Patents for B01D 11 - Solvent extraction (12,717)
05/1997
05/29/1997WO1997018880A1 Extraction method and apparatus
05/28/1997EP0723599B1 Recovery of palladium catalyst
05/27/1997US5633125 Process for extracting halide ions from fixing baths used in photography
05/27/1997US5632966 Process for hydrogen fluoride separation
05/15/1997WO1997017601A1 Process for extracting compounds from sample matrices
05/15/1997WO1997017121A1 Method and apparatus for mixing/separating two non-miscible liquids
05/14/1997EP0772635A1 Method for extracting and producing hydrocolloidal polymers from animal or plant material
05/13/1997US5628906 Liquid-liquid
05/07/1997EP0771776A1 Process for removing titanium or vanadium alkoxide from liquid hydrocarbon mixtures
05/07/1997EP0771585A2 Method for solvent extraction using a dual-skinned asymmetric microporous membrane
05/07/1997CN1149055A Process for production of 1,3-dioxolane
05/07/1997CA2188353A1 Method for solvent extraction using a dual-skinned asymmetric microporous membrane
05/06/1997US5627269 Process for the extraction of soluble polysaccharides
05/06/1997US5626756 Process for fractionating and refining natural lipid substances
04/1997
04/30/1997CN1034716C Electrostatic quast liquid membrane high efficient concentration method
04/29/1997US5624699 Extraction method
04/29/1997US5624566 Method and apparatus for recovering carboxylic acids from dilute solutions
04/29/1997CA2025693C Extraction and recovery of plasticizers from solid propellants and munitions
04/24/1997WO1997014488A1 Multistage three-phase extractor
04/24/1997WO1997014487A1 Multi-stage extraction process
04/24/1997WO1997014486A1 Multiple phase extractor
04/24/1997CA2235303A1 Multiple phase extractor
04/24/1997CA2235127A1 Multistage three-phase extractor
04/23/1997EP0769316A1 Distributor for independently injecting and/or collecting fluids
04/23/1997CN1147959A Gradient extraction technology for extracting multiple active ingredients of medicinal plant
04/22/1997US5622679 Extraction of rare earth elements using alkyl phosphinic acid or salt/tetraalkylammonium salt as extractant
04/17/1997WO1997013567A1 Extraction method
04/17/1997CA2231657A1 Extraction method
04/16/1997EP0767698A1 COMPOSITION AND IMPROVED pH DRIVEN METHOD FOR WASTEWATER SEPARATION USING AN AMPHOTERIC CARBOXYLATE AND A CATIONIC DESTABILIZER COMPOSITION
04/16/1997EP0672030B1 Process for preparing substantially pure enantiomers of phenylpropionic acids
04/16/1997EP0649560B1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag
04/15/1997US5620728 Method and apparatus for the extraction of oils from grain materials and grain-based food products
04/15/1997US5620659 Apparatus for preventing explosions during microwave heated solvent extractions
04/10/1997DE19637227A1 Food colours prepd. from flowers, typically hibiscus flowers
04/09/1997EP0766986A1 Process for the desalination of solvents for gas scrubbing derived from glycol
04/09/1997CN1147208A Solvent extraction process
04/08/1997US5618971 Separation of a mono(meth)acrylate of a C4 -C6 alkanediol from an aqueous solution containing a mono(methacrylate) of a C4 -C6 alkanediol and the said C4 -C6 alkanediol
04/08/1997US5618655 Solvent extraction using cyclohexane and isopropyl acetate, separating aqueous and organic phases
04/05/1997CA2187066A1 Process for desalting glycol-derived solvents for gas scrubbers
04/02/1997CN1034395C 萃取方法 Extraction Method
04/01/1997US5616352 Process for the production of fat- and cholesterol-reduced powered products based on eggs which are characterized by a high phospholipid content
03/1997
03/27/1997WO1997010886A1 Agitated-packed extraction column
03/27/1997CA2232382A1 Agitated-packed extraction column
03/26/1997EP0764042A1 Fluid extraction
03/26/1997EP0544883B1 Process for drying and solvent-extraction of solids and sludges
03/26/1997CN2250183Y Horizontal continuous casting new drawing blank driving device
03/26/1997CN1145821A Forced ascending-circulation plant medicine extracting cylinder
03/25/1997US5614089 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
03/19/1997EP0763501A1 Method for removal from adsorbable organic halogenated compounds from waste waters
03/19/1997EP0763006A1 Recovery of carboxylic acid from organic solution that contains an amine and an extraction enhancer
03/19/1997EP0762918A1 Fluid extraction of metals and/or metalloids
03/19/1997EP0674679B1 Method for eliminating pollutants of low molecular weight contained in elastomer seals and plastic materials
03/19/1997EP0643606B1 Apparatus and method for reversed permeation membrane extraction of compounds from sample solutions
03/14/1997CA2185393A1 Process for eliminating adsorbable organic halogen compounds from wastewaters
03/12/1997EP0761801A1 Process and apparatus for the extraction of aromatic compounds from a hydrocarbon charge
03/11/1997US5609764 Extraction column or tower with separate volumes
03/05/1997EP0705319B1 Apparatus for the extraction of peat
03/04/1997US5607591 From effluents of irradiated fuel reprocessing plants
03/04/1997US5607234 Universal zero-headspace extractor vessel and rotator
02/1997
02/25/1997US5605670 Method for purifying hydrogen peroxide
02/19/1997CN1143383A Removing contaminants from oil
02/13/1997WO1997005194A1 Method and apparatus for separating polymer from a plastic, and the resulting separated polymer
02/13/1997WO1996041029A3 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores
02/12/1997CN1142783A Separation of liquids
02/11/1997US5601707 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
02/05/1997CN2246535Y Discharge device for use in large-volume continuous supercritical extraction plant
02/04/1997US5599969 Process of resolving phenylpropionic acids using α-methylbenzylamine
02/04/1997US5599426 Conveying endless belt-supported spray-washed pulp slurry mat over spaced rolls to separate debris and dislodge slurry; recycling wastes
02/04/1997US5599381 Separation of solutes in gaseous solvents
01/1997
01/29/1997EP0755401A1 Process, apparatus and reagents for isolating cellular components
01/29/1997EP0755291A1 Method and apparatus for gathering analyte
01/29/1997EP0663897B1 Process for separating enantiomers from a racemic mixture
01/28/1997US5597599 Method for processing a perishable product
01/22/1997EP0754975A2 Process of reducing trace levels of metal impurities from resist components
01/22/1997EP0670840B1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides
01/21/1997US5595661 Process for recover halocarbons from liquid waste slurries
01/15/1997EP0752903A1 Solvent extraction process
01/15/1997EP0739430A4 Process for making copper wire
01/09/1997WO1997000714A1 Liquid medium extraction purification method
01/08/1997EP0752389A1 Process for the preparation of monolithic silica aerogels and silica aerogels so obtained
01/07/1997US5591416 Rotating basket extractors for solids and multicells with feeding solvents and screening
01/07/1997US5591343 Process for extraction of carotenoids from bacterial cells
01/03/1997WO1997000442A1 Microfabricated differential extraction device and method
01/03/1997WO1997000109A1 A solvent extraction apparatus
01/03/1997CA2222126A1 Microfabricated differential extraction device and method
12/1996
12/27/1996WO1996041855A1 Method of continuous extraction of crude wax and apparatus therefor
12/25/1996CN1138557A Method for preparing potassium sulphate
12/19/1996WO1996041029A2 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores
12/19/1996WO1996041027A1 Chloride assisted hydrometallurgical extraction of metal
12/19/1996WO1996041026A1 Chloride assisted hydrometallurgical extraction of metal
12/19/1996CA2456772A1 Chloride assisted hydrometallurgical extraction of metal
12/17/1996US5585043 Nitric acid solution of neptunium and plutonium is oxidized by irradiation with ultraviolet light
12/17/1996US5585002 Reclamation of polluted wet soils
12/17/1996US5584989 Apparatus for supercritical fluid extraction having means for removing extraction from collection solvent
12/12/1996DE19520392A1 Washing tank with low, upward facing nozzles to clean contaminated soil and plant equipment
12/11/1996EP0747103A1 Soxhlet extractor for solid/liquid extraction
12/11/1996CN1137809A Process for making copper wire
12/05/1996WO1996038381A1 Method of biotreatment for solid materials in a nonstirred surface bioreactor
12/04/1996EP0745113A1 Removal of contaminants from oil
11/1996
11/28/1996WO1996037518A1 Method for extracting and producing hydrocolloidal polymers from animal or plant material