Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
04/2000
04/25/2000US6054085 Membrane
04/20/2000WO2000022684A2 Composite solid polymer electrolyte membranes
04/20/2000WO2000007702A3 Template-textured materials, methods for the production and use thereof
04/20/2000CA2342237A1 Composite solid polymer electrolyte membranes
04/18/2000US6051517 Molecular sieve membrane; separation of material
04/13/2000WO2000020493A1 Microporous polyolefin film and process for producing the same
04/13/2000WO2000020492A1 Microporous polyolefin film and process for producing the same
04/12/2000EP0992277A1 Dry semipermeable reverse osmosis membrane and process for preparing the same using saccharides
04/12/2000EP0721479B1 Polymer membrane having a high permeability for alkanol
04/12/2000CN1250391A Dialysis membranes and process for their production
04/11/2000US6048457 Cast membrane structures for sample preparation
04/04/2000US6045899 Rendered hydrophilic through co-casting a sulfone polymer with a hydrophilic polymer; for separation of liquids from solids contained therein
04/04/2000US6045694 Cationically charge-modified membranes
04/04/2000US6044981 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
03/2000
03/29/2000CN1248926A Cast membrane structures for sample preparation
03/29/2000CN1050772C Process for producing composite membranes
03/29/2000CN1050771C Improved compside fluid separation membranes preparation process and application thereof
03/29/2000CN1050768C Ultrafiltration membranes and making method and application thereof
03/28/2000US6043177 Modification of zeolite or molecular sieve membranes using atomic layer controlled chemical vapor deposition
03/28/2000CA2145451C Process for producing composite membranes
03/23/2000WO2000015679A1 Water based grafting
03/23/2000CA2343115A1 Water based grafting
03/21/2000US6039913 Process for the manufacture of an ophthalmic molding
03/21/2000US6039872 Hydrophilic membrane
03/16/2000WO2000014147A1 Method for producing a membrane
03/15/2000EP0985443A2 Semipermeable membranes
03/08/2000EP0889928B1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
03/08/2000CN1246877A Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with porous composite film
03/02/2000WO1999047246A9 Reinforced, three zone microporous membrane
03/01/2000EP0981404A1 Process for making surface modified porous membrane with perfluorocarbon copolymer
02/2000
02/29/2000US6030632 Non-leaching antimicrobial films
02/29/2000US6030484 Production method for laminated air filter
02/29/2000US6030428 High collection efficiency and a low pressure loss, reduced in the leakage of coarse particles; clean room filter media in various fields, in the production of semiconductors
02/24/2000WO2000009597A1 Puncture-resistant polyolefin membranes
02/24/2000WO2000009588A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
02/24/2000DE19836418A1 Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung Membrane for the separation of mixtures and process for their preparation
02/24/2000CA2338606A1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
02/24/2000CA2338549A1 Puncture-resistant polyolefin membranes
02/23/2000EP0981172A1 A hydrophilic polyolefin article
02/23/2000CN1245446A Filter medium and air filter unit using same
02/23/2000CN1245445A Coated porous materials
02/23/2000CN1245439A Reactive coatings
02/22/2000US6026968 Porous support; polyamide separation layer
02/17/2000WO2000007702A2 Template-textured materials, methods for the production and use thereof
02/17/2000DE19836514A1 Modification of engineering polymers with N-basic groups and ion exchange groups in the side chain gives membranes of good thermal and mechanical stability useful for fuel cells, diffusion dialysis, electrodialysis, and reverse osmosis
02/17/2000DE19835341A1 Bulk modified polyamide, useful for the production of pervaporation and gas separation membranes is prepared by addition of modifying agents to the melt
02/16/2000EP0979672A1 Membrane for separating fluid mixtures and process for making the same
02/16/2000EP0979138A1 Surface modified porous membrane and process
02/15/2000US6024872 Filtration membrane for micro- or ultra-filtration is formed from a complex of polyvinylidene flouride and calcined alumina particles
02/14/2000CA2277677A1 A hydrophilic polyolefin
02/10/2000WO2000006526A1 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
02/10/2000WO2000006293A1 Polyimide membranes for recovery of aromatic solvents under hyperfiltration conditions
02/09/2000EP0977624A1 Article of manufacture including a surface modified membrane and process
02/09/2000EP0975418A4 Membranes comprising aminoacid salts in polyamine polymers and blends
02/08/2000US6022902 Porous article with surface functionality and method for preparing same
02/02/2000EP0975680A1 Interactive system for substance presentation and elimination
02/02/2000EP0975418A1 Membranes comprising aminoacid salts in polyamine polymers and blends
02/01/2000US6019920 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
01/2000
01/25/2000US6017455 Non-sulfonated aromatic polyether ketone copolymer membrane having crystallinity of 10% by weight or higher and specific pore diameter; heat and chemical resistance; used to make ultrapure water for semiconductors, removal of iron etc.
01/19/2000EP0972559A1 Filter medium and air filter unit using the same
01/19/2000CN1242025A Melt-spun polysulfone semipermeable membranes and methods for making the same
01/18/2000US6015609 Solution polymerizable mixtures of solvent and monomer to form interpenetrating network polymer then removal of solvent
01/18/2000US6015599 High vertical aspect ratio thin film structures
01/13/2000WO2000001432A1 Oxygenator with surface coating
01/12/2000EP0970739A1 Filter medium for air filters
01/12/2000EP0614923B1 Hydrophilic material and semipermeable membrane made therefrom
01/11/2000US6013688 PVDF microporous membrane and method
01/05/2000EP0968196A1 Perfluorovinyl ionic compounds and their use in conductive materials
01/05/2000EP0968048A1 Dialysis membranes and process for their production
01/05/2000EP0946250A4 Hydrophilic polymeric phase inversion membrane
01/05/2000EP0888211A4 Highly porous polyvinylidene difluoride membranes
01/04/2000US6010776 Microporous materials containing cross-linked oil
01/04/2000US6010475 Apparatus for the treatment of blood by extracorporeal circulation and process of manufacture
12/1999
12/29/1999WO1999067013A1 Porous polyvinylidene fluoride resin film and process for producing the same
12/22/1999EP0965610A1 Microporous membrane and process for preparing the same
12/22/1999EP0964737A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same
12/21/1999US6004374 Dehydration of mixed gas stream and carbon adsorbent membrane with withdrawal of water
12/21/1999CA2092708C Cationic charge modified microporous membranes
12/15/1999EP0963240A1 Technique for testing and coating a microporous membrane
12/09/1999WO1999062993A1 Fine powder-type porous ptfe material
12/09/1999WO1999062986A1 Method for producing cellulosic shaped bodies
12/08/1999EP0889930B1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
12/07/1999US5998024 Polyvinylidene chloride
12/07/1999US5997741 Process for preparing a polyether ether ketone membrane
12/02/1999WO1999061141A1 Crosslinked ion conductive membranes
12/02/1999WO1999061130A1 Phase-separation member
12/02/1999CA2331720A1 Crosslinked ion conductive membranes
12/01/1999EP0960154A1 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film
11/1999
11/30/1999US5993716 Material and process for its preparation
11/30/1999CA2136006C Hollow fiber membrane incorporating a surfactant and process for preparing same
11/25/1999WO1999060054A1 Microporous materials containing cross-linked oil
11/25/1999WO1999059707A1 Highly porous polyvinylidene difluoride membranes
11/25/1999CA2292916A1 Highly porous polyvinylidene difluoride membranes
11/24/1999EP0958035A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof
11/23/1999US5989698 Coated porous materials
11/23/1999US5989433 Method of treating a photographic processing solution
11/23/1999US5989426 Reverse osmosis membrane comprising microporous support covered by a polyamide skin layer to provide high salt rejection and high permeability
11/17/1999EP0956149A1 Improved membrane
11/17/1999EP0956148A1 Coated porous materials
11/17/1999EP0815162B1 Porous ptfe film and a manufacturing method therefor
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