Patents for B01D 11 - Solvent extraction (12,717)
09/1993
09/15/1993EP0559972A2 Apparatus and method for supercritical fluid extraction
09/14/1993US5244885 Vaginal douche
09/14/1993US5244662 Medicinal extract from a mixture of phellodendron and defatted seed of croton, and method for it's manufacture
09/08/1993EP0559451A2 Liquid-solid extraction apparatus and method of using same
09/08/1993CN2141730Y Throttle pipe liquid extractor
09/07/1993US5242598 Solid phase extraction
09/07/1993US5242594 Process and apparatus for industrial fractionation of polymers
09/07/1993CA2091202A1 Liquid-solid extraction apparatus and method of using same
09/01/1993EP0557274A1 Recovery of palladium.
08/1993
08/31/1993US5240603 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
08/26/1993DE4205765A1 Determn. of extractable material in polymers e.g. rubber tyres, etc. - comprises extracting materials with a solvent mixt., e.g. of ethanol and toluol, from bar form single sample test pieces and measuring wt. change before and after extn.
08/26/1993CA2090062A1 Chemical process
08/25/1993EP0556769A1 Process for purifying phthalimidoperoxycaproic acid (PAP) which removes chlorinated solvent impurities from it
08/24/1993US5238671 Chemical reactions in reverse micelle systems
08/24/1993US5237824 Apparatus and method for delivering supercritical fluid
08/18/1993CN2140254Y Extracting unit of cylinder centrifugal extractor
08/11/1993CN2139851Y Constant temp. rotary oscillator
08/10/1993US5234597 Selective extraction of aromatic hydrocarbons from a mixture with non-aromatic hydrocarbons
08/10/1993CA1321101C Device for continuously decaffeinating raw coffee
08/10/1993CA1321076C Gallium recovery process by liquid-liquid extraction
08/04/1993EP0553658A2 Pharmaceutically active composition from Tanacetum partenium, process of extraction and medicinal composition
08/03/1993US5232489 Process for the recovery of metals and coating materials from composite materials
07/1993
07/28/1993EP0552327A1 Surfactant selection method for the extraction of chemical pollutants from soils
07/28/1993EP0552301A1 On-line supercritical fluid extraction multidimensional chromatographic system.
07/28/1993CN1074615A Active medicinal component of "Duanshepizu", its extraction process and drug containing it
07/27/1993US5230802 Extraction process using a novel organic acid as a liquid ion exchanger
07/22/1993DE4205783C1 Prepn. of liquid plant extracts, e.g. contg. pharmaceuticals or perfumes - involves use of an aq. soln. of a nonionic surfactant e.g. fatty acid glycerine polyethylene glycol ester
07/21/1993EP0551352A1 Supercritical fluid extraction restrictor and collection system
07/21/1993CN1074487A Emulsion-removing method in the process of extraction
07/21/1993CN1021656C Catalytic metal recovery from non-polar organic solutions
07/20/1993US5229003 Recovery of base materials from geothermal brines
07/20/1993US5229000 Apparatus and method for the separation of a viscous mixture
07/14/1993EP0550732A1 Process for the separation of the aqueous phase from cellulose acetate.
07/14/1993EP0315672B1 A process for the removal of organic contaminants from solids and sediments
07/14/1993CN1074123A Process for the preparation of a pharmaceutical composition selectively lowering the blood lipid level
07/08/1993WO1993013035A1 Solvent extraction of oil from oil bearing materials
07/08/1993WO1993012896A1 Oil, water and sand separator
07/08/1993WO1993012674A1 Fruit extraction and infusion
07/06/1993US5225173 Chelation, crown ethers
06/1993
06/30/1993EP0548765A2 System for soil decontamination using recoverable extraction and injection probes
06/30/1993CN1073615A Mixing pump defilector
06/29/1993US5223181 Solubilizing magnesium from slurrying using carbon dioxide, filtering
06/29/1993CA1319494C Method of solvent extraction and apparatus therefor
06/24/1993WO1993012214A1 Method and installation for obtaining biologically active substances from a vegetable or animal raw material
06/24/1993WO1993012161A1 Method for removing residual additives from elastomeric articles
06/24/1993CA2125965A1 Method for removing residual additives from elastomeric articles
06/23/1993EP0547465A1 Process of preparation of extracts of Petasites rhizomas
06/23/1993EP0547392A1 Concentrator/extractor apparatus having a hydrophobic membrane
06/23/1993EP0547353A2 Method and apparatus for treating wastes from metallworking of ferromagnetic materials
06/23/1993CN1073413A Process to treat waste water containing Rh compounds, organic phosphine derivatives and other impurities
06/22/1993US5221480 Concurrent removal of various organics and heavy metals
06/22/1993US5221477 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions
06/21/1993CA2084227A1 Recoverable extraction and injection probe for enhanced gradient remediation
06/19/1993CA2085675A1 Method and apparatus for processing wastes from the machining of ferromagnetic materials
06/19/1993CA2083527A1 Concentrator/extractor apparatus having a hydrophobic membrane
06/15/1993US5219758 Hair growth promoting agent, process for producing and apparatus
06/15/1993US5219533 Countercurrent flow of streams of aqueous phase and organic phase
06/15/1993CA1319154C Process for removing sulfur from organic polysulfides
06/13/1993CA2085215A1 Process for the preparation of a pharmaceutical composition selectively lowering the blood lipid level
06/09/1993EP0545283A1 Process for treating wastewater, containing rhodium compounds, organic phosphine derivatives and other dissolved pollutants
06/09/1993EP0544988A1 Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
06/09/1993EP0544883A1 Process for drying and solvent-extraction of solids and sludges.
06/08/1993US5217628 Method of batch centrifugal removal of residual liquid waste from recyclable container material
06/08/1993US5217619 Liquid-solid extraction apparatus and method of using same
06/08/1993US5217608 Multi-column planet centrifuge chromatograph
06/06/1993CA2084022A1 Process for working up waste waters comprising rhodium compounds, derivatives of organic phosphines and other impurities in dissolved form
06/01/1993US5215902 Fermentation, solvent extraction, extractive distillation, vacuum stripping
05/1993
05/27/1993WO1993009859A1 Removal of hydrocarbons, cooling lubricants and/or oils from the surface of fine particles
05/26/1993EP0543552A1 Apparatus for solvent extraction
05/26/1993EP0543471A2 Apparatus and method for supercritical fluid extraction
05/19/1993EP0542179A1 Process for separating mixtures in an aqueous/organic phase by solvent extraction in the presence of laser radiation and its application for the separation of inorganic and organic mixtures
05/19/1993EP0541999A1 Process and apparatus for the preparation of squalene from residues of olive oil
05/19/1993EP0541853A1 Process and equipment for preserving fruit extracts from Serenoa repens
05/19/1993CN1020757C Process for recovery of gallium using liquid-liquid extraction
05/19/1993CN1020675C Mixing-type precipitating apparatus of liquid-liquid extraction
05/18/1993CA1317961C Process for removal of basic materials from plant products using solvent extraction
05/18/1993CA1317891C Process for separating a fluid feed mixture containing hydrocarbon oil and a organic solvent
05/13/1993WO1993009429A1 Apparatus and method for simultaneous supercritical fluid extraction and gas chromatography
05/13/1993DE4202783C1 Continual component sepn. simple appts. for solid mixt., preventing back mixing - comprises mixt. supply above peripheral regions of sepn. chamber contg. central outlet for solvent and dissolved components, and funnel shaped insol solids outlet
05/13/1993DE4137014A1 Entfernung von kohlenwasserstoffen, kuehlschmierstoffen und/oder oelen von der oberflaeche feiner partikel Removal of hydrocarbons, kuehlschmierstoffen and / or grease the surface 'of the fine particle
05/12/1993EP0541005A2 Liquid-liquid contactor
05/11/1993US5210240 Mixture of supercritical gas and subcritical entraining agent, i.e., formaldehyde dimethyl acetal, chlorodifluoromethane, propane, butane, pentane, ethanol, ethyl acetate; single fluid phase in oil-gas-agent mix; regenerator; pressure relieving
05/04/1993US5208398 Hydrogen fluoride extraction of 1,1,1,3,3-pentafluorobutane and 1,1-dichloro-fluoroethane
04/1993
04/27/1993US5205987 Having orifice allowing all analyte to be collected
04/27/1993US5205154 Apparatus and method for simultaneous supercritical fluid extraction and gas chromatography
04/27/1993CA1316942C Process for extracting and disposing of nitrophenolic by-products
04/20/1993US5204003 Isotopes and other gaseous molecules; solute with repulsive or attractive behavior to solvent, and medium which admits solvent
04/14/1993CN1070836A Electrostatic quast liquid membrane efficient concentration flow path
04/14/1993CN1070835A 萃取方法 Extraction Method
04/07/1993EP0535658A1 Reactor for counter-current treatment of solids and liquids
04/07/1993EP0516686A4 Separation by carrier mediated transport
04/07/1993CN1070691A Recovery of metal values from aqueous solutions
04/07/1993CN1070648A Process for separation of aqueous phase from cellulose acetate
04/07/1993CN1070586A Pre-separation output-increasing extraction
04/06/1993US5199997 Treatment of hydrocarbon-contaminated particulate materials
04/06/1993CA1315911C Process for isolating polyarylene sulphides
04/01/1993WO1993005895A1 Soil-washing plant
03/1993
03/31/1993EP0532664A4 Supported chiral liquid membrane for the separation of enantiomers
03/31/1993CN1070350A Equipment for contracting solid with liquid, particularly for extracting solid with liquid
03/31/1993CN1070341A Process for extracting effective component of xizang oriental wormwood, equipment and its tablet preparation method