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)
12/1988
12/28/1988	EP0296336A1 Dynamic pressure filter
12/28/1988	CA1247548A Process for the production of l-malic acid
12/27/1988	US4793072 Dehydration method and dehydration system
12/21/1988	EP0296043A1 Heat-welded or adhesive-bonded unitary construction cartridge for the production of ultrapure water
12/21/1988	EP0295591A2 Process for separating dicarboxylic acids
12/21/1988	EP0295566A1 Small volume tangential flow filtration apparatus
12/20/1988	US4792404 Using chlorine-resistant polyamide membrane
12/20/1988	US4792284 Device for creating and exploiting a pressure difference and the technical application thereof
12/15/1988	WO1988009771A1 Water purification system
12/15/1988	WO1988009698A1 Liquid separator
12/15/1988	WO1988009693A1 Reverse osmosis apparatus
12/14/1988	EP0294877A1 Use of electrodialysis for the regeneration of acid solutions
12/14/1988	EP0294827A2 Separation of liquid mixtures
12/14/1988	EP0294528A2 Proton ionizable macrocyclic compounds and selective competitive separation of desirable metal ions from mixtures thereof with other ions
12/13/1988	US4790941 Mixture with water flowing perpendicular to porous hydrophobic hollow fiber
12/13/1988	CA1246476A1 Process for the preparation of a germ-free solution of a lactose-splitting enzyme and its use
12/07/1988	EP0293737A2 Ammonia separation using semipermeable membranes
12/07/1988	EP0293736A2 Ammonia separation using ion exchange polymeric membranes and sorbents
12/07/1988	EP0129554B1 Prepackaged fluid processing module having pump and valve elements operable in response to applied pressures
12/06/1988	US4789526 Vacuum diagnostic device
12/06/1988	US4789482 Ultrafiltration of blood plasma; protein selectivity
12/06/1988	US4789480 Membrane module and the use thereof for the separation of liquids according to the pervaporation process
12/06/1988	US4789468 Porous membrane separates immiscible feed solution and extractant; prevents dispersion
12/01/1988	WO1988009370A1 Separation of specific biological substances by a biochemical filter
12/01/1988	DE3715856A1 Apparatus for concentrating electrically charged macromolecules - in particular eluted from a gel - situated in a liquid
11/1988
11/30/1988	CN88102874A Improved composite separation membranes and preparation and use thereof
11/30/1988	CN88102873A Composite membranes for enhanced fluid separation
11/29/1988	US4787982 Osmosis, dialysis, electrodialysis
11/29/1988	US4787981 Polyimide semipermeable membrane
11/29/1988	US4787980 Continuous sampling, analyzing; multiplex units, electronic controller; for industry
11/29/1988	CA1245567A1 Hollow-fiber filtering module and water purification device utilizing it
11/24/1988	DE3816434A1 Filter module of sheet filter elements
11/23/1988	EP0292267A2 Pumping apparatus and method
11/23/1988	EP0291679A1 Method and production of an asymmetric membrane
11/22/1988	US4786482 Bayer process for producing aluminum hydroxide having improved whiteness
11/22/1988	US4786393 Microroughening, coating with inert grease; closed solid stack
11/22/1988	US4786386 Softening
11/22/1988	CA1245166A1 Dialyzer having improved side ports and method of manufacture
11/17/1988	WO1988008737A1 Method and apparatus for treating water, water treated thus obtained and its utilization
11/17/1988	EP0229150B1 Apparatus for desalinating salt water by membrane distillation
11/15/1988	US4784771 Method and apparatus for purifying fluids
11/15/1988	US4784763 Water purification machine
11/09/1988	CN88102257A Analytical method and apparatus for characterizing latexes
11/08/1988	US4783264 Process and an apparatus for the recovery of a compound
11/03/1988	WO1988008324A1 Quick-change filter cartridge and head therefor
11/02/1988	EP0289183A2 Production of rapeseed protein materials
11/02/1988	CN88102321A Method for reduction of impurity in alkaline solution in producing aluminium hydroxide by bayer-process
11/01/1988	US4781889 Hollow fiber membrane type artificial lung
11/01/1988	US4781837 Method of performing osmetic distillation
11/01/1988	US4781809 Recovering free organic acids from solutions in which they occur with other organic matter
10/1988
10/27/1988	DE3711695A1 Distribution cap for a device for the extracorporal treatment of blood or its components
10/25/1988	US4780212 Controlled intensity, frequency, and time
10/25/1988	US4780211 Method of dewatering using PTFE membrane
10/25/1988	US4780202 Filtering unit using a diaphragm between a pair of opposite grooved backing surfaces
10/25/1988	US4780114 Molten salt hydrate membranes for the separation of gases
10/25/1988	CA1243786A1 Cross-flow microfiltration lime softener
10/25/1988	CA1243612A1 Survival desalination device
10/20/1988	WO1988008084A1 Axial control valve
10/20/1988	WO1988007975A1 Process for reducing the impurities in lyes in the bayer process
10/20/1988	DE3810779A1 Filter element for separating off cholesterol-containing precipitates from blood plasma
10/19/1988	EP0287283A2 Analytical method and apparatus for characterizing latexes
10/19/1988	EP0286714A1 Electroosmotic dewaterer
10/18/1988	US4778688 Production of low-ethanol beverages by membrane extraction
10/18/1988	US4778569 Converting a portion to vapor phase and condensing; countercurrent gas flow
10/18/1988	US4777953 Capillary filtration and collection method for long-term monitoring of blood constituents
10/18/1988	CA1243152A1 Diffusion barrier with microporous matrix for separation by counter diffusion
10/13/1988	DE3810774A1 Apparatus and process for sterility testing of liquids and of substances transferred into a liquid phase by the membrane filter method
10/13/1988	DE3711735C1 Filtration apparatus for filtering liquids, in particular by reduced pressure
10/13/1988	DE3711734C1 Filtration apparatus for the filtration of liquids, in particular by means of reduced pressure or overpressure
10/12/1988	EP0286143A1 Removal of salts from aqueous alkanolamine using an electrodialysis cell with an ion exchange membrane
10/12/1988	EP0286091A2 Composite membranes for enhanced fluid separation
10/12/1988	EP0286090A1 Improved composite separation membranes and the preparation and use thereof
10/12/1988	EP0285993A2 Filter element for separating cholesterol from blood plasma and disposable filter unit completed by a housing
10/11/1988	CA1242977A1 Reverse osmosis hand pump
10/06/1988	WO1988007406A1 Improvements relating to separation of charged molecules
10/06/1988	WO1988007399A1 System for separating solutions
10/06/1988	WO1988007398A1 Cross-flow filtration device and method of making
10/06/1988	DE3709570A1 Process for eliminating traces of elemental mercury from water
10/06/1988	DE3709456A1 Process and apparatus for breaking liquid membrane emulsions from metal extraction processes
10/05/1988	EP0285116A2 Apparatus and process for testing the sterility of liquids and substances transferred in a liquid phase by the membrane filtering method
10/04/1988	US4775486 Process and apparatus for clarifying liquids
10/04/1988	US4775480 Membrane processes for treatment of and recovery of components from kraft black liquors
10/04/1988	US4775479 Process for selectively recovering Ge and as from aqueous solutions
10/04/1988	US4774955 Programmable dialyzer system analyzer and method of use
10/04/1988	CA1242670A1 Removing anion from organic compound in four-chamber electrolytic cell with ion exchange membranes
09/1988
09/28/1988	EP0284394A2 Selective high performance electrokinetic separations employing the surface of moving charged colloidal particles
09/28/1988	EP0283663A1 Blood separation system
09/27/1988	US4774365 Etherification, deetherification, distillation azeotropic mixture
09/27/1988	US4774038 Polyamide membranes
09/27/1988	US4774002 Filtration, cleaning, cementation
09/27/1988	US4773991 Water purification system fluid path
09/22/1988	DE3712574C1 Axialsteuerventil Axialsteuerventil
09/20/1988	US4772390 Filter membrane of hollow microporous olefin fibers removes traces of low molecular weight organics
09/20/1988	US4772385 Control for use with reverse osmotic treatment system
09/14/1988	EP0282355A2 Blended fiber dialyzers
09/13/1988	US4770793 Filter cake
09/13/1988	US4770786 Separation of organic liquid from mixture employing porous polymeric ultrafiltration membrane
09/13/1988	US4770784 Scrubbing process for high feed concentrations
09/13/1988	US4770776 Membrane bag, a winding module made from a membrane bag and a method of producing a membrane bag
09/13/1988	US4770770 Demineralization

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