Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
05/2001
05/25/2001WO2001036321A1 Apparatus and method for forming a membrane with nanometer scale pores
05/25/2001WO2001036072A1 Blood treating membrane, blood treating container and process for producing the same
05/23/2001EP1101792A1 Porous films and processes for the production thereof
05/23/2001EP1101790A1 Methods and apparatus for the formation of heterogeneous ion-exchange membranes
05/23/2001EP1100614A1 Polyimide membranes for recovery of aromatic solvents under hyperfiltration conditions
05/22/2001US6235377 Microporous membrane with a stratified pore structure created in situ and process
05/17/2001WO2001034372A1 Process of making anisotropic semipermeable membrane
05/17/2001WO2001034268A1 Methods and apparatus for capturing target substances from liquid media
05/17/2001DE19954158A1 Mikroporöse hydrophile Membran Microporous hydrophilic membrane
05/16/2001EP1099468A2 Microporous hydrophilic membrane
05/10/2001WO2001032236A1 Filter for selectively removing leukocyte
05/09/2001EP1097961A1 Polyolefin microporous film and method for preparing the same
05/09/2001CN1294610A MIcroporous polyolefin film
05/09/2001CN1294608A Polyolefin microporous film and method for preparing same
05/08/2001US6228477 Composite
05/08/2001US6228262 Polysulfone based hollow fiber membrane, and a process for preparing the same
05/03/2001DE19882417C2 Nichtporöse, gasdurchlässige Membran Non-porous, gas permeable membrane
05/01/2001US6225368 Water based grafting
04/2001
04/26/2001WO2001028667A1 Heat-resistant microporous film
04/25/2001CN1292302A Air filter material, filter assembly and filter unit and manufacturing method of air filter material
04/24/2001US6221476 Binding metal compounds
04/24/2001US6221247 Dioxole coated membrane module for ultrafiltration or microfiltration of aqueous suspensions
04/18/2001EP0946354A4 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
04/17/2001US6218441 Melt-spun polysulfone semipermeable membranes and methods for making the same
04/12/2001WO2001007148A9 Polymer membrane for the separation of gas mixture
04/11/2001EP1090676A1 Air filter medium, air filter pack and air filter unit comprising the same, and method for producing air filter medium
04/11/2001EP1090436A1 Process of making a composite menbrane
04/11/2001EP0647250B1 Porous polytetrafluoroethylene and preparation
04/10/2001US6214382 For use in filtration such as micro-filtration membrane, ultra filtration membrane, a membrane for medical use
04/10/2001US6214338 Comprising platelets and platelet releasate, from 5 to 400 mg/ml of fibrinogen, and a physiologically acceptable carrier comprising water and physiologically acceptable inorganic and organic ions at a physiologically acceptable concentration
04/10/2001US6214093 Filter medium for air filters
04/10/2001CA2066119C Heat-resisting porous membrane, hydrophilized heat-resisting porous membrane and production processes thereof
04/10/2001CA2008328C Semipermeable membrane made from a homogeneously miscible polymer blend
04/05/2001WO2001023413A1 Extracorporeal endotoxin removal method
04/05/2001US20010000183 A crosslinked polyurethane based on a polyisocyanate a polyhydric alcohol and a perfluoroalkyl alcohol; air and moisture permeability; water and liquid repellants; ileostomy vent filter membranes; protective fabrics; transdermal drugs
04/05/2001DE19947505A1 Verfahren zur Herstellung organischer Verbindungen im Membranreaktor Process for the preparation of organic compounds in the membrane reactor
04/04/2001EP1089077A2 Separation of a cellular suspension into cellular material and a filtrate
04/04/2001EP1088587A2 Process for the production of organic compounds in a membrane reactor
04/04/2001EP0686085B1 Process of making microporous pps membranes
03/2001
03/29/2001WO2001021285A1 Porous filter element and method of fabrication thereof
03/28/2001EP1085933A1 Phase-separation member
03/28/2001CN1289267A Methods for reforming polymer surface for improved wettability
03/22/2001WO2001019906A1 Polymethaphenylene isophthalamide based polymer porous film, method for producing the same and separator for cell
03/22/2001WO2001019505A2 Patterned porous structures
03/22/2001WO2001019504A2 Three dimensional patterned porous structures
03/21/2001EP1085590A1 Composite polymer membrane, method for producing the same and solid polymer electrolyte membrane
03/21/2001EP1085051A1 Sulfonic acid group-containing polyvinyl alcohol, solid polymer electrolyte, composite polymer membrane, method for producing the same and electrode
03/20/2001US6203850 Plasma-annealed porous polymers
03/20/2001CA2214122C Composite membrane
03/14/2001CN1287506A Expanded porous thermoplastic polymer membranes and method and device for the production thereof
03/13/2001US6200474 Cast membrane structures for sample prepartion
03/08/2001WO2001016229A1 Capillary collapse resistant microporous material and method
03/07/2001EP1081775A2 Battery separators with reduced splitting propensity
03/07/2001EP1081098A1 Filtration and purification system for aqueous acids
03/07/2001EP1080777A1 Ultrafiltration membrane and method for producing the same, dope composition used for the same
03/07/2001EP1080144A1 Microporous materials containing cross-linked oil
03/07/2001EP1079912A1 Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine
03/07/2001CN1286502A Cell separator with reduced break tendency
03/07/2001CN1062806C Porous polytetrafluoroethylene and preparation
03/01/2001WO2001014062A1 Filtration and purification system for ph neutral solutions
03/01/2001WO2001014047A1 Filter membranes for physiologically active substances
03/01/2001DE19936044A1 Polyaniline membrane, for use in gas separation, pervaporation and liquid phase separation, has layer(s) of polyorganosiloxane
03/01/2001DE19929482A1 Membrane production for olefin/paraffin separation, comprises use of polymer matrix containing transition metal salt which reversibly complexes unsaturated organic compounds and avoids addition of water or alcohol to the feed
02/2001
02/28/2001EP1077758A1 Crosslinked ion conductive membranes
02/28/2001CA2314455A1 Battery separators with reduced splitting propensity
02/27/2001US6193077 Non-cracking hydrophilic polyethersulfone membranes
02/20/2001CA2152651C Ion selective ceramic membrane
02/15/2001WO2001011006A2 Detection of micro-organisms
02/14/2001CN1061900C SAPO-34/ceramic composite separation film and its prepn
02/13/2001US6187987 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
02/13/2001CA2027901C Hardened gum formed-in-place membranes
02/08/2001WO2001008792A2 Charged filtration membranes and uses therefor
02/08/2001CA2379413A1 Charged filtration membranes and uses therefor
02/07/2001CN1283134A Microporous memebrane and method for providing the same
02/06/2001US6184029 Apparatus for the detection and analysis of particles or microorganisms in sample
02/06/2001US6183853 Porous materials containing melamine resin
02/06/2001US6183648 Process for purification of organic sulfonates and novel product
02/06/2001US6183640 Highly asymmetric anionic membranes
02/06/2001CA2181190C Mesoscale sample preparation device and systems for determination and processing of analytes
02/01/2001WO2001007148A1 Polymer membrane for the separation of gas mixture
02/01/2001CA2380119A1 Polymer membrane for separating mixtures of gases
01/2001
01/31/2001EP0772488B1 Porous composite membrane and process
01/30/2001US6180168 Process for the manufacture of a membrane device with internal sweep
01/30/2001US6180008 Separation of aromatic hydrocarbons
01/30/2001US6179132 Surface modified polymeric substrate and process
01/30/2001CA2002799C Extrusion of hollow fibre membranes
01/25/2001WO2001005492A1 Polyvinylidene difluoride membranes and methods for making such membranes
01/24/2001EP1070029A1 Chemical control over ceramic porosity using carboxylate-alumoxanes
01/24/2001EP1069938A1 Organic ion-selective membranes
01/24/2001CN1061060C Porous stretched article of polypropylene-based resin and process for its preparation
01/23/2001US6177181 Used in water treatment, sewage treatment
01/23/2001US6177013 Use of a neutral or cationic polymer to prevent to activation of blood or plasma in contact with a semi-permeable membrane
01/23/2001US6177011 Composite reverse osmosis membrane having a separation layer with polyvinyl alcohol coating and method of reverse osmotic treatment of water using the same
01/18/2001WO2001003814A1 Poly(1-trimethysilyl-1-propyne) membrane regeneration process
01/18/2001DE19910012C1 Verfahren zur Herstellung von Formkörpern A process for the production of molded articles
01/16/2001CA2202657C Conductive filter laminate
01/11/2001WO2001002085A1 Method for manufacturing multiple channel membranes, multiple channel membranes and the use thereof in separation methods
01/11/2001WO2000051198A3 Solid gel membrane
01/10/2001EP1066403A1 Method for detecting micro-organisms in gases
01/10/2001EP1066106A1 Reinforced, three zone microporous membrane
1 ... 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 ... 119