| Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150) |
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| 01/05/2000 | EP0956146A4 Apparatus for desalinating salt water |
| 01/05/2000 | EP0823861B1 Fluid separation device |
| 01/05/2000 | EP0814884A4 Improvements in membrane processes including electrodialysis |
| 01/05/2000 | CN2357004Y Dual-purpose water purifier for family and outdoor |
| 01/05/2000 | CN2357003Y Dual-purpose water purifier for family and outdoor |
| 01/05/2000 | CN1240196A Desalting aqueous streams via filled cell electrodialysis |
| 01/05/2000 | CN1048016C Method of separating and recovering organogermanium compound |
| 01/04/2000 | US6010633 Method of preventing air from becoming entrapped within a filtration device |
| 01/04/2000 | US6010627 Device for concentrating plasma |
| 01/04/2000 | US6010626 Compact portable hand-operated filter for purifying water |
| 12/30/1999 | DE19819620A1 Vorrichtung zur Gewinnung einer entsalzten Lösung Apparatus for obtaining a desalted solution |
| 12/29/1999 | WO1999067012A1 Improved cross-flow filter cartridge |
| 12/29/1999 | WO1999067011A1 Bacteriostatic filter cartridge |
| 12/29/1999 | EP0967003A1 Process and system for exhaust gas treatment |
| 12/29/1999 | EP0966980A2 Method of rapidly removing liposoluble target molecules from a colloidal solution and wash solution for such a method |
| 12/29/1999 | EP0966405A1 Treatment of effluent streams containing organic acids |
| 12/29/1999 | EP0966319A1 Portable reverse osmosis unit for producing drinking water |
| 12/29/1999 | EP0751826B1 Porous ion exchanger and method for producing deionized water |
| 12/29/1999 | CN2355780Y Self cleaning super filter |
| 12/29/1999 | CN1239709A Membrane type biological reactor |
| 12/28/1999 | US6007710 Reverse osmosis membrane housing with integral wide-area check valve and shut-off valve, optional pressure gauge, and optional large-volume high-flow membrane cartridge |
| 12/28/1999 | CA2122931C Electrolytic production of acid |
| 12/23/1999 | WO1999065596A1 Fluid treatment apparatus |
| 12/23/1999 | WO1999065595A1 Microstructured separation device |
| 12/23/1999 | WO1999065594A1 Spiral reverse osmosis membrane element, reverse osmosis membrane module using it, device and method for reverse osmosis separation incorporating the module |
| 12/23/1999 | WO1999065592A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/23/1999 | DE19826432A1 Medical dialysis appliance with dialyzer and feeder pipe |
| 12/23/1999 | CA2335175A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 12/22/1999 | EP0965377A1 Device for filtering a liquid and method for disinfecting such a device |
| 12/22/1999 | EP0964942A1 Method for treating an electrolyte used for electrophoretic painting |
| 12/22/1999 | EP0964736A1 Recovery and reuse of anionic surfactants from aqueous solutions |
| 12/22/1999 | EP0964735A1 High resistivity water production |
| 12/22/1999 | CN2354642Y Flat ultrafiltering membrane assembly |
| 12/22/1999 | CN2354641Y Capillary tube membrane ultrafilter |
| 12/22/1999 | CN1239012A Process for separating aqueous solution of alcohol with polyvinylidene fluoride permeable vaporizing membrane |
| 12/22/1999 | CN1239007A Membrane treatment process and membrane treatment appts. |
| 12/21/1999 | US6004466 Purification of surfactants with ultrafiltration to recover and reuse |
| 12/21/1999 | US6004465 Recovering iodine from liquid suspension |
| 12/21/1999 | US6004445 Electrochemical methods for recovery of ascorbic acid |
| 12/19/1999 | CA2275158A1 Device for filtering a liquid and method for disinfecting such a device |
| 12/16/1999 | WO1999064506A1 η-RAY STABILIZER AND THERMOPLASTIC POLYMER COMPOSITION CONTAINING THE SAME |
| 12/16/1999 | WO1999064356A1 Processing system |
| 12/16/1999 | WO1999064147A2 Microcomponent assembly for efficient contacting of fluid |
| 12/15/1999 | EP0963239A1 Module made of at least two-type hollow fibres, and production of same |
| 12/15/1999 | EP0963237A1 Method and apparatus for continuous flow isoelectric focusing for purifying biological substances |
| 12/14/1999 | US6001257 Water-containing liquid enters the apparatus through an inlet, passes over the zeolite membrane where water is separated from the liquid and water is removed and anhydrous liquid passage out through liquid outlet |
| 12/14/1999 | US6001255 Process for the production of water-soluble salts of carboxylic and amino acids |
| 12/14/1999 | US6001254 The filter membranes disposed in bundles within filter modules has made it possible to implement mobile installations suitable for filtering water in event of fixed installation failing or an emergency |
| 12/14/1999 | US6001244 Performance water purification system |
| 12/09/1999 | WO1999062613A1 Filtration system with modularized energy recovery subsystem |
| 12/09/1999 | WO1999044727A9 Method for the purification and recovery of waste gelatin |
| 12/09/1999 | DE19829592C1 Mineral acids containing metals from pickling plants are processed and recovered |
| 12/08/1999 | EP0961826A2 Purification and/or concentration of dna by cross-flow filtration, separation of endotoxins from a nucleic acid preparation |
| 12/08/1999 | EP0833687B1 Method for treating water according to the principle of reversed osmosis |
| 12/08/1999 | EP0764610B1 Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure |
| 12/08/1999 | CN1047157C Process for filtering, purifying, oxygenation and activating treatment of drinking water |
| 12/07/1999 | US5997745 Method for producing high purity water using triple pass reverse osmosis (TPRO) |
| 12/07/1999 | US5997743 Water treatment method using hollow fiber membrane and apparatus therefor |
| 12/07/1999 | US5997738 Reverse osmosis water fountain machine with water saving device |
| 12/07/1999 | US5997737 Portable skid mounted desalination apparatus |
| 12/07/1999 | US5997652 Food starch processing method and apparatus |
| 12/07/1999 | US5996811 Plasma collecting device |
| 12/02/1999 | WO1999061910A1 Screening of compounds using ultrafiltration and mass spectometry |
| 12/02/1999 | WO1999061647A1 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 12/02/1999 | WO1999061407A1 Processes for producing amino acid having secondary or tertiary amino group and three or more carboxyl groups and its salt |
| 12/02/1999 | WO1999061126A1 Extraction apparatus |
| 12/02/1999 | WO1999052615B1 Method for dehydrating a porous material |
| 12/02/1999 | CA2332323A1 Electrodialysis methods for purification and recovery of gluconic acid derivatives |
| 12/01/1999 | EP0959980A1 Dialysis machines with touch screen user interface |
| 12/01/1999 | EP0784501B1 Dewatering process |
| 11/30/1999 | US5993661 Macroporous or microporous filtration membrane, method of preparation and use |
| 11/30/1999 | US5993629 Regenerating of acids, particularly of strong organic acids, using bipolar membranes |
| 11/30/1999 | US5993515 Apparatus and process for selectively removing a component from a multicomponent aqueous solution by pervaporation |
| 11/25/1999 | WO1999059810A2 Microstructured films |
| 11/25/1999 | WO1999059707A1 Highly porous polyvinylidene difluoride membranes |
| 11/25/1999 | WO1999059693A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/25/1999 | WO1999045982A3 A catheter to be inserted into a blood vessel, and a method for detection of substances |
| 11/25/1999 | CA2332245A1 Apparatus and method for recovering photoresist developers and strippers |
| 11/25/1999 | CA2292916A1 Highly porous polyvinylidene difluoride membranes |
| 11/24/1999 | EP0959278A2 Single pump continuous filtration systems using venturi and flow control valve |
| 11/24/1999 | EP0958300A1 Electrokinetic sample preparation |
| 11/24/1999 | EP0958036A1 Membrane system for treating sanitary wastewater |
| 11/24/1999 | EP0958035A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 11/24/1999 | EP0902686B1 A process for the purification of opacifying contrast agents |
| 11/24/1999 | EP0873371B1 Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products |
| 11/24/1999 | CN1236331A Method for extracting amine compounds from a liquid medium |
| 11/24/1999 | CN1236330A Method and apparatus for high efficiency reverse osmosis operation |
| 11/23/1999 | US5989433 Method of treating a photographic processing solution |
| 11/23/1999 | US5989426 Reverse osmosis membrane comprising microporous support covered by a polyamide skin layer to provide high salt rejection and high permeability |
| 11/23/1999 | CA2168629C Modular home dialysis system |
| 11/18/1999 | DE19821627A1 Module with microchannel system useful in miniaturized processing or analysis systems e.g. PCR or immunoassays |
| 11/18/1999 | DE19821378A1 Verfahren zur Auftrennung von Tetrahydropyrimidinderivaten A process for the separation of Tetrahydropyrimidinderivaten |
| 11/17/1999 | EP0957174A1 Process for the separation of tetrahydropyrimidin derivatives |
| 11/17/1999 | EP0956150A1 Inorganic nanofiltration membrane and its application in the sugar industry |
| 11/17/1999 | EP0956149A1 Improved membrane |
| 11/17/1999 | EP0956147A1 Membrane module with hollow fibre membranes arranged in layers |
| 11/17/1999 | EP0956146A1 Apparatus for desalinating salt water |
| 11/17/1999 | EP0956145A1 Method to treat whey |
| 11/17/1999 | EP0956144A1 Apparatus for semi-continuous separation of a suspension |
| 11/17/1999 | EP0956125A1 Extraction method and apparatus |