Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
03/1998
03/10/1998US5726026 Mesoscale sample preparation device and systems for determination and processing of analytes
03/05/1998WO1998008595A2 Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation
03/05/1998WO1998008594A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof
03/04/1998EP0826413A1 Method for producing filter elements and the filter elements thus produced
03/04/1998EP0826412A2 Method for producing filter elements and the filter elements thus produced
03/04/1998EP0553167B1 Material and process for producing the same
03/03/1998US5723601 Stirring water based solutions with organic solvents and pore forming organic phase
02/1998
02/25/1998EP0824960A1 Hollow-fiber membrane of polysulfone polymer and process for the production thereof
02/25/1998EP0824959A1 Porous film
02/25/1998EP0824958A2 Method of producing microporous polyolefin membrane
02/25/1998EP0590007B1 Applying a fluoropolymer film to a body
02/24/1998US5721283 Porous polytetrafluoroethylene and preparation
02/18/1998EP0527992B1 Process for modifying the surface of mouldings in the form of microporous membranes, mouldings so produced and their use for separating substances by adsorption
02/11/1998EP0823281A1 Polysulfone copolymer membranes and process
02/10/1998US5716527 Zeolite membrane with a selectivity enhancing coating
02/03/1998CA2049459C Process for surface modifying a support membrane
01/1998
01/28/1998EP0820586A1 Defining an electrode area
01/28/1998EP0820343A1 Filter cartridges having track etched membranes and methods of making same
01/21/1998EP0819024A1 Dialysate filter
01/20/1998US5710187 Aromatic polymers reacted with halogen containing compounds
01/15/1998WO1998001208A1 Cationically charge-modified membranes
01/14/1998EP0627250B1 Method and device for draining-washing
01/14/1998EP0543973B1 Microporous membrane, its manufacture and use
01/14/1998EP0540549B1 Formation of porous materials
01/13/1998US5708040 Method for preparing porous membranes utilizing water or organic vapor adsorption
01/13/1998US5707526 Separation from erythrocytes
01/13/1998US5707522 For separating an organic substance from a mixture with water or another organic substance
01/13/1998US5707520 Remover unit for use in filtration circuit for removing at least leukocyte
01/07/1998EP0815162A1 Porous ptfe film and a manufacturing method therefor
01/07/1998EP0814898A1 Improved membrane
01/07/1998EP0814897A1 Composite membrane
01/07/1998EP0665867B1 Pore-size selective chemical modification of porous materials
01/06/1998US5705070 Micromachined filters
12/1997
12/30/1997US5702823 Medical equipment, prosthetics comprising a protective coatings cured polyestersiloxane block copolymers; insolubility, stability
12/30/1997US5702618 Methods for manufacturing a flow switch
12/24/1997WO1997048483A1 Affinity membrane system and method of using same
12/24/1997CN1036767C Permeable hydrogen membrane and preparing process thereof
12/24/1997CA2227550A1 Affinity membrane system and method of using same
12/23/1997US5700903 Polyethylene oxide di- or tri-block polymers having hydrophilic and hydrophobic blocksblended with a hydrophobic polymer
12/23/1997US5700902 Block copolymers
12/23/1997US5700559 For wetting polymers, contact lenses
12/18/1997WO1997047370A1 Microfabricated filter and method of making same
12/17/1997EP0812339A1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same
12/16/1997US5698325 Method of manufacturing a surface layer modified, molded article of aromatic polymer and the article so produced
12/16/1997US5698299 Thin laminated microstructure with precisely aligned openings
12/16/1997US5698105 Reverse osmosis membrane comprising sulfonated aromatic polyether sulfone support membrane laminated to layer of polyol crosslinked by formaldehyde or precursor thereof
12/16/1997US5698101 Hollow fiber membranes
12/16/1997US5697153 Method for manufacturing a fluid flow regulator
12/16/1997CA2086759C Microporous membrane, method of manufacture, and method of use
12/16/1997CA2077490C Integrity-testable wet-dry-reversible ultra-filtration membranes and method for testing same
12/10/1997EP0811420A1 Composite membrane for selective separaing organic substances by pervaporation
12/10/1997EP0811359A2 Composite material and process for manufacturing the same
12/10/1997CN1167005A SAPO-34/ceramic composite separation film and preparation thereof
12/09/1997US5695640 Hydrophobic substrate coated on at least one external surface and on the internal surface with a polyamide
12/03/1997CN1166373A Process for preparation of porous material and porous material
12/02/1997US5693694 Low and medium flux membranes
12/02/1997US5693210 Method of manufacturing porous alumina tube
11/1997
11/26/1997EP0808648A1 Porous polytetrafluoroethylene membrane, process for producing the same and its use as air filter material
11/25/1997US5691077 Shutdown, trilayer battery separator
11/25/1997US5690870 Method of manufacturing a polyimide-type gas permeation membrane including fluorine
11/19/1997EP0757589A4 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/19/1997EP0536297B1 Process and apparatus for removal of dna and viruses
11/13/1997WO1997041950A1 The use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes
11/11/1997US5685991 Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
11/06/1997WO1997040924A1 Integral ion-exchange composite membranes
11/05/1997EP0804269A1 Conductive filter laminate
11/05/1997CN1163793A High-permeability composite reverse osmosis membrane and reverse osmosis membrane assembly using same
11/04/1997US5683916 Separating a ligate from a fluid
11/04/1997US5683584 Hollow fiber membranes and method of manufacture
10/1997
10/29/1997EP0803533A2 Process for the preparation of porous material
10/28/1997US5681657 Biocompatible porous hollow fiber and method of manufacture and use thereof
10/28/1997US5681468 Filter coated with antimicrobial material
10/28/1997US5681467 Method for forming a membrane into a predetermined shape
10/22/1997EP0801953A1 Medical device for the extracorporal blood or plasma treatment and methods for the manufacture of such device
10/21/1997US5679264 Fibrous porous medium treated with plasma generated from mixture of gases for removing leukocytes from biological fluid
10/16/1997WO1997037752A1 Improved membrane
10/16/1997CA2249003A1 Improved membrane
10/14/1997US5677360 Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them
10/14/1997US5677355 Continuous open-cell polymeric foams containing living cells
10/14/1997US5677031 Porous fused polytetrafluroethylene structure consisting of sheet of particles fused together to form interconnected network
10/09/1997WO1997036994A1 Sensor and modified membrane for the sensor
10/09/1997WO1997036954A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997WO1997036953A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997WO1997036952A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997CA2250463A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997CA2250456A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997CA2250455A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/07/1997US5674919 Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same
10/02/1997WO1997035906A1 High water content porous polymer
10/02/1997WO1997035904A1 Process for manufacture of a porous polymer from a mixture
10/02/1997CA2248162A1 Process for manufacture of a porous polymer from a mixture
10/02/1997CA2248003A1 Process for manufacture of a porous polymer by use of a porogen
09/1997
09/30/1997US5672388 Membrane reparation and poer size reduction using interfacial ozone assisted chemical vapor deposition
09/25/1997WO1997034948A1 Low and medium flux membranes
09/25/1997WO1997034686A1 Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same
09/24/1997EP0796649A1 Process for preparing polyether ether ketone membrane
09/24/1997EP0796648A1 Hydrophilic film and process for producing the same
09/24/1997EP0796140A2 Method of treating membranes
09/24/1997CN1035928C Hydrophilized porous membrane and prodn. process
09/24/1997CN1035927C Method and apparatus for making hollow fibre membranes and made porous polymer membrane material
1 ... 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 ... 119