Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
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)
11/1997
11/20/1997WO1997043454A1 Method for processing sugar beets to produce a purified beet juice product
11/20/1997WO1997043024A1 Liquid chromatography column
11/20/1997CA2255048A1 Liquid chromatography column
11/20/1997CA2254081A1 Method for processing sugar beets to produce a purified beet juice product
11/19/1997EP0807087A1 Water purifying machine having membrane chamber flushing
11/19/1997EP0757589A4 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/19/1997EP0536297B1 Process and apparatus for removal of dna and viruses
11/15/1997CA2204676A1 Process for preparing aldehydes
11/13/1997WO1997042358A1 Process for the electrochemical synthesis of n-acetylcysteine from cystine
11/13/1997WO1997041949A1 Mobile water purification unit with modular dechlorination input stage
11/13/1997CA2253538A1 Process for the electrochemical synthesis of n-acetylcysteine from cystine
11/12/1997EP0806475A2 Filter apparatus and method of separating micro-tissues of an organism using said filter apparatus
11/12/1997EP0806399A1 Process and device for purifying waste water
11/12/1997EP0806237A2 Degassing liquids apparatus and method
11/12/1997EP0805981A1 Disposable hemolysis detector
11/12/1997EP0805713A1 Process and apparatus for purification of contaminated acids
11/11/1997US5686893 Water leakage detecting apparatus of water purifier
11/11/1997US5686231 Process for disposing of developer for pigment-containing non-silver-salt photo sensitive material, apparatus therefor and automatic developing system
11/11/1997US5685990 System and a process for membrane filtration of a dispersion
11/11/1997US5685988 Dialysis process and system
11/11/1997US5685987 Method for recycling formalin
11/11/1997US5685980 Miniaturized handheld desalination field unit
11/10/1997CA2203051A1 Degassing liquids: apparatus and method
11/06/1997WO1997041168A1 Integral multi-layered ion-exchange composite membranes
11/06/1997WO1997041071A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
11/06/1997WO1997040904A1 Supported liquid membrane separation
11/06/1997WO1997040902A1 Extraction method and apparatus
11/06/1997DE19617775A1 Selective filtration unit
11/06/1997CA2251892A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
11/06/1997CA2251246A1 Extraction method and apparatus
11/05/1997EP0804960A2 Crossflow filtration process for separating organic compounds after adsorption on inorganic solids
11/05/1997EP0804624A1 Chloride assisted hydrometallurgical copper extraction
11/05/1997EP0804277A2 Regenerating acids, particularly strong organic acids, using bipolar membranes
11/04/1997US5684192 Polymerized to ion exchange resins with sulfonate groups, solid electrolytes, fuel cells
11/04/1997US5683916 Separating a ligate from a fluid
11/04/1997US5683584 Hollow fiber membranes and method of manufacture
11/04/1997US5683555 Working up reaction mixtures obtained in addition reactions with acetylene or propyne
11/04/1997CA2136721C Integrated reverse osmosis and storage system
11/04/1997CA2068403C Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures
11/03/1997CA2204307A1 Cross-flow filtration process for separating organic compounds by absorption on inorganic solids
10/1997
10/30/1997WO1997039981A1 Water treatment
10/30/1997WO1997039815A1 Method and apparatus for diffusive transfer between immiscible fluids
10/30/1997DE19713977A1 Electrodialysis process for removing ionic impurities from water
10/30/1997CA2252427A1 Water treatment
10/29/1997EP0803474A2 Electrodeionization apparatus and process for purifying a liquid
10/29/1997EP0803274A1 Process and apparatus for treatment of backwash water from a filter
10/29/1997EP0651675B1 Centrifugal method for concentrating macromolecules from a solution and device for carrying out said method
10/29/1997EP0643677B1 Process for producing and processing wash water in a washing installation, and washing installation
10/29/1997CN2265851Y High accuracy filter
10/28/1997US5681728 Method and apparatus for the recovery and purification of organic acids
10/28/1997US5681473 Membrane separation process
10/28/1997US5681464 Filter for cross-flow filtration
10/28/1997US5681463 Portable liquid purifying device having activated carbon filter and micro-porous membrane filter
10/28/1997US5681459 Refect water drain line installation system and apparatus for under sink reverse osmosis filter system
10/28/1997US5681438 Membrane module assembly
10/28/1997US5681433 Membrane dehydration of vaporous feeds by countercurrent condensable sweep
10/23/1997WO1997039085A1 Lubricating oil dewaxing with membrane separation
10/23/1997WO1997038786A1 Filter membranes with controlled product flow and systems using same
10/23/1997WO1997030735A3 A process for the purification of opacifying contrast agents
10/23/1997DE19636255C1 High availability dialysis unit with automatic removal of accumulated lime-scale deposits
10/22/1997EP0801590A2 Filtration apparatus
10/22/1997EP0652859B1 Improved process for separating and recovering halocarbons from mixtures thereof
10/22/1997CN2265238Y Combined membrane frame used in electric-dialysis
10/22/1997CN1162929A Method and system for extracting a solute from a fluid using dense gas and a porous membrane
10/22/1997CN1162928A Method and apparatus for diffusive transfer between immiscible fluids
10/22/1997CN1162573A Pollutionless water treatment method with high availability of water and continous operation
10/22/1997CN1036178C Equipment and technology for preparing organic acid with bipolar film electrodialysis
10/21/1997US5679503 Method and device for the selective extraction of halide ions from photographic baths
10/21/1997US5679243 Water purifier having a filter replacement indicator including a circuit board and lamps
10/21/1997US5679231 Gel bed dialyzer
10/21/1997US5679229 Electrodialysis including filled cell electrodialysis (electrodeionization)
10/21/1997US5679228 Removing silica from water by increasing ph, passing through diluting compartments of electrodialysis stack containing ion exchange granules, passing direct current through stack, recovering effluent
10/16/1997WO1997037958A2 Preparation of aromatic hydroxycarboxylic acids and dialkali metal salts thereof
10/16/1997WO1997037942A1 Process and device for treatment of water from a biodegradeable process
10/16/1997WO1997037752A1 Improved membrane
10/16/1997WO1997037751A1 Process for isolation of dicarboxylic acids and hydroxycarboxylic acids
10/16/1997DE19614214A1 Verfahren und Vorrichtung zur Aufbereitung von Wasser aus einem biologischen Abbauprozeß Method and apparatus for treatment of water from a biological degradation process
10/16/1997CA2249003A1 Improved membrane
10/16/1997CA2224159A1 Process and device for treatment of water from a biodegradeable process
10/15/1997CN2264618Y Super-filtering warm and hot water purifier
10/14/1997US5678242 Contacting aqueous solution of metal ions with one side of porous membrane having organic soluble complexing agent in pores to extract metal ions, contacting other side with aqueous solution of second complexing agent to remove
10/14/1997US5676834 Upflow clarifier
10/14/1997US5676832 Recovery of solvents and solutes from chromatographic systems
10/14/1997US5676824 Water purifier with means for indicating when filter replacement is due and for automatically initiating a membrane washing step
10/14/1997US5676817 Three stage purification; ph reduction, anion exchange and membrane electrolysis
10/14/1997US5675973 Thermoelectric cooling device for purified water tank
10/09/1997WO1997036673A1 Method for separating a catalyst by membrane electrodialysis
10/09/1997WO1997036671A1 Nonton osmotic device or method for generating an oriented flow of a substance through a permissive membrane surface
10/09/1997WO1997029837A3 Process for separating substances using a suitable membrane
10/08/1997EP0799158A1 Method and facility for treating water contaminated with warfare agents
10/08/1997EP0799086A1 Electromembrane processes for the treatment of kraft mill electrostatic precipitator catch
10/08/1997EP0771232A4 Method and apparatus for separating liquid-liquid mixtures
10/08/1997CN1161659A Method and apapratus for diffusive transfer between immiscible fluids
10/07/1997US5674404 Filter integrity test method for dialysis machines
10/07/1997US5674397 Debubblers
10/07/1997US5674395 Multiple sample separator
10/07/1997US5674390 Dialysis machine with leakage detection
10/07/1997US5673752 Method and apparatus for producing gas from a formation containing both gas and water
10/02/1997WO1997036124A2 Linear spool valve device for work exchanger system
10/01/1997EP0798036A2 Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same
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