Patents for B01D 11 - Solvent extraction (12,717) |
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07/18/1984 | EP0113378A1 Method of operating mixer/settler |
07/17/1984 | US4460549 Recovery of uranium from wet-process phosphoric acid |
07/17/1984 | CA1170839A1 Extraction process for the separation of a highly nickel-free cobalt product from aqueous solutions of cobalt and nickel |
07/11/1984 | EP0112978A1 Liquid distributor for a mass and heat exchange column |
07/04/1984 | EP0112684A1 Improved tray for liquid-contacting in an extraction zone |
07/03/1984 | US4457812 Preferential extraction of metal halide with nonmetal halide |
06/27/1984 | EP0112165A1 Extraction zone for liquid-liquid contacting |
06/27/1984 | EP0111732A2 Process for the preparation of raw materials from autumn leaves, its use and a device for carrying out the process |
06/19/1984 | US4455234 Continuous process, circulation |
06/19/1984 | US4455216 Deasphalting, solvent extraction |
06/12/1984 | US4454231 Method and device for mass transfer operation in immunoassays and other applications |
06/12/1984 | US4453832 Apparatus for trouble-free and continuous charging of extractors with extraction feedstock to be treated and with extractant or solvent |
06/12/1984 | CA1169003A1 Process of separating fine solids from oil |
06/12/1984 | CA1168836A1 Method and device for mass transport and separation through selective barriers |
06/05/1984 | US4452768 Treastment with a diorganyldithio phosphoric acid acid and adsorption |
05/29/1984 | US4451247 Continuous, completely jacketed, countercurrent centrifugal extractor |
05/29/1984 | CA1168028A1 Liquid-liquid contacting apparatus |
05/15/1984 | US4448669 Solvent extraction using supercritical temperature and pressure |
05/15/1984 | US4448208 Tobacco extractor |
05/08/1984 | US4447310 Production of distillates by the integration of supercritical extraction and gasification through methanol to gasoline |
05/01/1984 | CA1166429A1 Method and installation for the reverse mass exchange of two differing phases |
05/01/1984 | CA1166424A1 Production of alkali metal sulfates |
04/25/1984 | EP0106317A1 Purification of fluorinated lubricants free from hydrogen |
04/24/1984 | US4444729 Multistage column for countercurrent extraction of liquids |
04/24/1984 | CA1165980A1 Method for improving dissolution efficiency in gas- absorption and liquid extraction processes |
04/24/1984 | CA1165978A1 Process for production of high-purity iron oxide |
04/24/1984 | CA1165977A1 Purification process for gallium solutions |
04/17/1984 | US4443321 Supercritical solvent coal extraction |
04/17/1984 | CA1165534A1 Process for purifying a gallium solution by liquid/ liquid extraction using quaternary ammonium salts |
04/10/1984 | US4442071 Extraction of plutonium ions from aqueous sulfuric acid solutions with D2 EHPA or D2 EHPA/TOPO |
04/10/1984 | CA1165304A1 Cation-selective liquid membranes and their use |
04/04/1984 | EP0104947A2 Multiple particle washing system and method of use |
04/03/1984 | US4440633 Process for solvent deasphalting heavy hydrocarbon fractions |
03/27/1984 | US4439405 Method for varying the mixing time and proportions in the contacting of substantially immiscible liquids |
03/21/1984 | EP0103261A2 Continuous extraction of polyphenylene sulfide |
03/21/1984 | EP0103086A1 Diffuser assembly |
03/20/1984 | US4437939 Improved distillation of carbon dioxide by adding gases |
03/20/1984 | US4437938 Solvent extraction with super-critical carbon dioxide |
03/14/1984 | EP0102882A1 Process for extracting gallium using substituted hydroxyquinoleins and organophosphorous compounds |
03/13/1984 | US4436631 Centrifuging, collecting |
03/13/1984 | US4436625 Method for purification of cresidine sulfonic acid by solvent extraction |
03/13/1984 | CA1163447A1 Maintaining reductive strip efficiency in uranium recovery processes |
03/07/1984 | EP0102280A1 Process for extracting gallium using substituted hydroxyquinolines, and organic compounds having a sulfate or sulfonate group |
03/07/1984 | EP0101907A2 Countercurrent washing tower and countercurrent washing method using same |
03/06/1984 | US4435378 Process for removing extractable substances from carbon black |
03/06/1984 | US4435363 Nuclear fuel processing |
03/06/1984 | US4435293 Particle washing system and method of use |
03/06/1984 | CA1163089A1 Method and means for processing a solid gravel like material with a fluid |
02/29/1984 | EP0101639A2 Process for isolating saponins and flavonoids from leguminous plants |
02/28/1984 | US4434141 Leaching spent hydroprocessing catalysts |
02/28/1984 | US4434028 Solvent extraction |
02/28/1984 | US4434002 Process for production of high-purity metallic iron |
02/22/1984 | EP0101066A2 Liquid-spraying system |
02/21/1984 | US4433151 Oxy benzoic acid terminated polyether derivatives of 8-hydroxy quinolines |
02/21/1984 | CA1162403A1 Helical vibrating elevator for dissolution of nuclear fuel |
02/15/1984 | EP0100485A2 Process for the extraction of lecithin |
02/08/1984 | EP0099901A1 Extractor for the liquid/solid extraction of extractive materials from natural substances. |
02/07/1984 | US4430227 Method of concentrating aqueous solutions |
02/07/1984 | US4430216 High speed preparative countercurrent chromatography with a multiple layer coiled column |
02/07/1984 | CA1161630A1 Polyalkylene oxide with hydrotropic agent and amphipathic agent for breaking petroleum emulsion |
02/02/1984 | WO1984000310A1 Method of operating mixer/settler |
02/02/1984 | WO1984000309A1 Extraction method |
01/31/1984 | US4429049 Method for the analysis of organic pollutants |
01/31/1984 | US4428876 Solvent extraction, adsorption on resin |
01/31/1984 | US4428833 For transferring spent flakes from solvent extractor to desolventizer-toaster |
01/31/1984 | US4428798 Extraction and/or extractive distillation of low molecular weight alcohols from aqueous solutions |
01/24/1984 | US4427583 Protein production |
01/24/1984 | US4427571 Composition for stripping gold or silver from particulate materials |
01/24/1984 | CA1160976A1 Polarity gradient extraction method |
01/17/1984 | US4426361 Extraction zone tray |
01/17/1984 | US4426291 Solvent extraction of nitrated organic compounds from aqueous solutions |
01/17/1984 | CA1160587A1 Method and apparatus for extracting tar sands |
01/10/1984 | US4425236 Polysulfide |
01/10/1984 | CA1160058A1 Process of obtaining uranium and uranium compounds from phosphoric acid |
01/03/1984 | US4424131 Liquid-liquid extraction method and apparatus |
01/03/1984 | US4424081 Reconditioning soils contaminated by crude oils or other refined petroleum products |
12/27/1983 | US4422966 Using ethylene in super critical state |
12/27/1983 | US4422901 Apparatus for the continuous solvent extraction of bitumen from oil-bearing sand |
12/20/1983 | US4421649 Method and apparatus for enriching compounds of low water solubility from aqueous suspensions of substantially inorganic solid substances |
12/20/1983 | CA1158840A1 Counter current diffusion extractor |
12/20/1983 | CA1158839A1 Method and device for mass transfer operation in immunoassays and other applications |
12/06/1983 | US4419338 Liquid-liquid extraction |
12/06/1983 | CA1158024A1 Apparatus for continuous treatment of mixtures |
11/29/1983 | US4418221 Solvent extraction with a nitrogen containing heterocyclic compounds |
11/29/1983 | CA1157632A1 Mass transfer apparatus |
11/22/1983 | US4416859 Countercurrent solids-fluid contactor |
11/22/1983 | US4416858 Cylindrical rotor containing rings of buckets; non-turbulent mixing |
11/22/1983 | US4416764 Method and appratus for extracting tar sand |
11/22/1983 | CA1157419A1 Process and apparatus for separating organic liquid solutes from their solvent mixtures |
11/15/1983 | CA1157001A1 Method of manufacturing superficially hydrophilized filling bodies for interphase mass and/or heat exchange units |
11/09/1983 | EP0093320A2 Process for the extraction of onium salts from process and waste waters |
11/09/1983 | EP0093215A1 Liquid distribution device |
11/08/1983 | US4414108 Centrifuge system |
11/01/1983 | US4412976 Adjustable wheel assembly in a rotary solvent extractor |
10/25/1983 | US4411923 Process for the extraction of caffeine from super-critical solutions |
10/18/1983 | US4410498 Acid leaching of nickel from serpentinic laterite ores |
10/18/1983 | CA1155403A1 Treatment apparatus |
10/13/1983 | WO1983003425A1 Supercritical co2 extraction of lipids from lipid-containing materials |
10/04/1983 | US4407780 Reductive stripping of uranium values from wet-process phosphoric acid |
10/04/1983 | US4407703 Multistage distillation and solvent extraction; energy efficient |