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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10/19/1994 | EP0619756A1 Pervaporation apparatus and process |
10/19/1994 | EP0619755A1 Contaminant removal system and process |
10/19/1994 | CN1093612A Intelligent omnibearing circuit controlling device for drink water treatment machine |
10/18/1994 | US5356651 Flushing with water and/or chemical cleaning to restore membrane capacitance |
10/18/1994 | US5356639 Process for producing cheese containing substantially all the casein and whey proteins in milk |
10/18/1994 | US5356531 Reverse osmosis water system having pivoting clamp device |
10/13/1994 | WO1994012285A3 Dispensing device |
10/13/1994 | DE4310366C1 Method for regenerating aqueous coating baths operating in an electroless manner |
10/12/1994 | EP0618838A1 Electrodialytic recovery process |
10/12/1994 | EP0618836A1 Purification of crude ioversol using reverse osmosis |
10/12/1994 | EP0595847A4 Vacuum filter assembly. |
10/11/1994 | US5354515 Domestic electric appliance |
10/11/1994 | US5354474 Dynamic membrane separation process for improved selectivity |
10/11/1994 | US5354464 Multi-port connecting device |
10/11/1994 | US5354434 Method for regenerating tetraalkylammonium hydroxide |
10/05/1994 | EP0617951A2 Portable liquid purifying device |
10/05/1994 | CN1093017A Oil recovery method from waste water of polyacrylic fibre oil |
10/05/1994 | CN1093016A Treatment method of waste water of polyacrylic fibre oil |
10/04/1994 | US5352364 Serial treatment through at least two reverse osmosis stages; spiral fluid flow |
10/04/1994 | US5352362 Precipitation of metal compound; filtration |
10/04/1994 | US5352345 Ion exchange resin regenerant waste recovery and recycling via bipolar membranes |
10/03/1994 | CA2120323A1 Photoconductor for electrophotography |
09/29/1994 | WO1994021363A1 Membrane and method for the separation of protein-bound substances from a protein-containing liquid by dialysis |
09/29/1994 | WO1994021360A1 Reverse osmosis water purifier |
09/28/1994 | EP0616976A1 Water softening apparatus |
09/28/1994 | EP0616973A1 Process for removing excess acid from acidic hydroxylamine salt solution |
09/28/1994 | EP0616836A2 Separation system including apparatus and method |
09/28/1994 | CN1092696A Apparatus for recovering hydrogen from catalytic dry gas by membrane separation |
09/27/1994 | US5350521 Process for separating catalysts from organic solutions, by means of semipermeable membranes |
09/27/1994 | US5350519 Pervaporation process and use in treating waste stream from glycol dehydrator |
09/22/1994 | DE4309096A1 Process for recovery of a liquid dissolved in a wash bath |
09/21/1994 | EP0615780A1 Membrane and method for the separation of protein-bound substances from a protein-containing liquid by dialysis |
09/21/1994 | EP0561942B1 Apparatus and method for electrodialytic treatment of salts to produce acid and/or base of improved purity |
09/20/1994 | US5348657 Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
09/20/1994 | US5348651 Membrane simulator |
09/20/1994 | US5348646 Fluid filter assembly |
09/15/1994 | WO1994020603A1 Rectifying dialyzer, bioreactor and membrane |
09/15/1994 | WO1994020419A1 Process and installation for preparating cellulose waste lye |
09/15/1994 | WO1994020192A1 Method and apparatus for performing a solid-phase extraction under pressurized conditions |
09/15/1994 | DE4405365A1 Process and apparatus for water treatment |
09/14/1994 | CN2176817Y 离心过滤器 Centrifugal filter |
09/07/1994 | EP0613862A2 Process for reducing the concentration of pollutants in waste water from industrial processes |
09/07/1994 | EP0613688A1 Process for preparing a bicarbonate containing dialysis liquid for the hemodialysis |
09/07/1994 | EP0613398A1 Process, medium and device for electrodialytically regenerating the electrolyte of a galvanic bath or the like. |
09/07/1994 | EP0447448B1 Method for purification of acids from materials comprising acid and salt |
09/07/1994 | EP0269721B1 Ultrafiltration apparatus |
09/07/1994 | CN2176363Y Drink water treating apparatus |
09/07/1994 | CN1091785A Method to recover sericin dissolved in degumming baths, plant to carry out such method and sericin thus obtained |
09/06/1994 | US5344571 Method for separating isoanalytes and measuring analytes in fluids |
09/06/1994 | US5344569 Process for recovering thiocyanate |
09/06/1994 | US5344566 Dechlorination and demetallization of waste water |
09/06/1994 | US5344565 Method of treating a clogged porous medium |
09/01/1994 | WO1994019399A1 Single-film membrane, preparation method therefor and use thereof |
09/01/1994 | WO1994019280A1 Process for obtaining lithium chloride from solutions and a device for carrying out the same |
09/01/1994 | WO1994019093A1 Water purification system and method |
09/01/1994 | DE4306104A1 Method for purifying amines |
09/01/1994 | CA2156496A1 Water purification system and method |
08/31/1994 | EP0612725A1 Solvent extraction of beta-carotene |
08/31/1994 | EP0612722A2 Isocyanate-substituted isophthaloyl chlorides |
08/31/1994 | EP0372074B1 Blood component separator |
08/31/1994 | CN2175641Y Electrode frame of electro-dialyzer terminal and co-electrode, and water supply tube |
08/31/1994 | CN1091411A Process for separating enantiomers from a racemic mixture |
08/30/1994 | US5342863 Ultrafiltration processes for the recovery of polymeric latices from whitewater |
08/30/1994 | US5342518 Filtration system and mount for beverage dispensers and automatic beverage brewing machines |
08/30/1994 | US5342514 Electrical filter |
08/24/1994 | EP0513139B1 Modular device for collecting, incubating and filtering of multiple samples |
08/24/1994 | CN1091113A Method for preparation of purified, softened, activated and polarized water and its application |
08/23/1994 | US5340449 Separation of proteins, nucleic acids from solid phase matrix and membrane in an electric field |
08/23/1994 | US5340384 Vacuum degassing |
08/18/1994 | WO1994017904A1 Modified membrane for medical purposes |
08/18/1994 | WO1994017902A1 Membrane module assembly |
08/18/1994 | WO1994017894A1 Leukocyte removal method and filter unit for same |
08/17/1994 | EP0610775A1 Process for separating liquid mixtures having an azeotropic point by combination of pervaporation and distillation |
08/17/1994 | EP0595993A4 Isolation of charged particles from fluids |
08/16/1994 | US5338553 Process of treating water containing effluent from cheese-making operations |
08/16/1994 | US5338457 Removal of aluminum and sulfate ions from aqueous solutions |
08/16/1994 | US5338456 Water purification system and method |
08/16/1994 | US5338455 Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
08/16/1994 | US5338420 Electrodialysis through an ion exchange membrane |
08/10/1994 | EP0609339A1 Process for removing alcohol from liquids. |
08/10/1994 | EP0575360B1 Process of concentration and purification of organic compounds |
08/09/1994 | US5336165 Artificial kidney for frequent (daily) Hemodialysis |
08/09/1994 | CA1331353C Closure cap for dialyzers |
08/04/1994 | WO1994016812A1 Catalyst recovery method |
08/04/1994 | WO1994016800A1 Perstraction with chemical reaction |
08/04/1994 | DE4303000A1 Sepn. of sulphate(s) from industrial effluent by electrodialysis |
08/04/1994 | DE4302722A1 Prodn. of plant extract concentrate |
08/04/1994 | CA2154567A1 Catalyst recovery method |
08/03/1994 | EP0608826A1 Separation of aluminum alkyls from olefins using polyphenylene oxide membrane |
08/03/1994 | EP0608706A1 Method to recover sericin dissolved in degumming baths, plant to carry out such method and sericin thus obtained |
08/03/1994 | EP0608700A1 Process for the recovery of a fluid dissolved in a rinsing bath |
08/03/1994 | EP0424439B1 Apparatus and method for the autotransfusion of blood |
08/03/1994 | CN1090208A Dispensing device |
08/02/1994 | US5334315 Priming system |
08/02/1994 | US5334314 Composition membrane for separating water from fluids containing organic components by means of pervaporation |
08/02/1994 | US5334300 Turbulent flow electrodialysis cell |
07/28/1994 | DE4302115A1 Rinsing bath dissolved fluid recovery |
07/27/1994 | EP0607276A1 Microfiltration of zeolites. |
07/27/1994 | CN1089882A Multistage membrane control system and process |
07/27/1994 | CA2111812A1 Separation of aluminum alkyls from olefins using polyphenylene oxide membrane |