphate ores |
| 09/01/1981 | US4287052 For beneficiating siliceous mineral ores |
| 09/01/1981 | CA1108317A1 Use of anionic surfactants to aid in coal/water separation |
| 08/26/1981 | EP0034171A1 Amine oxide promoters for froth flotation of mineral ores |
| 08/18/1981 | US4284499 Conditioning |
| 08/18/1981 | US4284244 Purification |
| 08/11/1981 | US4283357 Device for distribution of a gas in a liquid medium |
| 08/11/1981 | US4283277 Slurrying in sodium carbonate and sodium bicarbonate with a flotation collector |