Patents
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)
07/1997
07/23/1997EP0784501A2 Dewatering process
07/23/1997EP0784500A1 Compound removal using membrane and activated charcoal filtration
07/23/1997EP0784499A1 Artificial liver apparatus and method
07/23/1997EP0784496A1 Systems and methods for separating erythrocytes
07/23/1997EP0637996B1 Microfabricated detection structures
07/23/1997EP0576677B1 Apparatus for exchanging substances
07/23/1997CN2258159Y Housing of pure water maker
07/22/1997US5650330 Calcium channel blockers in multilayer membranes with lipids and polyphosphates
07/17/1997WO1997025367A1 Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products
07/17/1997WO1997025147A1 Electrodeionization apparatus having geometric arrangement of ion exchange material
07/17/1997WO1997025128A1 Multi-port, multi-stream valve apparatus
07/17/1997WO1997025127A1 Method of filtering the organic solutions arising in the production of circuit boards
07/17/1997WO1997025084A1 The use of an in-line filter in the preparation of total nutrient admixtures
07/17/1997DE19600967A1 Verfahren zum Auftrennen von aus der Leiterplattenherstellung stammenden organischen Prozeßlösungen Method for separating derived from the organic circuit board manufacture process solutions
07/17/1997CA2242549A1 Electrodeionization apparatus having geometric arrangement of ion exchange material
07/17/1997CA2242162A1 Method of filtering the organic solutions arising in the production of circuit boards
07/16/1997EP0784047A1 Process for producing highly pure glycolic acid
07/16/1997EP0705129B1 Solid phase extraction method and apparatus
07/15/1997US5647990 Centrifugal method for concentrating macromolecules from a solution and device for carrying out said method
07/15/1997US5647989 Method for recovering abrasive particles
07/15/1997US5647973 Reverse osmosis filtration system with concentrate recycling controlled by upstream conductivity
07/15/1997CA2037215C Treatment of lower glycol-containing operative fluids
07/10/1997WO1997024422A1 Process for the washing of laundry
07/10/1997DE19600366A1 Narrowing molecular weight distribution of ethyleneimine polymer]
07/10/1997CA2194739A1 Process for preparing a particularly pure glycolic acid
07/09/1997EP0782879A1 Process and apparatus for the micro- and ultrafiltration of suspensions
07/09/1997EP0782720A1 Process and apparatus for rejuvenating developer in printing plate development
07/09/1997EP0782595A1 Method for making a bipolar membrane
07/09/1997EP0539541B1 Biodegradable polymeric compositions based on starch and thermoplastic polymers
07/09/1997CN1154077A Reverse osmosis permeate pump
07/08/1997US5645984 Process for depleting viruses in solutions and determining their depletion rate
07/08/1997US5645734 Dialysate separation method
07/08/1997US5645727 On-line ozonation in ultra pure water membrane filtration
07/08/1997US5645723 Transferring pipe devices horizontal
07/08/1997US5645719 Filter clamping device for water purifiers
07/08/1997US5645708 Chloride assisted hydrometallurgical copper extraction
07/08/1997US5645703 Treatment of process streams from production of acrylonitrile, caprolactam, methacrylates, polycarbonates, salicylic acid
07/03/1997WO1997023415A1 Treatment of alkaline rinse water by reverse osmosis following neutralisation with biogenic carbon dioxide
07/03/1997WO1997023279A1 Process for purifying a liquid contaminated by filamentary molecules
07/03/1997WO1997023263A1 Extraction method and apparatus
07/03/1997WO1997018166A3 Direct osmotic concentration contaminated water
07/03/1997DE19548843A1 Verfahren zum Waschen von Wäsche A method of washing laundry
07/03/1997CA2241193A1 Process for purifying a liquid contaminated by filamentary molecules
07/03/1997CA2238396A1 Extraction method and apparatus
07/02/1997EP0781166A1 Membrane separation process
07/02/1997EP0781162A1 Method and system for extracting a solute from a fluid using dense gas and a porous membrane
07/02/1997EP0428676B1 Management of parameters relating to a dialysis treatment
07/02/1997CN1153483A Method and apparatus for separating liquid-liquid mixtures
07/01/1997US5643456 Chelation polymers for forming complexes and bnding metals
07/01/1997US5643455 Backwashing
07/01/1997US5643442 Removing heteroaromatic compounds from gasoline, kerosene, diesel fuel, jet fuel
07/01/1997US5643430 Electrodialysis treatment
07/01/1997US5643190 Flow-through treatment device
06/1997
06/26/1997DE19548316A1 Aufbereitung alkalischer Spülwässer mit Umkehrosmose nach Neutralisation mit biogenem Kohlendioxid Treatment with alkaline rinsing water reverse osmosis after neutralization with biogenic carbon dioxide
06/25/1997EP0780133A1 Method for rapid removal of liposoluble molecules from a colloidal solution; in particular for dialysis
06/25/1997EP0779974A1 Sampling means for a chemical analysis apparatus
06/25/1997EP0779835A1 Cleaning of hollow fibre membranes
06/25/1997EP0700315A4 Multi-stage water treatment system
06/19/1997WO1997021630A1 Water desalination
06/19/1997WO1997021484A1 Microconcentrator device
06/19/1997WO1997021483A1 Process for desalinating water and a suitable device
06/19/1997DE19546587A1 Verfahren zum Entsalzen von Wasser und Vorrichtung zur Durchführung des Verfahrens A method of desalination of water and apparatus for carrying out the method
06/18/1997EP0779090A1 In situ filter cleaning
06/18/1997EP0778841A1 Device for use in the isolation of a biological material such as nucleic acid
06/18/1997CN1151903A Jetting gravity difference liquid film separating method
06/18/1997CN1035157C Process and apparatus for recovery of raw materials in the aspartame preparation process
06/17/1997US5639375 Concentration of pesticides by membrane perstraction
06/17/1997US5639374 For recycling water containing concentrated impurities
06/17/1997US5639373 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
06/17/1997US5639368 Capillary membrane device
06/12/1997DE19545335A1 Conditioning air in cabin or enclosed environment
06/12/1997DE19545277A1 Membrane filtration plant carries out reverse osmosis under comparatively low pressure with little energy consumption
06/11/1997EP0777520A1 Zero waste effluent water desalination system
06/11/1997EP0637989A4 Device and method for extracorporeal blood treatment.
06/11/1997CN1151378A Seawater desalination method and appts. thereof
06/10/1997US5637224 Immobilized-interface vaporizable solute-transfer unit; pollution control
06/10/1997US5637204 End casing for an electrodialyzer electrodialyzer equipped with such a casing and use of the said electrodialyzer
06/05/1997WO1997020207A1 Method and device for blood separation in a diagnostic device
06/05/1997WO1997013041A3 Combined water purifier/dispenser and walk-in cooler
06/05/1997CA2238926A1 Method and device for blood separation in a diagnostic device
06/04/1997EP0776995A1 Process for the preparation of alcoholates
06/04/1997EP0776223A1 Arrangement for removing substances from liquids, in particular blood
06/04/1997EP0776212A1 Method of producing infection-free pharmaceutical preparations and/or foodstuffs from infectious material, particular material containing prions
06/04/1997EP0613398B1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like
06/04/1997CN1151193A Electrochemical process and device for the production of metal hydroxides and/or metal oxide hydroxides
06/04/1997CN1151128A Separating and concentrating certain ions using ion-binding ligands bonded to membranes
06/03/1997US5635074 Separation of solid material from a liquid material contained in a slurry; cross-flow; differential pressure
06/03/1997US5635071 Nanofiltration to remove higher molecular weight organic compounds, then reverse osmosis yields streams of concentrated carboxylic acids and purified water
06/03/1997US5635058 Reject water drain line installation system and apparatus for under sink reverse osmosis filter system
05/1997
05/29/1997WO1997018886A1 Water removal device
05/29/1997WO1997018880A1 Extraction method and apparatus
05/29/1997CA2237436A1 Water removal device
05/28/1997EP0775710A1 Ultafiltrations as prepurification step for proteins and peptides from cell-freeculture media
05/28/1997EP0775709A1 Method for preparing di- and higher oxidised carboxylic acids of carbohydrates, carbohydrate derivatives or primary alcohols
05/28/1997EP0775014A1 Membrane filter unit
05/28/1997CN1034989C Multistage membrane control system and process
05/27/1997US5633125 Process for extracting halide ions from fixing baths used in photography
05/27/1997US5632892 Portable reverse osmosis water purification plant
05/27/1997US5632890 Ceramic filter filtration apparatus for purifying swimming pool water
05/27/1997CA2031997C Water treatment installation for a tangential filtration loop