| Patents for B01D 11 - Solvent extraction (12,717) |
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| 03/08/1990 | WO1990001979A1 Pool chemical dispenser |
| 03/07/1990 | EP0356863A2 Process for the separation of cyclohexanol |
| 03/07/1990 | EP0356854A2 Treatment of inorganic salts contaminated with organic compounds |
| 03/07/1990 | EP0356476A1 Process and device for continuous separation of a material mixture |
| 02/28/1990 | EP0356338A1 Method and device for the solvant extraction especially of solids |
| 02/28/1990 | EP0356165A1 Removal of lipids from foodstuffs |
| 02/28/1990 | EP0356136A2 A method for neutralizing sulfuric acid containing zinc ion |
| 02/28/1990 | EP0356030A2 A method of enhanced solvent Extraction and apparatus therefor |
| 02/28/1990 | EP0355159A1 Mixing-settling apparatus for liquid-liquid extraction |
| 02/27/1990 | US4904396 Extraction apparatus and process |
| 02/21/1990 | EP0355045A2 Composition comprising a macrocyclic compound and an organic acid and its use in metal extraction |
| 02/14/1990 | EP0354588A1 Catalytic metal recovery from nonpolar organic solutions |
| 02/14/1990 | EP0354243A1 Process for concentrating and purifying alchohol |
| 02/13/1990 | US4900430 Screen cleaning in CIL and CIP systems |
| 02/07/1990 | EP0353848A1 Mixing apparatus |
| 02/07/1990 | EP0353728A2 Improved process of extraction of amino acids from aqueous solutions thereof |
| 02/06/1990 | US4898963 Treatment with water-soluble organic amines in organic solvents |
| 02/06/1990 | US4898673 Dynamic supercritical fluid extraction system |
| 02/06/1990 | CA1265635A1 Water soluble polymers |
| 02/06/1990 | CA1265503A1 Composition and use of the composition for the extraction of metals from aqueous solutions |
| 01/30/1990 | US4897193 Quantitative separation; immunoassays |
| 01/24/1990 | EP0351629A2 Process and device for separating and keeping various solvents separated |
| 01/24/1990 | EP0179870B1 Separation of dispersed phase from continuous phase |
| 01/23/1990 | US4895930 Process for isolating polyarylene sulphides |
| 01/17/1990 | EP0350788A1 Sealing structure of pressure container |
| 01/17/1990 | CN1038775A Mixing-type precipitating apparatus of liquid-liqud extraction |
| 01/16/1990 | US4894357 Process for adjusting the structural and/or surface character of oxides |
| 01/16/1990 | CA1264409A1 Extractor apparatus |
| 01/11/1990 | EP0343233A4 Supercritical fluid reverse micelle separation. |
| 01/03/1990 | EP0200150B1 Tea decaffeination process |
| 01/03/1990 | CN1006275B Technique and equipment for pollen gronule wall fragmenting |
| 01/02/1990 | CA1264121A1 Method and blank for the manufacture of high efficiency open volumed packing bodies |
| 12/27/1989 | EP0347617A2 Pressure vessel |
| 12/26/1989 | US4889921 Solvent extraction |
| 12/20/1989 | CN1038027A Process for retention of oil component from leaching powder of herb medicine |
| 12/19/1989 | US4887799 Apparatus for treatment of ore particles |
| 12/12/1989 | US4886598 Liquid membrane coated ion-exchange column solids |
| 12/06/1989 | EP0344256A1 Apparatus and method for waste disposal |
| 12/05/1989 | US4885098 Vibrating bar immersed in liquid aids agglomeration, settling |
| 12/05/1989 | CA1263665A1 Copolymerizable ethylenically unsaturated surfactants for latex preparation |
| 12/05/1989 | CA1263539A1 Process for the separation of indium from acidic solutions containing it |
| 12/05/1989 | CA1263519A2 Apparatus for liquid co2/cosolvent extraction |
| 11/29/1989 | EP0343802A1 Rotary centrifugal contactor |
| 11/29/1989 | EP0343233A1 Supercritical fluid reverse micelle separation. |
| 11/29/1989 | CN2048390U Reinforced box type mixing and clarifying extraction device |
| 11/28/1989 | US4883595 Solvent extraction of sodium borohydride |
| 11/28/1989 | US4883532 Using oscilator to produce cycloidal resonant wave vibration |
| 11/23/1989 | EP0342799A2 A method of solvent extraction and apparatus therefor |
| 11/21/1989 | US4882134 Recovery of hydrogen fluoride from an aqueous solution containing ammonium fluoride and hydrogen fluoride |
| 11/21/1989 | US4881574 Enclosed rotary disc air pulser |
| 11/15/1989 | EP0341280A1 Process for removing hazardous substances from water or air. |
| 11/07/1989 | US4879042 Method of crystallizing salts from aqueous solutions |
| 11/07/1989 | US4879037 Method and apparatus for counter current liquid-liquid extraction |
| 11/07/1989 | US4879004 Process for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents |
| 11/07/1989 | EP0252124A4 Brittle grinding and extraction of animal and plant derived materials. |
| 11/02/1989 | DE3912613A1 Verfahren und vorrichtung fuer die mehrstufige, zyklisch kontinuierliche gegenstromkontaktierung einer fluessigphase und einer feststoffphase, die unterschiedliche dichte haben, und/oder einer mit der ersten fluessigphase nicht vermischbaren fluessigphase Method and apparatus for multi-level, continuous cyclic gegenstromkontaktierung a fluessigphase and a solid phase, which have different density, and / or an immiscible with the first fluessigphase fluessigphase |
| 11/02/1989 | DE3813636A1 Process for the removal of indole, quinoline bases and higher phenol derivatives from coal tar oil by extraction with supercritical gases |
| 10/31/1989 | US4877530 Separation of organic liquid from aqueous mixture |
| 10/24/1989 | US4876036 Process for the extraction of cations and application thereof to the treatment of aqueous effluents |
| 10/19/1989 | WO1989009639A1 Method for extracting volatile compounds with supercritical carbon dioxide, and compounds so obtained |
| 10/18/1989 | EP0337898A1 Process for the purification and isolation of isocyanate condensates by extraction with liquid or supercritical CO2 |
| 10/16/1989 | EP0302123A4 Settler for liquid-liquid extractors. |
| 10/10/1989 | US4873317 Method of separating or purifying proteins and other biopolymers |
| 10/04/1989 | EP0334944A1 Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings |
| 10/03/1989 | US4871828 Purification/isolation of isocyanate condensates |
| 10/03/1989 | US4871464 Using acidic phosphoric acid ester |
| 10/03/1989 | US4871460 Isolation/purification of isocyanate condensates by extraction with liquid or supercritical gas |
| 09/27/1989 | EP0334529A2 Liquid-liquid contactor columns |
| 09/27/1989 | CN1035851A Solvent extraction process |
| 09/27/1989 | CN1035778A Low-pressure soxhlet extractor |
| 09/27/1989 | CN1035761A Apparatus for continuous extraction |
| 09/26/1989 | US4869825 Polychlorinated biphenyls from soils, sediments and sludges |
| 09/20/1989 | CN2044512U Large-sized horizontal case-type extractor with mixing and clearing functions |
| 09/19/1989 | US4867997 Extraction with supercritical carbon dioxide, wine |
| 09/19/1989 | US4867196 Pool chemical dispenser |
| 09/13/1989 | EP0332372A2 Phase disengagement in liquid-liquid contactors |
| 09/13/1989 | EP0332314A2 Solvent extraction process |
| 09/13/1989 | CN1035440A Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 09/12/1989 | US4865824 Process for recovering gallium from basic aqueous sodium aluminate solutions by means of liquid-liquid extraction |
| 08/30/1989 | EP0330567A1 Process for the preparation of an extract from Ginkgo biloba leaves |
| 08/29/1989 | US4861607 Removal of xanthine stimulants from cocoa |
| 08/29/1989 | US4861561 Multiple solvent tanks switchably connected to sample tubes |
| 08/24/1989 | WO1989007481A1 Process and device for continuous separation of a material mixture |
| 08/24/1989 | WO1989007480A1 Supercritical separation process for complex organic mixtures |
| 08/23/1989 | EP0329290A2 Improved supercritical fluid chromatography |
| 08/22/1989 | US4859781 Recovery of N-methyl-2-pyrrolidone |
| 08/22/1989 | US4859371 Extraction of particulate materials |
| 08/22/1989 | US4859326 Electrolytic tubular mixer-settler |
| 08/16/1989 | EP0328297A2 Fluidic Contactors |
| 08/15/1989 | US4857279 Apparatus for extracting fats and oils |
| 08/15/1989 | US4857040 High-speed centrifugal extractor having improved weirs |
| 08/09/1989 | CN2042334U Pot for decocting herbal medicine with adjustable apron block |
| 08/08/1989 | US4855114 Using hydroxyquinoline |
| 08/08/1989 | US4855113 Apparatus for removing sulfur from organic polysulfides |
| 08/08/1989 | US4855053 Extraction of organic compounds from aqueous solutions |
| 07/26/1989 | EP0324963A1 Metal extraction process |
| 07/26/1989 | EP0324843A1 Process for separating metallic ions from aqueous solutions |
| 07/26/1989 | CN1004883B Method for extraclion of gold and silver from the anode mud of copper electroplating |
| 07/25/1989 | US4851339 Dyes from plants |
| 07/25/1989 | US4851115 Separator with movable receptacles |