Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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01/12/1988 | US4718921 Method for removing water vapor from water vapor-containing gas |
01/12/1988 | CA1231210A1 Process for the preparation of porous bodies |
01/07/1988 | EP0251511A1 Bipolar membranes and method of making same |
01/07/1988 | EP0251495A1 Filter units having welded cellulose filters |
01/07/1988 | EP0251376A2 Asymmetrical membrane of polyesteramide and process for preparing it |
01/05/1988 | US4717455 Process for manufacturing a microfilter |
01/05/1988 | US4717425 Removal of ions from molasses |
01/05/1988 | US4717395 Gas separations using membranes comprising sulphonated polyether sulphone |
01/05/1988 | US4717394 Polyimide gas separation membranes |
01/05/1988 | US4717393 Photochemically crosslinked aromatic polyimides |
12/30/1987 | WO1987007849A1 Polyamide membranes |
12/29/1987 | US4715960 Method for the modification of polycarbonate membranes, the membranes produced by such method and their use |
12/23/1987 | EP0250346A1 Process for the production of a porous mineral membrane on an inorganic support |
12/23/1987 | EP0250337A1 Semi-permeable hydrophilic polyvinylidene fluoride membranes suited for drying |
12/22/1987 | US4714725 Suflonated polyaryletherketones |
12/22/1987 | US4714482 Organic polymer blend with inorganic acid such as sulfuric, phosphoric or heteropoly acid |
12/22/1987 | US4714481 Gas separation membrane |
12/17/1987 | WO1987007624A1 Bipolar membranes and methods of making same |
12/17/1987 | WO1987007623A1 Electrodialysis membranes comprising sulfonated constituents |
12/17/1987 | WO1987007618A1 Acid decrystallization of aminopolysaccharides and derivatives thereof |
12/16/1987 | EP0249513A2 Hydrophilic porous membrane, method for production thereof, and plasma separator using said membrane |
12/16/1987 | EP0249189A2 Membrane for hemodialysis |
12/16/1987 | CN87104069A Bipolar membranes and methods of making same |
12/16/1987 | CN87103123A Tetrabromo bisphenol based polyestercarbonate membranes and method of using |
12/16/1987 | CN87102812A Gas separations using membranes comprising perfluorinated polymers with pendant lonomeric moieties |
12/09/1987 | EP0248748A1 Processes for manufacturing mineral membranes and powder of mixed oxides of titanium and silicon |
12/09/1987 | EP0248599A2 Dynamic membranes |
12/09/1987 | EP0248392A2 Use of a porous inorganic siliceous-containing gas enriching material |
12/09/1987 | EP0248391A2 Porous siliceous-containing gas enriching material and process of manufacture and use |
12/08/1987 | US4711907 Membranes of substantially non-crosslinked organic polymers which contain bonded ionogenic groups |
12/08/1987 | US4711793 Process for charge modifying a microphorous membrane |
12/08/1987 | US4711719 Process for the production of crack-free semi-permeable inorganic membranes |
12/02/1987 | EP0247596A2 Porous membrane |
12/02/1987 | EP0247358A2 Copolymeric and amphiphilic and polyimide precursor, process for preparing the same and thin film |
12/01/1987 | US4710331 Compression molding, heating, slicing, cooling slowly and stretching; high-strength; uniformity |
12/01/1987 | US4710278 Of an organic polymer and heteropoly acid or salt mixtures |
12/01/1987 | US4710204 Acid gases from non-acid gases |
12/01/1987 | EP0138841A4 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix. |
11/24/1987 | US4708981 Interpenetrating polymer network |
11/24/1987 | US4708803 Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane |
11/24/1987 | US4708800 Polypropylene; artificial lung |
11/24/1987 | US4708799 Hollow fiber membrane for plasma separation |
11/24/1987 | CA1229530A1 Method of fabrication for microfiltration, ultrafiltration or reverse osmosis elements |
11/19/1987 | EP0245863A2 Composite ultrafiltration membranes |
11/19/1987 | EP0245857A1 Amphiphilic segment polyurethanes |
11/19/1987 | EP0245516A1 Polymer membrane for separating liquid mixture |
11/19/1987 | DE3714784A1 Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation A method of focusing of soft water by pervaporation loesungen |
11/19/1987 | DE3712391A1 Separating an emulsified liquid phase by a surface-modified porous membrane |
11/18/1987 | CN87102750A Semi-permeable membranes comprising predominantly polycarbonates derived from tetrahalobisphenols |
11/17/1987 | US4707266 Polyamide membrane with controlled surface properties |
11/17/1987 | US4707265 Reinforced microporous membrane |
11/11/1987 | EP0245000A2 Microporous membrane structure and method of making |
11/11/1987 | EP0244635A2 Process for enhancing the selectivity of asymmetric membranes |
11/10/1987 | US4705753 Biologically active acrylonitrile-based copolymeric membrane |
11/10/1987 | US4705636 Method of making a coating and a permselective membrane, ionic polymer therefor, and products thereof |
11/10/1987 | US4705632 Hollow fiber membrane formed from a block copolymer of aromatic polyester and polyoxyethylene for dialysis of blood |
11/10/1987 | US4705545 Thin film polymer blend membranes |
11/10/1987 | US4705540 Polyimide gas separation membranes |
11/04/1987 | EP0244126A2 Tetrabromo bisphenol based polyestercarbonate membranes and method of using |
11/04/1987 | EP0243876A2 Preparation of semi-permeable composite membranes |
11/03/1987 | US4704324 Reverse osmosis, gas separation, ultrafiltration |
10/28/1987 | EP0242878A1 Composite membrane |
10/28/1987 | EP0242877A1 Extractant-surfactant posttreatments of permselective composite membranes |
10/28/1987 | CN87102849A Composite membrahes |
10/27/1987 | US4702840 Charge modified polyamide membrane |
10/27/1987 | US4702836 Porous fluorine resin membrane and process for preparing the same |
10/27/1987 | US4702834 Plastic filter units having a weld cellulose filter |
10/21/1987 | EP0242208A1 Composite membrane |
10/21/1987 | EP0242204A1 Anodic aluminium oxide membranes |
10/21/1987 | EP0242147A2 The use of polycarbonate containing semipermeable membranes in the separation of gases. |
10/21/1987 | EP0242069A2 Semipermeable composite membranes produced from silicone water based emulsions applied to porous substrates |
10/21/1987 | EP0241937A2 Polyimide gas separation membranes |
10/20/1987 | US4701186 Polymeric membranes with ammonium salts |
10/20/1987 | CA1228302A1 Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes |
10/15/1987 | DE3712491A1 Microfiltration membrane, process for the production thereof and use thereof |
10/14/1987 | EP0240803A2 Process for the separation of the components of a liquid-mixture |
10/14/1987 | EP0240586A1 Post-cross-linked polymeric gels |
10/13/1987 | US4699892 Aluminum or gallium, silicon or germanium oxides on porous support; separation or catalytic action |
10/13/1987 | US4699637 Hydrogen permeation membrane |
10/13/1987 | CA1228041A1 Process for the dissolution of peptides and proteins, solutions thereby obtained and their use |
10/13/1987 | CA1228032A1 Process for removing pyrogens utilizing a hydrophobic microporous membrane |
10/13/1987 | CA1227975A1 Semipermeable encapsulated membranes, process for their manufacture and their use |
10/07/1987 | EP0239888A2 Gas separations using membranes comprising perfluorinated polymers with pendant ionomeric moieties |
10/06/1987 | US4698157 Filter membrane and method of manufacturing it |
09/29/1987 | US4696748 Plasma separator and a process for preparing the same |
09/29/1987 | US4696686 Oxygen separating member and process for producing the same |
09/23/1987 | EP0238276A2 Novel membranes and process for making them |
09/23/1987 | EP0238087A2 Process for producing a dynamic filter membrane |
09/23/1987 | EP0237865A2 Process for producing a microfiltration, ultrafiltration or reverse osmosis element |
09/23/1987 | EP0237581A1 Poly(di-substituted acetylene)/polyorganosiloxane graft copolymer and gas separation membrane |
09/22/1987 | US4695483 Method for the preparation of composite membranes based on interpenetrating polymer networks |
09/22/1987 | US4695383 Copolyamide from a diaminodiphenyl sulfone |
09/22/1987 | US4695295 Gas separation membranes from polymers containing a hydrocarbon backbone and pendant (hydrocarbylamido)alkyl ester moieties |
09/16/1987 | EP0237251A2 Membrane |
09/15/1987 | US4694077 Novel cellulose derivative, process for preparing the same and sulfur dioxide gas permselective membrane comprising the same |
09/15/1987 | US4693825 Adding benzyl alcohol to casting dope; unannealed membranes for reverse osmosis |
09/15/1987 | US4693824 Dissolving in a solvent, forming on a support, desolventizing and coagulation |
09/15/1987 | CA1226708A1 Filtration membrane and process for producing the membrane |
09/09/1987 | EP0236249A1 Porous fritted ceramic work pieces and process for their production |
09/08/1987 | US4692354 Impregnation pores of ceramic with alumina sol and sodium silicate, then high temperature water vapor treatment |