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