| Patents for B01D 11 - Solvent extraction (12,717) |
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| 04/24/1979 | US4151067 Granulation of oil shale, slurrying in water, emulsification with sonic energy, separation of emulsion |
| 04/24/1979 | US4150976 Method for the recovery of metallic copper |
| 04/17/1979 | CA1052585A1 Liquid ion exchange extraction of zinc |
| 04/17/1979 | CA1052582A1 Process for liquid/liquid extraction of gallium |
| 04/17/1979 | CA1052538A1 Apparatus for continuous liquid-liquid extraction of water with a solvent |
| 04/17/1979 | CA1052536A1 Dual temperature exchange systems |
| 04/10/1979 | US4148631 Stripping of cobalt from nickel-cobalt loaded organic |
| 04/03/1979 | US4147624 Wastewater treatment with desorbing of an adsorbate from an adsorbent with a solvent in the near critical state |
| 04/03/1979 | US4147293 Continuously operating solid-jacket counterflow centrifugal extractor |
| 04/03/1979 | CA1052019A1 Continuous process for extracting nitrates from nitrate-containing solutions |
| 04/03/1979 | CA1051827A1 Sink float apparatus for cleaning coal and methods usable therein which employ halogenated hydrocarbon parting liquids |
| 03/20/1979 | US4144895 To remove lipids from tobacco with an azeotrope of hydrocarbon fat solvent and lower alkanol; organoleptic |
| 03/20/1979 | CA1050768A1 Automatic leaching system for hydrometallurgical production of zinc |
| 03/13/1979 | US4144145 Process for recovery of reusable chromic acid from the waste chromic acid solution containing impurities |
| 03/13/1979 | CA1050279A1 Solvent extraction of copper |
| 03/06/1979 | US4142966 Flushing with phenol |
| 03/06/1979 | US4142952 Copper extraction with salicylaldoxime-p-nonylphenol mixtures |
| 03/06/1979 | CA1049935A1 Filter |
| 02/20/1979 | US4140587 Process for the separation of diolefins from mixtures containing the same |
| 02/20/1979 | CA1048738A1 Method of and apparatus for liquid extraction |
| 02/13/1979 | CA1048493A1 Centrifugal impeller type liquid-liquid mixer with means for forced recirculation |
| 02/06/1979 | CA1048040A1 Isolation of utero-evacuant substances from plant extracts |
| 01/30/1979 | CA1047258A1 Process for recovering copper from basic salt mixtures |
| 01/24/1979 | EP0000457A1 Process for the recovery of gallium from very basic solutions by liquid/liquid extraction. |
| 01/23/1979 | US4136065 Extraction method for odor and flavor producing ingredients of foods and flowers and products produced |
| 01/23/1979 | CA1046947A1 Rotary filter wash distributor |
| 12/12/1978 | US4129665 Process for the extraction of vegetable materials |
| 11/28/1978 | US4127388 Apparatus for contacting fused solid materials with solid, liquid or gaseous materials |
| 11/21/1978 | US4126551 Method and apparatus for handling solvent extraction crud |
| 11/21/1978 | CA1042834A1 Solvent for the separation of diolefins from mixtures containing the same |
| 11/14/1978 | US4125379 Apparatus for solvent extraction |
| 11/07/1978 | US4124528 Process for regenerating adsorbents with supercritical fluids |
| 11/07/1978 | US4124486 Conversion of asphaltene-containing charge stocks and product separation process |
| 11/07/1978 | US4124462 Solvent extraction |
| 11/07/1978 | CA1041738A1 Percolation columns |
| 10/17/1978 | US4120817 Carboxylic acid and a hydroxy-oxime |
| 10/17/1978 | US4120769 Aqueous ore leach solutions, recovering metal values; ion exchanging |
| 10/10/1978 | US4119539 Settling, agitation |
| 10/03/1978 | US4118313 Process and apparatus for mass transfer between heterogeneous systems |
| 10/03/1978 | CA1039751A1 Manufacture of polyols |
| 09/26/1978 | US4117092 Process for separating a phosphoric acid-solvent solution |
| 09/19/1978 | US4115530 Extraction with amines |
| 09/12/1978 | US4113649 Method for the solubilizing of alkali metal salts with polyethyleneglycoldiethers and the utilization thereof |
| 09/12/1978 | CA1038384A1 Process for the purification of caprolactam |
| 09/05/1978 | US4111660 Liquid-liquid extraction method and apparatus |
| 08/08/1978 | US4105742 Solvent extraction |
| 08/08/1978 | US4105741 Process for recovery of uranium from wet process phosphoric acid |
| 08/08/1978 | US4105442 Multistage; conversion with nitric acid to nitrosylruthenium complex, with hydrochloric acid to chloro complex, anion exchanging on resin |
| 08/01/1978 | US4104359 Treating with salt of hydroxylamine |
| 08/01/1978 | US4104079 Method of removing scale caused by raffinate in a phosphoric acid purification process |
| 07/18/1978 | US4101533 Cyclic carbonic acid esters as solvents for poly-(β-hydroxybutyric acid |
| 07/18/1978 | US4101415 Solvent deasphalting |
| 07/18/1978 | US4101408 Countercurrent extraction column for liquid-liquid extraction |
| 07/18/1978 | US4101285 Methods and apparatus for extracting juices from juice-laden solid materials |
| 07/11/1978 | US4100250 Selective precipitation of copper chlorides from aqueous solutions with unsaturated aliphatic hydrocarbons |
| 07/11/1978 | US4100016 Solvent pulping process |
| 06/27/1978 | US4097575 Roast-neutralization-leach technique for the treatment of laterite ore |
| 06/20/1978 | US4096057 Apparatus and method for recovery of bituminous products from tar sands |
| 06/06/1978 | US4092938 Sewing machine with programmable memory |
| 05/23/1978 | US4090957 System for separating soluble and insoluble coal products from a feed mixture |
| 05/09/1978 | US4088540 Solvent deasphalting apparatus |
| 05/02/1978 | US4086821 Drive assembly for the rotor of a solvent extractor |
| 04/25/1978 | US4086358 Purification of utero-evacuant extracts from plant substances |
| 04/25/1978 | US4086163 Liquid membrane emulsion |
| 04/18/1978 | US4085170 Bubbling, electrical spark discharge |
| 04/04/1978 | US4082836 Process for the purification of phosphoric acid by extraction |
| 04/04/1978 | US4082832 Treatment of raw materials containing titanium |
| 04/04/1978 | CA1029045A1 Extraction process of cycloaliphatic hydroperoxides |
| 03/28/1978 | US4081355 Solvent extraction |
| 03/28/1978 | US4081354 Liquid-liquid extraction process |
| 03/07/1978 | US4077769 Process for obtaining materials having low content of soluble elements for multiple applications |
| 02/07/1978 | US4072713 Method for separating tetraalkylammonium salts |
| 01/31/1978 | US4071611 Continuously leaching an ore column |
| 01/10/1978 | US4067802 Mono- or dialkyl phosphoric acid, metal chelation collector |
| 01/10/1978 | US4067616 Recovering bitumen with fluorochlorocarbon solvent |
| 12/27/1977 | US4065502 Certain β-diketones and the use thereof as metal extractants |
| 12/13/1977 | US4062697 Method and apparatus for countercurrent washing of particulate solids |
| 12/06/1977 | US4061566 Process using a supercritical fluid for regenerating synthetic organic polymeric adsorbents and wastewater treatment embodying the same |
| 11/22/1977 | US4059671 Or breeder materials |
| 11/22/1977 | US4059408 Automatic liquid-liquid extraction device |
| 11/15/1977 | US4058410 Counter-current leaching tower |
| 11/08/1977 | US4057224 Process and apparatus for directly contacting two counterflowing immiscible liquid phases |
| 11/01/1977 | US4056468 Isolation of component materials of aqueous solutions soluble in lipophilic solvents |
| 11/01/1977 | US4056466 Sludge, amine |
| 11/01/1977 | US4056363 Apparatus for the fabrication of pure alumina from Al2 O3 and silica containing raw materials by leaching with hydrochloric acid |
| 10/25/1977 | US4055492 Aminoalkanol |
| 10/25/1977 | US4055480 Multi-phase separation methods and apparatus |
| 10/11/1977 | US4053697 Process for producing propylene homopolymers and copolymers |
| 10/11/1977 | US4053552 Leaching, solvent extraction with an organo acid phosphate; hydrometallurgical purification |
| 09/27/1977 | US4051230 Porous membrane impregnated with organic chelating extractant, regeneration of chelating agent and release of metal cation by acid |
| 09/27/1977 | US4051113 Extraction of polylactams |
| 09/20/1977 | US4049386 Apparatus for extracting components of solids by means of a liquid |
| 09/13/1977 | US4048344 Preparation of tea extracts |
| 09/13/1977 | US4048282 Solvent extraction of copper with dilution of the organic phase |
| 09/06/1977 | US4046621 Process for treating a slurry of cellulosic material |
| 08/30/1977 | US4045332 Solvent extraction |
| 08/23/1977 | US4043882 Selective solvent extraction process for copper from nickel |
| 08/23/1977 | US4043760 Counter current decantation apparatus |
| 08/09/1977 | US4040958 Process for separating solids from high-boiling hydrocarbons in a plurality of separation stages |
| 08/09/1977 | US4040793 Apparatus for the purification of terephthalic acid dimethyl ester |