Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
08/2000
08/29/2000US6110309 Process of making a polyvinylidene difluoride membrane
08/24/2000WO2000049073A1 Polyolefin microporous film and method for preparing the same
08/24/2000WO2000023249A3 Cellulose extrusion
08/24/2000DE19907564A1 Separation of small particles, especially macromolecules, in suspension comprising pumping the suspension back and forth through a barrier with profiled pores
08/23/2000EP1029005A1 Self-arranging coating
08/22/2000US6106723 Biological applications for ultrapure water, absorbent composition comprising a polymeric support and a multiplicity of ligands comprising alkylamino group, wherein at least a portion of said ligands is crosslinked.
08/17/2000WO2000047313A1 Porous composite membrane, and a method of treating a membrane
08/15/2000US6103172 Employed as semipermeable barriers between two or more miscible fluids.
08/15/2000US6103121 Membrane absorbent for metal ion absorption with hydrolysis of polyacetylated cellulose, oxidation free hydroxyl groups to aldehydes and joining polyamino acid to cellulose
08/15/2000US6103119 Filter cartridges having track etched membranes and methods of making same
08/15/2000US6103117 Polysulfone hollow fiber semipermeable membrane
08/10/2000WO2000045943A1 Porous medium having a plasma polymerized surface
08/10/2000WO2000045942A1 Preparation of polyethersulfone membranes
08/10/2000WO2000045941A1 Non-cracking hydrophilic polyethersulfone membranes
08/10/2000WO2000029101B1 Microporous flat, capillary or tubular membrane and method of manufacturing the same
08/09/2000EP1025893A2 Process for the manufacture of a membrane device with internal sweep
08/09/2000EP1024886A1 A manufacturing method of composite membrane having hydrophilic coating layer on hydrophobic support membrane
08/09/2000EP1024881A1 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell
08/09/2000EP1015098A4 Cast membrane structures for sample preparation
08/09/2000EP0880401B1 Method of treating polyamide membranes to increase flux
08/08/2000US6099804 Blood proteins and red blood cells will not stick to surface of membrane; resistance to repeated rinsing
08/08/2000US6099621 Membrane formed from a polyamine or its blend; at least one group 1a, 2a, 3a, or amine salt of an aminoacid of given formula; and a crosslinking agent; membrane permselective for carbon dioxide
08/03/2000WO2000044482A2 Skinned hollow fiber membrane and method of manufacture
08/02/2000EP1023484A1 Improved industrial fabrics
08/02/2000CN1261604A Porous polytetrafluorethylene
08/01/2000US6096213 Puncture-resistant polyolefin membranes
08/01/2000CA2002798C Porous membranes
07/2000
07/27/2000WO2000043115A1 Ethylene-vinyl alcohol hollow fiber membranes
07/27/2000WO2000043114A1 Integrally asymmetrical polyolefin membrane
07/27/2000WO2000043113A1 Method for producing an integrally asymmetrical polyolefin membrane
07/25/2000CA2205301C Process for preparing polyether ether ketone membrane
07/20/2000WO2000022684A3 Composite solid polymer electrolyte membranes
07/19/2000EP1020276A1 Porous membrane comprising ceramic and containing plastic as binder
07/19/2000EP1019238A4 Microporous membrane with a stratified pore structure created in situ and process
07/19/2000EP1019238A1 Microporous membrane with a stratified pore structure created in situ and process
07/19/2000EP1019179A1 Gelatine membrane filters and method for producing the same
07/19/2000EP0812339B1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same
07/18/2000US6090895 Crosslinking a polymer having pendant acid halide groups or pendent amide groups; especially crosslinking sulfonated polyether ketones with sulfonamides or sulfonyl halides
07/18/2000US6090441 Impregnating support with polymer
07/13/2000WO2000040321A1 Ozone treatment of surface of membrane to improve permselectivity
07/13/2000DE19900493A1 Verfahren zur hydrophilen Beschichtung von Membranen For the hydrophilic coating of membranes
07/12/2000EP1018362A2 Method of applying a hydrophilic coating to membranes
07/12/2000EP1018346A2 Leucocyte filter and method for manufacturing same
07/12/2000EP1017484A1 A process for repairing membrane imperfections
07/12/2000EP1017469A1 Microstructured filter
07/11/2000US6086764 Semipermeable encapsulated membranes with improved acid and base stability process for their manufacture and their use
07/06/2000WO2000038823A1 In situ manufacture of membrane microfilters
07/06/2000DE19851498A1 Polymerzusammensetzung, Membran enthaltend diese, Verfahren zu deren Herstellung und deren Verwendung Polymer composition, membrane containing these, processes for their preparation and their use
07/06/2000CA2356684A1 In situ manufacture of membrane microfilters
07/05/2000EP1016426A1 Leukocyte-removing filter material
07/05/2000EP1016425A1 Process for producing leukocyte-removing material and hydrophilized polyolefins
07/05/2000EP1015098A1 Cast membrane structures for sample preparation
07/05/2000EP0871566A4 Durable hydrophilic surface coatings
07/05/2000EP0527913B2 Method for making pvdf hollow fibre membranes
07/04/2000US6083401 Separative membrane and method for using this membrane
07/04/2000US6083393 Hydrophilic membrane
06/2000
06/21/2000EP1010457A1 Porous polyvinylidene fluoride resin film and process for producing the same
06/21/2000EP1009517A1 Highly porous polyvinylidene difluoride membranes
06/21/2000EP1009513A1 Moulded filter media comprising a sheet of porous nonwoven material
06/21/2000CN1257434A Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
06/15/2000WO2000034384A1 Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same
06/14/2000EP1007195A1 Highly asymmetric polyethersulfone filtration membrane
06/14/2000EP1007194A1 Polyion complex separation membrane with a double structure
06/14/2000EP0935494A4 Cationically charge-modified membranes
06/13/2000US6074871 Cell-culture reactor having a porous organic polymer membrane
06/13/2000US6074534 Method of increasing the wettability of a porous body
06/08/2000WO2000032294A1 Methods for reforming polymer surface for improved wettability
06/07/2000CN1255876A Surface modified porous membrane and process
06/06/2000US6071406 Rendering hydrophilic a separation membrane having a hydrophobic matrix polymer comprises doping the membrane solvent system with g-butyrolactone; adding a wetting agent such that the resulting membrane is instantaneously wetted.
06/02/2000WO2000030606A1 Method for regulating a chemical valve
05/2000
05/31/2000EP0764346A4 High vertical aspect ratio thin film structures
05/31/2000CN1254615A Process for preparing nuclear-tracking polypropylene membrane
05/25/2000WO2000029101A1 Microporous flat, capillary or tubular membrane and method of manufacturing the same
05/25/2000DE19853286A1 Electrically controllable laboratory gel-permeation device which can be used for laboratory or medical dosing of soluble substances
05/24/2000CN1254308A Highly asymmetric, hydrophilic, microfiltration membranes having large pore
05/24/2000CN1254300A Process for making surface modified porous membrane with perfluorocarbon copolymer
05/24/2000CN1254299A Article of manufacture including surface modified membrane and process
05/23/2000CA2069510C Dry high flux semipermeable membranes
05/18/2000WO2000027513A2 Polymer composition, membrane containing said composition, method for the production and use thereof
05/18/2000WO2000027512A1 Super selective hollow fibre membranes
05/18/2000WO2000027447A1 Blood purifying apparatus
05/18/2000DE19954335A1 Long-term highly-wettable fluororesins useful in permeable membranes and filters are obtained by roughening the surface and applying a thin film polymer, ceramics or metal coating
05/17/2000EP0999889A1 Integrally asymmetrical polyolefin membrane for gas transfer
05/16/2000US6063484 Thermally induced phase separated azlactone membrane
05/16/2000US6063297 Separation of blood cells from liquid suspension
05/11/2000WO2000026006A1 Method for producing foams made of polymers or polymer mixtures and moulded articles made from said foams
05/11/2000DE19850340A1 Verfahren zur Herstellung von Schäumen aus Polymeren oder Polymergemischen sowie daraus herstellbarer Formkörper A process for the production of foams from polymers or polymer blends as well as producible therefrom moldings
05/09/2000US6060530 Dispersing porogen comprising polyalkylene glycol in continuous monomeric component phase comprising perfluoropolyether unit; polymerizing and removing porogen from polymer
05/09/2000US6060415 Aligned molecular sieve crystals grown on anodic alumina membrane
05/04/2000WO2000024796A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
05/04/2000CA2342221A1 Novel ion-conducting materials suitable for use in electrochemical applications and methods related thereto
05/03/2000EP0997182A1 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof
05/03/2000EP0996495A1 FILTRATION MEMBRANE WITH CALCINED $g(a)-ALUMINA PARTICLES THEREIN
05/03/2000EP0585436B1 Immobilization of chemical species in crosslinked matrices
05/03/2000CN1051941C Process for partical modification of porous hydrophylic filter membranes, porous filter membranes and assembly comprising them
05/02/2000US6057060 Ultra-thin, single-ply battery separator
05/02/2000US6056903 Preparation of polyethersulfone membranes
05/02/2000US6056529 Systems for producing a plurality of different microporous phase inversion membrane each having any one of a plurality of different pore sizes from a single master dope batch
04/2000
04/27/2000WO2000023249A2 Cellulose extrusion
04/26/2000EP0994747A1 Highly asymmetric ultrafiltration membranes
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