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)
07/1992
07/28/1992US5133867 Reverse osmosis process for recovery of C3 -C6 aliphatic hydrocarbon from oil
07/28/1992US5133858 Reverse osmosis water purification apparatus
07/28/1992US5133851 Polysiloxane reverse osmosis membrane
07/23/1992WO1992011924A1 A smoke filter
07/23/1992WO1992011923A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine
07/23/1992WO1992011922A1 Electrodialytic conversion of multivalent metal salts using sulfonate ions
07/23/1992WO1992011921A1 Back flushable filtration device and method of forming and using same
07/23/1992CA2059779A1 Membrane for a filtration, gas or liquid separation and pervaporation equipment, and making process of such a membrane
07/22/1992CN1017541B Fuel delivery system
07/21/1992US5132550 Wave powered prime mover
07/21/1992US5132415 From cellulose in aprotic solvents with lithium chloride and-or calcium chloride
07/21/1992US5132017 Reverse osmosis system
07/21/1992US5132015 Inducing flow of process fluid through separation modules in a continuous, recirculating loop, modules being submerged in permeate
07/21/1992US5131277 Reverse osmosis system
07/21/1992US5131266 Method and apparatus for continuously measuring the concentration of organic compounds in an aqueous solution
07/19/1992CA2051497A1 Membrane process
07/18/1992CA2034367A1 Method of recovering coating colour waste
07/16/1992CA2059223A1 Separation of a mixture of water, methylethyl ketone, and ethylene glycol mono-n-butyl ether into a) water and b) methylethyl ketone containing ethylene glycol mono-n-buthyl ether
07/15/1992EP0494334A1 Method for cleaning porous ceramic filters
07/15/1992EP0494150A1 Method and device for producing pure elemental iodine
07/14/1992US5130231 Blood plasma test device including a semipermeable membrane made of an expanded hydrophobic material that has been treated with a surfactant
07/14/1992US5130026 Process and apparatus for removing ammonium from aqueous liquids
07/14/1992US5130017 Multi-block polymer comprising a first amide acid prepolymer, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations
07/14/1992US5130015 Liquid purifying attachment having pressurizing piston
07/09/1992WO1992011089A1 Electrodeionization apparatus
07/09/1992WO1992011080A1 Electrodialysis of salts of weak acids and/or weak bases
07/09/1992WO1992011079A1 Method to produce sodium citrate using electrodialysis
07/09/1992WO1992010948A2 Process and system for selectively removing sugar from beverages
07/08/1992EP0493869A1 Apparatus for treating water
07/08/1992CN1062517A Comprehensive treatment technology for waste sizing liquid
07/07/1992US5128439 Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation
07/07/1992US5128037 Spiral wound filtration membrane cartridge
07/07/1992US5128035 Fluid flow control device for water treatment systems
07/07/1992CA1304697C Ammonia separation using semipermeable membranes
07/07/1992CA1304696C Ammonia separation using ion exchange polymeric membranes and sorbents
07/04/1992CA2033545A1 Method for the removal of monovalent ions from metal sulfate solutions
07/01/1992EP0492612A2 Electrolyzer and method of operating same
07/01/1992EP0492250A1 Spiral wound filtration membrane cartridge
07/01/1992EP0492209A1 Process for releasing organic sulphonic acids
07/01/1992CN1062299A System and method for processing biological fluid
06/1992
06/30/1992US5126503 Membrane process for dewatering lube oil dewaxing solvents
06/30/1992US5126052 Condensate polishing system incorporating a membrane filter
06/30/1992US5126043 Radial and axial flow filter device
06/30/1992US5126026 Guard membranes for use in electrodialysis cells
06/30/1992CA1304309C Cell processing apparatus and method
06/27/1992CA2058527A1 Electrolyzer and method of operating same
06/25/1992WO1992010278A1 Apparatus and method for electrodialytic treatment of salts to produce acid and/or base of improved purity
06/25/1992WO1992010275A1 Systems and methods for processing cellular rich suspensions
06/25/1992DE4041433A1 Multiphase sample mixt. prepn. appts. - includes back-flushable cross-flow filter
06/25/1992CA2096828A1 Apparatus and method for electrodialytic treatment of salts to produce acid and/or base of improved purity
06/23/1992US5124042 Injecitng solution into carrier liquid; detecting phenol that flows through semipermeable membrane
06/23/1992US5124041 Filter membrane, adsorption membrane for preferential adsorption of biomolecules
06/23/1992US5124033 Ultrapure water producing system
06/21/1992WO1992011078A1 Suppression of electroendosmosis in capillary electrophoresis
06/21/1992WO1992011077A1 Use of zwitterions to mobilize isoelectrically focused ampholyte zones
06/21/1992CA2074472A1 Suppression of electroendosmosis in capillary electrophoresis
06/17/1992EP0490322A1 Three-stage membrane gas separation process and system
06/17/1992EP0489770A1 Apparatus and method for removal of liquids
06/17/1992EP0477267A4 Process for removing ionizable impurities from non-aqueous fluids
06/16/1992US5122558 Static dissipative interpolymers
06/16/1992US5122265 Compact reverse osmosis system with cold water flush
06/16/1992US5122240 Electrolysis of alkali metal sulfate/chlorate mixture to produce alkali metal hydroxide and acidifed aqueous solution
06/11/1992WO1992009358A1 Flat sheet type separating film leaf
06/11/1992CA2057253A1 Three stage membrane gas separation process and system
06/10/1992EP0489693A1 Charged asymmetric mosaic membranes
06/10/1992EP0489573A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/ or deasphalted oil using interfacially polymerized membrane
06/10/1992EP0489403A2 Filter for parenteral systems
06/10/1992EP0449942A4 Phosphonic acids and their uses in separation
06/09/1992US5120438 Liquid purifying device incorporating air pumping means within container lid body
06/09/1992US5120437 Portable water filtration apparatus
06/09/1992US5120416 Introducing and removing ion-exchange and other particulates from an assembled electrodeionization stack
06/09/1992US5119860 Flow restrictor for water purification systems
06/09/1992CA1303068C Pervaporation process for separating alcohols from ethers
06/09/1992CA1302904C High recovery spiral wound membrane element
06/08/1992WO1992010314A1 Method for finishing metal surfaces with terpene
06/08/1992WO1992010263A1 Method and apparatus to detoxify aqueous based hazardous waste
06/08/1992CA2097936A1 Method for finishing metal surfaces with terpene
06/08/1992CA2097520A1 Method and apparatus to detoxify aqueous based hazardous waste
06/07/1992WO1992010276A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations
06/07/1992WO1992010274A1 Membrane made from multiblock polymer
06/07/1992CA2096439A1 Membrane made from multiblock polymer
06/07/1992CA2096437A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations
06/07/1992CA2031674A1 Compositions useful for preparing cellulose ester membranes for liquid separations
06/06/1992CA2047112A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane
06/03/1992EP0488665A1 Adsorbents for the removal of volatile substances from aqueous systems
06/03/1992EP0488095A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood
06/03/1992EP0487576A1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices.
06/02/1992US5118423 Method of removing water from a dilute solution of n-methylmorpholine-n-oxide, n-methylmorpholine, or morpholine
06/02/1992US5118399 Electrodialytic recovery process
05/1992
05/31/1992CA2056020A1 Adsorbents for the removal of volatile substances from aqueous systems
05/29/1992WO1992008810A1 A method and apparatus for fractionation of sugar containing solution
05/29/1992WO1992008542A1 Method for regenerating scale solvent
05/29/1992WO1992008537A1 An improved water purifier faucet fitting
05/29/1992WO1992003202A3 Medical drug formulation and delivery system
05/28/1992CA2055515A1 High efficiency removal of low density lipoprotein-cholesterol from whole blood
05/27/1992EP0487096A1 Single-needle extracorporeal plasmapheresis circuit
05/27/1992DE4037329A1 Treatment of waste water from glass grinding - by passing water in periodical reversing direction across ultrafiltration membrane, recycling permeate and adding concentrate to molten glass
05/26/1992US5116511 Regeneration
05/26/1992US5116509 Oxidation of organics, continuous processing
05/26/1992US5116507 Treatment for reducing impurities in aqueous liquor