| 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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| 03/24/1992 | US5098538 Electroacoustic soil decontamination |
| 03/18/1992 | CN1059569A Electrochemical processing of aqueous solutions |
| 03/17/1992 | US5096637 Polyvinylidene fluoride membrane |
| 03/17/1992 | US5096592 Multi-block polymer comprising an ester prepolymer, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 03/17/1992 | US5096590 Multistage; fruit juices |
| 03/17/1992 | US5096583 Membrane filters for the ultra or micro filtration of liquids, especially water |
| 03/17/1992 | US5096574 Reverse osmosis system |
| 03/17/1992 | US5096547 Preparation of chromic acid using bipolar membranes |
| 03/13/1992 | WO1992004107A1 Membrane module |
| 03/13/1992 | CA2090855A1 Membrane module |
| 03/11/1992 | EP0474370A1 Composite semipermeable membrane, process of producing the same and method of producing highly pure water using the same |
| 03/11/1992 | EP0474365A1 Filter cleaning |
| 03/11/1992 | EP0474182A2 Method for the purification of a bifidobacteria-proliferating substance |
| 03/11/1992 | EP0473744A1 Process for selective removal of volatile substances from liquids |
| 03/10/1992 | US5094743 Fluid purifying apparatus and method of purifying fluids |
| 03/10/1992 | US5094732 Process and apparatus for removing nitrates from a water stream during the treatment of process water |
| 03/10/1992 | US5094595 Labrador water-wave energy converter |
| 03/10/1992 | CA1297095C Heat exchanger |
| 03/10/1992 | CA1296976C Blood serum test strip |
| 03/05/1992 | WO1992003389A1 Process for producing biscuit-fired ceramic and process for producing eco-environmental water |
| 03/05/1992 | WO1992003216A1 Device for membrane separation |
| 03/05/1992 | WO1992003202A2 Medical drug formulation and delivery system |
| 03/05/1992 | CA2092201A1 Medical drug formulation and delivery system |
| 03/04/1992 | EP0473541A2 Process for enrichment or separation, copolyamide and copolyimidamide and their use |
| 03/04/1992 | EP0473486A1 Process for controlling the operation modes of an automatic water filtration apparatus having tubular membranes |
| 03/04/1992 | EP0473290A2 Multilayer reverse osmosis membrane of polyamide-urea |
| 03/04/1992 | EP0472794A1 Liquid membrane process for separating gases |
| 03/03/1992 | US5093006 Liquid separator |
| 03/03/1992 | US5093002 Crosslinked Polysiloxane Elastomeric Membrane |
| 03/03/1992 | US5092999 Filtering means |
| 03/03/1992 | US5092997 Apparatus for concentration of macromolecular solutions |
| 03/03/1992 | US5092990 Filter device |
| 03/03/1992 | US5092974 Electrode and method for compressive and electro-osmotic dehydration |
| 02/26/1992 | EP0472264A2 Spiral filtration module with improved cleanability and operating efficiency |
| 02/26/1992 | EP0472117A1 Process for the preparation of potassium magnesium L-ascorbate-2-phosphate |
| 02/25/1992 | US5091093 Process for purifying acrylonitrile effluent |
| 02/25/1992 | US5091085 Portable |
| 02/25/1992 | US5091081 Ultrafiltration |
| 02/25/1992 | US5091080 Core enclosed by semipermeable membrane |
| 02/25/1992 | US5091071 Coating electroconductive substrate with cationic polymer; ultrafiltration |
| 02/25/1992 | US5091070 Electrodialysis in cell with alternating bipolar and ion exchange membranes |
| 02/25/1992 | CA1296283C Process for hydrotreatment of liquid phase heavy hydrocarbons, with the presence of a dispersed catalyst |
| 02/21/1992 | CA2042699A1 Spiral filtration module with improved cleanability and operating efficiency |
| 02/18/1992 | US5089102 Removal of salts by electrodialysis |
| 02/18/1992 | CA2049266A1 Concentration or separation method, copolyamides and copolyimids-amides and the use thereof |
| 02/18/1992 | CA1295963C Continuous process for the fermentative preparation of organic acids |
| 02/18/1992 | CA1295795C Asymetrically-wettable, porous membrane and membrane process |
| 02/17/1992 | CA2023386A1 Reverse osmosis membrane filter module |
| 02/12/1992 | EP0470931A2 Soil and waste water treatment |
| 02/12/1992 | EP0470704A1 Process for dehydration of organic oxygenates |
| 02/12/1992 | EP0470699A1 Membrane process for dewatering lube oil dewaxing solents |
| 02/12/1992 | CN2095709U Microporous filter |
| 02/12/1992 | CN1015421B Equipment for recovering and concentrating oil in water |
| 02/11/1992 | US5087449 Method for the preparation of a substance capable of proliferating bifidobacteria growth and the substance |
| 02/11/1992 | US5087372 Filtration through membrane having iminodiacetic acid groups bound to resin matrix side chains |
| 02/11/1992 | US5087371 Method for regenerating scale solvent |
| 02/11/1992 | US5087370 Method and apparatus to detoxify aqueous based hazardous waste |
| 02/07/1992 | CA2044814A1 Process for dehydration of organic oxygenates |
| 02/07/1992 | CA2042913A1 Membrane process for dewatering lube oil dewaxing solvents |
| 02/05/1992 | EP0470015A1 Process for cleaning in crossflow microfiltration |
| 02/05/1992 | EP0470001A1 Process and apparatus for electrokinetic dewatering |
| 02/05/1992 | EP0469487A1 Apparatus for dissolving an adjusting agent of a dialytic solution |
| 02/05/1992 | EP0469352A1 Process for the isolation and purification of monosialoganglioside from a starting lipidic mixture by complexation with alpha-cyclodextrin and related intermediate compound |
| 02/05/1992 | EP0469206A1 Hypoallergenic milk products and process of making |
| 02/04/1992 | US5085881 Solvent extraction with carboxylic acids and/or esters |
| 02/04/1992 | US5085778 Process for dehydration of organic oxygenates |
| 01/29/1992 | EP0468904A1 Method for making impervious pieces of carbon composite material |
| 01/28/1992 | US5084220 Membrane filtration apparatus and method of making a membrane filtration unit |
| 01/28/1992 | US5084183 Fractionation of light/heavy waxes by use of porous membranes |
| 01/28/1992 | US5084181 Enrichment of water in components of heavy water |
| 01/28/1992 | US5084180 Method for treating zinc-containing sulfate solution |
| 01/28/1992 | US5083442 Refrigerator with purified water supply |
| 01/28/1992 | CA1294758C System for the extraction and utilization of oxygen and other ligands from fluids |
| 01/28/1992 | CA1294745C Asymmetrical microporous hollow fiber for hemodialysis and a process for manufacturing such fibers |
| 01/22/1992 | EP0467831A2 Process and apparatus for purification of water and for keeping it clean |
| 01/22/1992 | EP0467735A1 Pyrogen separations by ceramic ultrafiltration |
| 01/22/1992 | EP0467525A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/22/1992 | EP0466775A1 Method to control a salt stream to be treated in an electrodialytic water splitter. |
| 01/21/1992 | US5082602 Process and apparatus for regenerating spent reprocessing extraction solvent |
| 01/21/1992 | US5082565 Semipermeable membrane made from polyether ketones |
| 01/21/1992 | US5082564 Method and means for desalination of seawater and brackish water |
| 01/21/1992 | US5082557 Control head for water purifier |
| 01/21/1992 | US5082549 Membrane stack unit for multichamber processes |
| 01/21/1992 | US5082472 Composite membrane for facilitated transport processes |
| 01/17/1992 | CA2042921A1 Process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 01/15/1992 | EP0466470A2 Aromatics/saturates separation using membranes |
| 01/15/1992 | EP0466469A2 Aromatics/saturates separation using membranes |
| 01/15/1992 | EP0465968A1 Process for the treatment of acrylonitrile waste water |
| 01/15/1992 | EP0465822A1 Recovery of sodium hydroxide and aluminium hydroxide from etching waste |
| 01/15/1992 | EP0465482A1 Method and apparatus for controlling the relative humidity in concrete and masonry structures. |
| 01/15/1992 | EP0333753B1 Arrangement in membrane filter |
| 01/14/1992 | US5080796 Thermofiltration of plasma |
| 01/14/1992 | US5080795 Supported chiral liquid membrane for the separation of enantiomers |
| 01/14/1992 | US5080794 Separation of 1-methoxy-2-propanol and water |
| 01/14/1992 | US5080770 Apparatus and method for separating particles |
| 01/12/1992 | CA2045161A1 Sulfonated polysulfone membranes for aromatics/saturates separation |
| 01/12/1992 | CA2044000A1 Polysulfone membranes for aromatics/saturates separation |
| 01/11/1992 | WO1992000769A1 Adaptive filter flow control system and method |
| 01/09/1992 | DE4020840A1 Gas removal from fluid using heat-exchanging dialysis filter - is cheap to operate and efficiency allows preheating and cooling of incoming and outgoing gases respectively |
| 01/08/1992 | EP0464506A1 Process and apparatus to clarify liquids |