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)
12/1997
12/02/1997US5693477 Receptor membranes
12/02/1997US5693227 Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such method
11/1997
11/27/1997WO1997044121A1 Membrane separation of components in a fluid mixture
11/26/1997EP0808648A1 Porous polytetrafluoroethylene membrane, process for producing the same and its use as air filter material
11/26/1997EP0808207A1 High temperature, chemical resistant laminate for filtration systems
11/26/1997CN1166141A V. G. Karachevtsev, V. P. Dubyaga, N. V. Amelina et al. (RU)
11/25/1997US5691077 Shutdown, trilayer battery separator
11/20/1997WO1997043038A1 Interfacially synthetized reverse osmosis membranes based on 4-chloro-1,3-diaminobenzen, and production process
11/20/1997WO1997043037A1 Method for preparing membranes, said membranes, separation methods using said membranes and the use of said membranes as catalytic membranes
11/20/1997WO1997043024A1 Liquid chromatography column
11/20/1997CA2255048A1 Liquid chromatography column
11/19/1997EP0807460A1 Cellulosic dialysis membrane
11/19/1997EP0807459A1 Method for preparing membranes, said membranes, separation methods using said membranes and the use of said membranes as catalytic membranes
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
11/12/1997EP0806475A2 Filter apparatus and method of separating micro-tissues of an organism using said filter apparatus
11/12/1997EP0806237A2 Degassing liquids apparatus and method
11/11/1997US5685991 Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
11/10/1997CA2203051A1 Degassing liquids: apparatus and method
11/06/1997WO1997041168A1 Integral multi-layered ion-exchange composite membranes
11/06/1997WO1997040925A1 Particle-loaded membranes as oxidant scavengers
11/06/1997WO1997040924A1 Integral ion-exchange composite membranes
11/05/1997EP0804961A1 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it
11/05/1997EP0804269A1 Conductive filter laminate
11/05/1997CN1163793A High-permeability composite reverse osmosis membrane and reverse osmosis membrane assembly using same
11/04/1997US5684192 Polymerized to ion exchange resins with sulfonate groups, solid electrolytes, fuel cells
11/04/1997US5683916 Separating a ligate from a fluid
11/04/1997US5683584 Hollow fiber membranes and method of manufacture
10/1997
10/29/1997EP0803281A1 Filter element
10/29/1997EP0803280A2 Gas exchange apparatus
10/29/1997EP0803259A1 Gas exchange apparatus using improved silicone rubber hollow fiber
10/28/1997US5681473 Membrane separation process
10/28/1997US5681468 Filter coated with antimicrobial material
10/22/1997EP0801973A1 Selectively permeable hollow fiber membrane and process for producing same
10/21/1997US5679133 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures
10/14/1997US5677355 Continuous open-cell polymeric foams containing living cells
10/14/1997US5676832 Recovery of solvents and solutes from chromatographic systems
10/08/1997EP0799087A1 A strong water-permeable thin composite membrane
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
10/07/1997US5674398 Composite reverse osmosis membrane
10/01/1997EP0798036A2 Highly permeable composite reverse osmosis membrane and a reverse osmosis membrane module using the same
10/01/1997EP0797472A1 Process and plant for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration
09/1997
09/30/1997US5671754 Viral-proofing a protective barrier
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
09/24/1997EP0796140A2 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
09/23/1997US5670051 Polyethers
09/23/1997US5669958 Methane/nitrogen separation process
09/18/1997WO1997033684A1 Procedure for preparing molecular sieve films
09/18/1997WO1997033683A1 Endotoxin-specific membranes
09/18/1997WO1997033681A1 Asymmetric supported membrane for direct osmotic concentration
09/18/1997DE19609479A1 Endotoxin-spezifische Membranen Endotoxin-specific membranes
09/18/1997CA2249548A1 Endotoxin-specific membranes
09/18/1997CA2249360A1 Procedure for preparing molecular sieve films
09/18/1997CA2248256A1 Asymmetric supported membrane for direct osmotic concentration
09/17/1997CN1159770A Porous composite membrane and making process
09/12/1997WO1997033044A1 Cellulosic web with a contaminant barrier or trap
09/04/1997WO1997032171A1 Membrane-augmented cryogenic methane/nitrogen separation
09/04/1997WO1997031701A1 Methane/nitrogen separation process
09/03/1997CN1158274A Highly permeable composite reverse osmosis membrane
09/03/1997CN1158273A Polysulfone hollow fiber semipermeable membrane
09/02/1997US5663488 Thermal isolation system in an analytical instrument
08/1997
08/28/1997WO1997030778A1 Novel artificial pancreas
08/28/1997CA2218623A1 Novel artificial pancreas
08/26/1997US5660728 Accurate material handling
08/26/1997US5660680 Method for fabrication of high vertical aspect ratio thin film structures
08/21/1997WO1997029839A1 Method for making a filtration membrane deposited on a porous ceramic carrier
08/20/1997CN1157185A Solvent-resisting hollow fibre ultrafiltration membrane module
08/19/1997US5658669 Vinyl ester, vinyl alcohol, fluoropolymer layers; gas separation
08/19/1997US5658460 Interfacially contacting aqueous solution of polyamine monomer containing inorganic ammonium salt of acid with solution of polyfunctional acyl halide monomer in non-polar organic solvent, heating membrane to remove solvent
08/19/1997US5658444 Electrochemical sensors
08/14/1997WO1997028891A1 Self supporting hollow fiber membrane and method of construction
08/14/1997CA2245591A1 Self supporting hollow fiber membrane and method of construction
08/13/1997CN1156973A Mass transfer method and apparatus
08/12/1997US5656372 Apparatus for forming hollow fibers and said fibers
08/12/1997US5656167 Dimensionally stabilized breathable membrane
08/07/1997WO1997027934A1 Composite membrane with a support membrane made, in particular of microporous material
08/07/1997DE19604033A1 Grid-like structures having permeability ratio for e.g. particles or ions
08/06/1997EP0787525A1 Highly permeable composite reverse osmosis membrane
08/06/1997EP0787523A1 Apparatus and process for material-specific treatment of fluids
08/06/1997CN1156418A Membrance separation process
07/1997
07/30/1997EP0633053B1 Process for preparing a porous polytetrafluoroethylene film
07/29/1997US5652050 Microporous membranes for separating, analyzing biological fluids
07/29/1997US5651900 Microfabricated particle filter
07/29/1997CA1339054C Chlorine-resistant semipermeable membranes
07/24/1997WO1997026225A1 Hollow microfiber of ceramic material, a process for its manufacture and its use
07/24/1997WO1997026134A1 Highly porous polyvinylidene difluoride membranes
07/24/1997DE19701751A1 Hollow ceramic micro-fibre with low wall thickness and diameter
07/24/1997DE19546838C1 Composite hollow fibre membrane for osmo-metric molecular weight determination
07/24/1997CA2243520A1 Hollow microfiber of ceramic material, a process for its manufacture and its use
07/23/1997EP0785012A1 Blood filter unit
07/23/1997EP0784457A1 Porous microfabricated polymer membrane structures
07/23/1997CN1154870A Improved method for mfg. of acetate fiber pellicle and medical product thereof
07/22/1997US5650479 Interfacially polymerized polyester films
07/22/1997US5650451 Lamination, filters, packaging
07/22/1997US5650330 Calcium channel blockers in multilayer membranes with lipids and polyphosphates
07/22/1997CA2106482C Fiber spinning process and product thereof