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)
12/1992
12/22/1992US5173190 Reconditioning and reuse of chilled water for poultry and food processing
12/22/1992CA1311877C Production of rapeseed protein materials
12/22/1992CA1311717C Effluent treatment
12/16/1992EP0517716A1 Membrane separation process
12/16/1992CN2124756U Multi-electrode in-plane parallel electric dialyzator
12/15/1992US5171767 Utrafiltration process for the recovery of polymeric latices from whitewater
12/15/1992US5171449 Ceramic support, separating layer of polyvinyl alcohol crosslinked with polyaldehyde; water from organo nitrogen compounds
12/15/1992CA1311426C Molten salt hydrate membranes for the separation of gases
12/10/1992WO1992021733A1 Methods of fabricating dual anode, flat panel electrophoretic displays
12/10/1992WO1992021433A1 Filtration module, and method of filtration using the module
12/10/1992WO1992021432A1 Process for continuously cleaning the auxiliary or working liquid of a compressor
12/09/1992EP0517228A1 Method for separating and recovering an acid
12/09/1992EP0516846A1 Bag-like filter
12/09/1992EP0516769A1 Process and system for selectively removing sugar from beverages.
12/09/1992EP0516686A1 Separation by carrier mediated transport.
12/08/1992US5169533 Pervaporation, decantation
12/08/1992US5169529 Case with a bundle of hollwo fiber membranes; positioning of feed- and strip-fibers; fluid separations
12/03/1992DE4118088A1 Continuous selective water cleaning - uses adsorption on separated concentrate to be mixed with separated permeate for selective removal of small concentrations of matter
12/02/1992EP0515936A1 Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures
12/02/1992EP0515555A1 Method and apparatus for separating solid matter from a suspension thereof in a liquid carrier by electrophoretic deposition
12/01/1992US5167826 Engine collant recycling apparatus and process
12/01/1992US5167825 Supported pervaporation membrane and module containing arrays of membranes
12/01/1992US5167824 Immunochemically reversible binding by protein; resolution of naproxen ester enantiomers
12/01/1992US5167823 Separtion or purification of desired chemical species
12/01/1992US5167817 Transfer membrane apparatus
12/01/1992US5167816 Sterile coupling device for drug container
12/01/1992US5167808 Deionized water purification system
12/01/1992US5167786 Wave-power collection apparatus
11/1992
11/26/1992WO1992007648A3 Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts
11/25/1992EP0515034A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
11/25/1992EP0515033A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
11/24/1992US5166376 Solvent extraction; ultrafiltration through microporous inorganic membrane
11/24/1992US5165994 Spontaneous equilbrium surfactant vesicles
11/24/1992CA1310609C Method and apparatus for generating acid and base regenerants and theuse thereof to regenerate ion-exchange resins
11/19/1992EP0514201A1 Separation process using organic acids and novel organic acids
11/19/1992EP0514021A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
11/19/1992EP0513392A1 Flat sheet type separating film leaf
11/19/1992EP0513139A1 Modular device for collecting, incubating and filtering of multiple samples.
11/19/1992DE4116426A1 Selective removal of components from hydrophobic phase of reverse micellar systems - by pervaporation, per-traction or membrane distn. across selective permeability membrane
11/17/1992US5164424 Polymer having a betaine structure, solution diffusion membrane, process for producing same and use thereof
11/17/1992US5164092 2-stage ultrafiltration process for photographic emulsions
11/17/1992US5164080 Ion-exchange treatment apparatus for dispersions
11/12/1992WO1992019680A1 Biodegradable polymeric compositions based on starch and thermoplastic polymers
11/12/1992WO1992019368A1 Method for concentrating aqueous solutions of acids containing metal ions by electrodialysis
11/11/1992EP0512736A2 Ultrafiltration processes for the recovery of polymeric latices from whitewater, and apparatus therefor
11/11/1992EP0512360A1 Method for pervaporation by a membrane comprising starch and a synthetic thermoplastic polymer
11/11/1992EP0512287A1 Electro-endosmosis type dehydrator
11/11/1992EP0512175A1 Process for removing residual monomers and oligomers from amine-containing polymers
11/11/1992CN1019002B Thin layer dehydrating membrane
11/11/1992CN1018983B Tetrabromo bisphenol based polyester carbonate membranes
11/10/1992US5162076 Electrodialysis
11/10/1992US5161611 Channel plate assembly with parallel plates, process and fixture for manufacturing the same, and plate apparatus provided with the same
11/10/1992CA1309970C Process for continuous electrophonetic and electro-osmotic separation of charged pulverulent solid matters
11/07/1992CA2067283A1 Ultrafiltration process for the recovery of polymeric latices from whitewater
11/04/1992EP0511839A2 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
11/04/1992EP0511719A2 System for the extraction and utilization of oxygen from fluids
11/03/1992US5160619 Composite reverse osmosis membrane and production thereof
11/03/1992US5160616 Filtering apparatus
11/03/1992US5160615 Hollow fiber type liquid processing apparatus
11/03/1992US5160608 High efficiency water treatment system
11/03/1992US5160437 Pressing through crosslinked membrane to force low molecular weight impurities out through pores
11/03/1992US5160430 Car wash system using reverse osmosis concentrate for initial rinsing and permeate for final rinsing
11/03/1992US5160429 Piping system for supplying ultra-pure water
11/03/1992US5160046 Membrane separation process
11/03/1992US5160044 Supercritical extraction
11/03/1992US5160038 Water purifying apparatus
10/1992
10/30/1992CA2052550A1 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
10/29/1992WO1992018218A1 Horizontal motion quick-disconnect filter system with recirculating bypass
10/29/1992WO1992018191A2 Dialysis probe
10/29/1992WO1992015633A3 Improved management of waste solution containing photoresist materials
10/28/1992EP0511110A2 Bacteria removal by ceramic microfiltration
10/28/1992EP0510328A2 Apparatus for treating activated sludge
10/28/1992EP0377685B1 Process for selective removal of certain compounds from beverages
10/28/1992EP0213157B1 Concentration of solids in a suspension
10/27/1992US5159130 Permselectivity
10/27/1992US5158683 Nanofiltration
10/27/1992US5158681 Dual membrane process for removing organic compounds from the water
10/27/1992US5158674 Radioactive waste liquid treatment apparatus
10/27/1992CA1309360C Dewatering slurries
10/27/1992CA1309219C Electrodialysis membranes comprising sulfonated constituents
10/24/1992CA2041041A1 Method for treating solutions in hydrometallurgical zinc processing
10/23/1992CA2065918A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
10/23/1992CA2065880A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
10/23/1992CA2065879A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
10/21/1992EP0509105A1 Device for regenerating organic solvent
10/21/1992CN1065464A Process for removing residual monomers and oligomers from amine-containing polymers
10/20/1992US5156740 Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process
10/20/1992US5156739 Eductor to reduce pressure
10/20/1992US5156737 Orally operable, portable, water filtration device
10/15/1992WO1992017762A1 Apparatus and methods for on-line analysis of one or more process streams
10/15/1992WO1992017401A1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution
10/15/1992WO1992017261A1 A vacuum clamped multi-sample filtration apparatus and method
10/14/1992EP0508107A1 Process for pollution-free spray painting with an air-drying lacquer, dissolved, emulsified or dispersed in water
10/14/1992EP0507827A1 Separation method and device using tangential microfiltration, reverse osmosis, or two-stage ultrafiltration
10/13/1992US5154832 Degassing water systems
10/13/1992US5154820 Reverse osmosis system with cycled pressure intensifiers
10/13/1992US5154809 Process for purifying water
10/08/1992DE4109267C1 Hydrogen sulphide, ammonia and hydrogen cyanide absorption from process gas - by using circulating wash contg. aq. ammonium soln. and clean water and working up loaded absorption soln. obtd. from hydrogen sulphide absorber by reverse osmosis
10/07/1992EP0507416A1 Method for concentrating an effluent
10/07/1992CN1065054A Apparatus for treating activated sludge