Patents for B01D 11 - Solvent extraction (12,717)
09/1992
09/17/1992CA2105986A1 Extraction system
09/16/1992EP0504028A1 Method of supplying dilute hydrofluoric acid and apparatus for use in this method for supplying the acid
09/16/1992EP0502882A1 Method and apparatus for cleaning drill cuttings
09/16/1992CN1064417A Grinding emulsion breaking method
09/15/1992US5147674 Cylindrical container divided into wedge shaped cells, solvent extraction
09/15/1992US5147551 For liquid extraction and separation in qualitative and quantitative analysis
09/15/1992US5147538 Field-portable apparatus and method for analytical supercritical fluid extraction of sorbent materials
09/08/1992US5145577 Pulsed column with basket lining
09/03/1992WO1992014532A1 Process and apparatus for purifying elemental sulfur carried in an aqueous cake
09/02/1992EP0501285A1 Apparatus for initiating and/or promoting chemical and/or physical reactions under pressure
09/02/1992EP0500837A1 Process for recovering metals and coatings from composite materials
09/02/1992CA2062035A1 Bis-bibenzimidazole composition
09/01/1992US5143526 Membrane for removal of alcohol to form low ethanol beverages
08/1992
08/26/1992EP0500150A1 Catalytic metal recovery from polar organic solutions
08/26/1992CN2113823U Turbulent rotary liquid extractor
08/20/1992WO1992013543A1 Method for extracting a biological substance from lepidoptera larvas and substance thus obtained
08/19/1992EP0499267A2 Process and apparatus for the industrial fractionation of polymers
08/19/1992EP0499040A1 Corrosion- and heat-resistant packing for mass- and heat-exchange processes
08/18/1992CA1306442C Separation of dispersed phase from continuous phase
08/12/1992EP0498024A1 Process and apparatus for extracting metals from rocks and deposits
08/12/1992EP0355159B1 Mixing-settling apparatus for liquid-liquid extraction
08/11/1992US5138075 Heating above critical temperature of solvent
08/11/1992US5137626 Solid-phase extraction tubes containing sulfonazide bonded-phase extractants
08/06/1992WO1992013620A1 An active liquid distributor containing packed column
08/06/1992DE4103172A1 Sepg. metals from rocks and deposits, etc. - by pressure feed of ground material with solvent and carrier gas to an eddy chamber
08/06/1992DE4103162A1 Sepg. small concns. of light liquids from effluent water - by extn. with heavy water immiscible solvent and removal of solvent residues by sorption
08/06/1992CA2101276A1 Active liquid distributor containing packed column
08/04/1992US5135655 Process for treating refinery slurries
07/1992
07/30/1992DE4200555A1 Antimicrobial camomile extracts used for e.g. vaginal douche
07/29/1992EP0496230A1 Preparation of an extract of camomile with antimicrobial properties
07/29/1992EP0495903A1 Separation of mixtures by two-phase systems
07/28/1992US5133913 Method for producing a foamed resin using a blowing and extracting agent
07/28/1992US5133865 Process for producing a hafnium extraction scrub solvent
07/28/1992US5133859 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
07/22/1992EP0302123B1 Settler for liquid-liquid extractors
07/21/1992US5132014 Pressure vessel; cartridge with sealing plug
07/21/1992US5131321 Vessel for treating a finely-divided material with a fluid
07/15/1992CN1017434B Synthesis and application of diphosphonate ester
07/14/1992US5130094 Liquid-liquid contact apparatus having fire control capability
07/07/1992CA1304750C Vegetable oil extraction process
07/02/1992DE4039613A1 Equipment for continuous counterflow washing of loose goods with liq. - comprises inclined internal helical flights with radial slots
07/01/1992CN1017216B Recovery of noble metals
07/01/1992CN1017215B Process for recovery of gallium using liquid-liquid extraction
07/01/1992CN1017214B Extraction device and method for liquid with granules or high viscosity
06/1992
06/30/1992US5126058 Selective density flotation
06/30/1992CA1304399C Process for the purification and the isolation of isocyanate condensates by liquid or supercritical co _extraction
06/25/1992WO1992010239A1 A method of continuously decontaminating a material, and an assembly for carrying out the method
06/23/1992CA1303815C Method for neutralization treatment of sulfuric acid containing iron ions
06/17/1992EP0393029B1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents
06/11/1992WO1992009672A1 Method and apparatus for releasing and separating oil from oil sands
06/11/1992WO1992009352A1 Method of and device for counter-flow separation of mixture
06/10/1992CN2106655U Ring separating funnel
06/10/1992CN1061729A Microwave assisted process for extraction and apparatus therefor
06/09/1992US5120558 Process for the supercritical extraction and fractionation of spices
06/09/1992US5119835 Method for extracting tobacco alkaloids
06/08/1992WO1992010263A1 Method and apparatus to detoxify aqueous based hazardous waste
06/08/1992CA2097520A1 Method and apparatus to detoxify aqueous based hazardous waste
06/05/1992CA2056810A1 Extract from mixture of phellodendron and seed of croton, method for the same and drug containing the same
06/03/1992EP0488651A1 Electrostatic separating apparatus
06/03/1992CN2105987U Multi-ring soaking device
05/1992
05/29/1992WO1992008363A1 Lipid fractionation and products so obtained
05/28/1992CA2030934A1 Oil sands separator and separation method
05/26/1992US5116508 Reducing equilibrium time; chromatography
05/26/1992CA1301742C Mixing apparatus
05/19/1992US5114687 Using ammonia and ammonium salts for extraction followed by oxidation and heating
05/19/1992US5114579 Separation of metals by supported liquid membrane
05/19/1992US5113597 Process for drying of plant or animal material
05/19/1992CA1301216C Process and device for compression and transportation of a gas containing a liquid fraction
05/15/1992CA2096232A1 Recovery of palladium
05/13/1992EP0485256A1 Process for the separation of the rare earths
05/13/1992EP0485077A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle
05/06/1992CA2054046A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle
05/05/1992CA1300054C Process for producing alcohol-reduced or alcohol-free beverages made by natural fermentation
04/1992
04/30/1992WO1992006583A1 Apparatus for harvesting and processing raw materials, advantageously plants, without transfer operations
04/29/1992EP0482651A1 Process for the production of high concentrated fruit-flavors from condensed fruit vapors
04/28/1992US5107874 Apparatus for cleaning particulate solids
04/22/1992EP0481541A1 Process for treating refinery slurries
04/22/1992EP0481396A2 Tannin extract of sweet chestnut wood, a process for the preparation thereof and its use
04/21/1992CA1298976C Recovery of noble metals
04/21/1992CA1298961C Method for dispersing two phases in extraction and apparatus for realizing the method
04/16/1992WO1992006058A1 Supercritical fluid extraction restrictor and collection system
04/15/1992EP0480567A1 Selective aqueous extraction of organics coupled with trapping by membrane separation
04/15/1992EP0480476A1 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans and stickies from secondary fibers
04/14/1992US5104587 Countercurrent liquid/liquid extraction to fractionate complex mixtures containing medium and long chain fatty acid triglycerides
04/13/1992CA2044323A1 Method for removing polychlorinated dibenzodioxins and polychlorinated dibenzofurans and stickies from secondary fibers
04/10/1992WO1992005851A1 On-line supercritical fluid extraction multidimensional chromatographic system
04/10/1992CA2092082A1 On-line supercritical fluid extraction multidimensional chromatographic system
04/10/1992CA2046552A1 Selective aqueous extraction of organics coupled with trapping by membrane separation
04/08/1992EP0479258A1 Solvent extraction process for treatment of oily substrates
04/06/1992CA2052655A1 Process for treating refinery slurries
04/03/1992CA2093220A1 Supercritical fluid extraction restrictor and collection system
04/03/1992CA2052497A1 Solvent extraction process for treatment of oily substrates
04/02/1992WO1992005215A1 Process for recovering metals and coatings from composite materials
04/02/1992DE4128331A1 Purificn. of soils contaminated with hydrocarbon(s) - by crushing, predrying, solvent extn. and post-drying
04/01/1992EP0477968A1 Extract from Ginkgo biloba leaves, in particular for intravenous injection or infusion, a method of preparation of the extract and ampoule preparations containing the extract
03/1992
03/31/1992US5100546 Separation of petroleum oil from contaminated water, trichlorotrifluoroethane absorber
03/31/1992CA1298065C Processing nitrogen-rich, hydrogen-rich, and olefin- rich gases with physical solvents
03/25/1992CN1059715A Method for leaching carotene from dunaliella and the equipment thereof
03/25/1992CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992US5098993 Extraction of alkali metal with water