Patents
Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
12/1985
12/10/1985US4557957 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture
12/04/1985EP0163146A1 Separation method, separation device and separation apparatus for separating body fluid into respective components
12/04/1985EP0162964A2 Method for the production of an asymmetric membrane
12/03/1985US4556530 Method for producing a very thin dense membrane
11/1985
11/27/1985EP0162068A1 Separating oil emulsions.
11/19/1985US4554076 Method of modifying membrane surface with oriented monolayers of amphiphilic compounds
11/13/1985EP0037394B1 A device for removal of substances from a liquid
11/07/1985WO1985004111A3 Structure with membranes having continuous pores
11/06/1985EP0160473A2 Crosslinkable chemical formulation and composite semipermeable membrane made therewith
10/1985
10/30/1985EP0159377A1 Filter and its use
10/24/1985WO1985004593A1 High flux membrane
10/22/1985CA1195653A1 Selectively gas-permeable composite membrane and process for production thereof
10/15/1985CA1195190A1 Continuous production of polymethylpentene membranes
10/09/1985EP0157425A2 Process for making a casting solution and membranes prepared from that casting solution
10/09/1985EP0156840A1 Treatment of porous membranes
10/09/1985EP0156837A1 Reverse osmosis membrane and process for making
10/08/1985US4545872 Method for reducing carbon dioxide to provide a product
10/08/1985CA1194834A1 Selectively gas-permeable composite membranes and process for the production thereof
09/1985
09/26/1985WO1985004111A2 Structure with membranes having continuous pores
09/25/1985EP0155534A2 Cellulose dialysis membrane with improved biocompatibility
09/25/1985EP0155533A2 Membranes of not essentially cross-linked polymers
09/18/1985EP0155173A2 Process for preparation of fluorine-containing polymer films
09/18/1985EP0044872B1 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same
09/17/1985US4542010 Method and apparatus for producing oxygen and nitrogen and membrane therefor
09/11/1985EP0154620A2 Structure with membranes having pores extending throughout, process for producing this structure and its uses
09/11/1985EP0154248A2 Membranes of organic polymers containing crystalline carriers, their manufacture and their use
09/11/1985EP0154247A2 Membrane of vinyl polymers and its use
08/1985
08/21/1985EP0152011A2 Gas-permeable laminate
08/07/1985EP0150699A2 Multicomponent gas separation membranes having polyphosphazene coatings
08/06/1985US4533369 Gas-permselective composite membranes and process for the production thereof
07/1985
07/23/1985US4530703 Cross-linked polyarylene oxide membranes
07/18/1985WO1985003012A1 Charge modified microporous hollow tubes
07/10/1985EP0147570A2 Process for the manufacture of asymmetric, porous membranes and product thereof
07/09/1985US4528004 Aromatic polyimide composite separating membrane
07/09/1985CA1190100A1 Process for producing aromatic polyimide composite separating membrane
07/03/1985EP0015293B1 Method and apparatus for producing hollow microspheres
07/02/1985CA1189828A1 Laminated polymer membrane with intervening reinforcement thereof
06/1985
06/19/1985EP0144493A2 Method of preparing asymmetric membranes
06/19/1985EP0144410A1 Biochemical detection and/or treatment process
06/12/1985EP0144054A2 Composite films adapted for selective gas separation
06/11/1985CA1188577A1 Supported reverse osmosis membranes
06/05/1985EP0143552A2 Composite membrane and process for the production thereof
05/1985
05/28/1985US4520044 Production of composite membranes
05/23/1985WO1985002128A1 Separating oil emulsions
05/15/1985EP0141176A2 Permeable membrane for hydrogen, its manufacturing method and use
05/14/1985US4517142 Decomposition and diffusion
05/08/1985EP0140544A2 Method for preparation of graft polymer membranes, and anion and cation exchange membranes
05/08/1985EP0140073A2 Permeable membrane for hydrogen
05/08/1985EP0139806A1 Process and apparatus for producing a filter, and filter thus produced
05/07/1985US4515906 Anisotropic microporous supports impregnated with polymeric ion-exchange materials
04/1985
04/03/1985EP0135593A1 Hollow fibers for use in dialysis and artificial kidney
04/03/1985EP0135514A1 Cross linked porous membranes.
04/02/1985CA1184716A1 Plasma phoresis membrane
03/1985
03/28/1985WO1985001222A1 Treatment of porous membranes
03/27/1985EP0135069A2 Composite membrane having a surface layer of an ultrathin film of cage-shaped zeolite and processes for production thereof
03/19/1985US4505985 Membranes based on silicic acid heteropolycondensates and a process for their production
03/19/1985US4505822 Process for separating substances from one another using a fibrin gel filter
03/19/1985US4505817 Fibrin gel-containing filter of porous material
03/19/1985US4505797 Ion-exchange membranes reinforced with non-woven carbon fibers
03/14/1985WO1985000985A1 Reverse osmosis membrane and process for making
03/13/1985EP0134056A2 Method for producing a very thin, dense membrane and (supported) membrane so produced
03/13/1985EP0134055A2 Composite dense membrane and fluid(s) separation process carried out therewith
03/13/1985EP0133882A2 Moulded articles with pores
02/1985
02/26/1985US4501785 Dialysis, water treatment
02/26/1985CA1182959A1 Reverse osmosis membrane and process for making the same
02/19/1985US4500667 Polymer blended membranes
01/1985
01/29/1985US4496502 Method of gelling a gelation shrinkable, polymer casting solution
01/22/1985CA1181206A1 Hollow fibre membrane for plasma separation
01/16/1985EP0131559A1 Amorphous aryl substituted polyarylene oxide membranes
01/15/1985US4493714 Ultrathin film, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture
01/15/1985CA1180859A1 Method and apparatus for producing hollow metal microspheres and microspheroids
01/09/1985EP0130965A1 Cross-linked polyphenylene oxide
01/09/1985EP0130963A1 Cross-linked polyarylene oxide membranes
01/02/1985CA1180235A Composite semipermeable membrane and process for preparation thereof
12/1984
12/27/1984CA1179809A Process for preparation of improved semipermeable composite membranes
12/25/1984US4490431 0.1 Micron rated polypropylene membrane and method for its preparation
12/20/1984WO1984004932A1 Biochemical detection and/or treatment process
12/18/1984US4488886 Amorphous aryl substituted polyarylene oxide membranes
11/1984
11/27/1984US4484935 Polydimethyl siloxane coating; for gas separation
11/20/1984US4483901 Selectively gas-permeable composite membrane and process for production thereof
11/13/1984US4482514 Process for the production of an ultrafiltration membrane from polyamide
11/13/1984CA1177783A1 Fluorinated reinforced polymer membrane with sulfonyl and/or carboxyl groups
11/07/1984EP0124028A2 Heterogeneous membrane and process for production thereof
10/1984
10/31/1984EP0123261A2 Process for electrochemically separating ion mixtures
10/23/1984CA1176511A1 Method of gelling a gelation shrinkable, polymer casting solution
10/10/1984EP0121099A2 Apparatus for the production of potable liquid from sea water, polluted water and the like
09/1984
09/27/1984WO1984003645A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture
09/18/1984US4472175 Polymer film coated with bronsted or lowry acid; permselectivity
09/18/1984CA1174408A1 Ultrafiltration membrane of polyamide and process for the preparation thereof
09/11/1984US4470831 Permselective membrane
08/1984
08/30/1984WO1984003228A1 Hollow fibers for use in dialysis and artificial kidney
08/28/1984US4468502 Cross-linked polyphenylene oxide
08/21/1984US4467001 U-shaped tubal vessel, then separated and passed through drying and curing zones
08/21/1984US4466931 Very rapid irradiation polymerization
08/16/1984WO1984003054A1 Cross linked porous membranes
08/07/1984US4464498 Membrane for concentrating amino acids and process for concentrating amino acids
08/07/1984US4464321 Process for the preparation of chitosan fibers
08/01/1984EP0114286A2 Semi-permeable encapsulated membranes, process for their production and their use
07/1984
07/31/1984CA1171615A1 Dialysis membrane of cellulose
07/24/1984CA1171284A2 Hollow inorganic film forming material microspheres