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