| Patents for B03D 1 - Flotation (8,101) |
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| 04/11/1989 | US4820406 Epoxide conditioner |
| 04/06/1989 | WO1989002900A1 Polysaccharides from the endosperm of seeds of prosopis juliflora, process for extracting them, and their use |
| 04/04/1989 | US4818377 Defrothing method and apparatus |
| 04/04/1989 | CA1252232A1 Flotation apparatus for concentration of minerals from high water content aqueous slurries |
| 03/28/1989 | US4816165 Liquid separating method |
| 03/28/1989 | CA1251874A1 Beneficiation of high carbonate phosphate rock |
| 03/22/1989 | EP0308288A2 Flotation apparatus |
| 03/21/1989 | US4814070 Froth flotation |
| 03/21/1989 | US4814069 Method of beneficiating phosphate ores |
| 03/15/1989 | EP0306559A1 Flotation device |
| 03/15/1989 | EP0116087B1 Process for producing high brightness clays utilizing magnetic beneficiation and calcining |
| 03/14/1989 | CA1251169A1 Strain cage for gravity flow system |
| 03/09/1989 | WO1989001816A1 Water clarification system adapted for removing particulate matter of greater than a predetermined size |
| 03/08/1989 | CN1031490A A collector agent and its manufacturing method and application |
| 03/07/1989 | US4810371 Process for fine coal cleaning |
| 03/01/1989 | CN2033300U Centrifugal water-wheel releasor for dissolved gas |
| 02/28/1989 | US4808301 Flotation depressants |
| 02/28/1989 | CA1250672A1 Mono- and dithioic esters; their preparation and uses |
| 02/23/1989 | WO1989001505A1 Process and installation for recovering reusable gas from waste through pyrolysis |
| 02/23/1989 | DE3727004A1 Verfahren und anlage zur rueckgewinnung von verwertbarem gas aus muell durch pyrolyse Method and system for the recovery of recyclable trash by pyrolysis gas from |
| 02/22/1989 | CN1031197A Sepn. of lead from polymetallic based sulfide ore of lead and zinc |
| 02/21/1989 | USRE32875 Process for the froth-flotation of a phosphate mineral from a phosphate-carbonate ore |
| 02/21/1989 | US4806234 Ore flotation |
| 02/16/1989 | DE3717947A1 Method and apparatus for concentrating substances from liquids |
| 02/14/1989 | US4804462 Basification, conditioning with fatty acid and fuel oil; flotation, removing silica and dolomite |
| 02/14/1989 | US4804461 Alkyl phosphate based collecting and foaming reagent |
| 02/14/1989 | US4804460 Column flotation |
| 02/08/1989 | EP0302166A1 Process for separating fillers from paper mill water circuits by flotation |
| 01/26/1989 | WO1989000457A1 Process for beneficiation of sulfide ores by froth flotation |
| 01/25/1989 | EP0183825B1 A composition and process for froth flotation of coal from raw coal |
| 01/25/1989 | CN1030535A Selective flocculation process for recovery of phosphate |
| 01/24/1989 | US4800017 Flotation mechanism |
| 01/11/1989 | EP0298392A2 Method and agents for obtaining minerals from sulphate ores by flotation |
| 01/10/1989 | USRE32827 Neutral hydrocarboxycarbonyl thionocarbamate sulfide collectors |
| 01/10/1989 | US4797559 Method and apparatus for controlling a flotation cell |
| 01/10/1989 | US4797550 Fiber optic detector for flotation cell processing |
| 01/10/1989 | US4797202 Metal sulfide ores, amino compounds |
| 01/03/1989 | US4795578 Primary amine and a nitrogen compound containing an anionic group as selective collectors |
| 01/03/1989 | US4795557 Apparatus for gas transfer and flotation for treating water to be purified |
| 12/28/1988 | EP0211834B1 Aeration installation |
| 12/27/1988 | US4793852 Using froth flotation collector |
| 12/15/1988 | WO1988009697A1 Liquid separator |
| 12/15/1988 | WO1988009696A1 Liquid separator |
| 12/14/1988 | CN87104013A Combined drug for performing froth flotation of zircon |
| 12/13/1988 | US4790944 Turbulence shearing of water, oil mixture; floating of impurit ies |
| 12/13/1988 | US4790932 N-alkyl and N-alkenyl aspartic acids as co-collectors for the flotation of non-sulfidic ores |
| 12/13/1988 | US4790931 Surfactant mixtures as collectors for the flotation of non-sulfidic ores |
| 12/13/1988 | CA1246479A1 Method for the beneficiation of oxidized coal |
| 12/06/1988 | US4789466 Contacting ores with ethylene oxide-propylene oxide fatty alcohol adduct and surfactants; aeration |
| 12/06/1988 | US4789392 Sulfide or carbonyl sulfide collectors |
| 12/01/1988 | WO1988009215A1 Flotation collecter and process for treating aqueous inorganic substance system |
| 12/01/1988 | DE3722277C1 Process and device for cleaning earth which has been contaminated, in particular by hydrocarbons |
| 11/30/1988 | EP0185732B1 A process for froth flotation of mineral values from ore |
| 11/24/1988 | DE3716012A1 Process for concentrating lead compounds |
| 11/23/1988 | CN88102289A Improved flotation mechanism |
| 11/23/1988 | CN87103290A Flotation machine for mineral-dressing |
| 11/22/1988 | USRE32786 Froth flotation, beneficiation of ores |
| 11/17/1988 | WO1988008754A1 Method for the froth flotation of coal |
| 11/17/1988 | WO1988008753A1 Method for the froth flotation of coal |
| 11/17/1988 | EP0291271A1 Method of purifying natural calcium carbonate ores |
| 11/17/1988 | EP0290901A1 Bicyclic decane-dicarboxylic acids, process for their preparation and their use as flotation agents |
| 11/17/1988 | EP0290550A1 Device for aerating fluids, in particular during flotation |
| 11/16/1988 | CN88102559A Method for froth flotation of coal |
| 11/16/1988 | CN88102555A Method for froth flotation of coal |
| 11/09/1988 | EP0290284A2 Method for the froth flotation of coal |
| 11/09/1988 | EP0290283A2 Method for the froth flotation of coal |
| 11/08/1988 | USRE32778 Frothers demonstrating enhanced recovery of coarse particles in froth floatation |
| 11/08/1988 | US4783263 Detoxification process |
| 11/03/1988 | DE3713439A1 Process and process arrangement for purifying water by controlled depressurisation flotation |
| 10/26/1988 | EP0190130B1 Device at flotation of fibre suspensions |
| 10/19/1988 | EP0287251A2 Improved flotation apparatus |
| 10/18/1988 | CA1243349A1 Method for measuring and adjusting electrochemical potential and/or component content in the process of treating valuable material |
| 10/12/1988 | CN87102448A Process for dressing copper oxide ore |
| 10/12/1988 | CN87102140A Flotation machine for separating mineral |
| 10/06/1988 | WO1988007591A1 Method for concentrating oxidized copper ore |
| 10/04/1988 | US4775627 Coal desulfurization using bacteria adaptation and bacterial modification of pyrite surfaces |
| 10/04/1988 | US4775463 Process for the flotation of phosphate mineral and an agent to be used in the flotation |
| 09/21/1988 | CN87101820A Preparation method of sulfomethylated derivative of lignin calcium sulfonate, a new dolomite depressant for phosphorus mineral floatation |
| 09/20/1988 | US4772398 Method for treatment of waste water and its apparatus |
| 09/20/1988 | US4772382 Collection emulsion mixture of secondary modified sulfonated fatty acid, tall oil fatty acid, anionic petroleum sulfonate and high molecular weight primary amine |
| 09/13/1988 | US4770767 Oxygen containing compound as conditioner |
| 09/07/1988 | EP0281029A2 Use of tricyclo-[5.3.1.0 2,6]-decene-3 derivatives as frothing agents in coal and mineral flotation |
| 08/18/1988 | DE3707905C1 Process and apparatus for flotation, in particular for waste water purification |
| 08/10/1988 | EP0277327A2 Injector |
| 08/10/1988 | CN87105202A Floatation of fluor spar |
| 08/09/1988 | US4762526 Process for deashing coal |
| 08/02/1988 | US4761223 Reaction product of polyhydroxy(cyclo)alkane with propylene oxide or propylene oxide and ethylene oxide |
| 07/27/1988 | EP0275626A2 Method for separation of minerals by froth flotation |
| 07/13/1988 | EP0274083A1 Reactor for flotation or treatment with gases |
| 07/12/1988 | US4756823 Particle separation |
| 07/06/1988 | EP0118546B1 Beneficiation of clays by froth flotation |
| 07/05/1988 | US4755285 Process for the froth-flotation of a phosphate mineral, and a reagent intended for use in the process |
| 07/05/1988 | CA1238918A1 Thiomides, their preparation and their uses |
| 06/23/1988 | DE3641940A1 Flotation cell |
| 06/22/1988 | EP0272107A2 Aeration apparatus |
| 06/22/1988 | CN87214114U Mixing tank driven by planetary cycloidal reducing pin gears |
| 06/22/1988 | CN87107426A Pressurized flotation modules and method for pressurized foam separation |
| 06/22/1988 | CN87107271A Alkyl sulfosuccinates based on propoxylated and propoxylated and ethoxylated fatty alcohols as collectors for flotation of non-sulfidic ores |
| 06/21/1988 | US4752399 Bubbling gases to creat turbulence, removal of oil from water surface |
| 06/21/1988 | US4752383 Bubble generator |