Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
09/1997
09/18/1997WO1997033683A1 Endotoxin-specific membranes
09/18/1997DE19609479A1 Endotoxin-spezifische Membranen Endotoxin-specific membranes
09/18/1997CA2249548A1 Endotoxin-specific membranes
09/17/1997CN1159770A Porous composite membrane and making process
09/10/1997EP0793998A2 Process for stabilising the properties of cellulosic membranes
09/03/1997CN1158274A Highly permeable composite reverse osmosis membrane
09/03/1997CN1158273A Polysulfone hollow fiber semipermeable membrane
08/1997
08/26/1997US5660728 Accurate material handling
08/26/1997US5660680 Method for fabrication of high vertical aspect ratio thin film structures
08/20/1997CN1157639A Mesoscale polynucleotide amplification device
08/19/1997US5658561 Method of producing anti-thrombogenic material and material produced thereby
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
08/13/1997EP0788833A1 Process for increasing the wettability of a porous body and device for carrying out the process
08/07/1997WO1997027935A1 Method of treating polyamide membranes to increase flux
08/06/1997EP0787525A1 Highly permeable composite reverse osmosis membrane
08/06/1997EP0787369A1 Proton conducting polymers
07/1997
07/30/1997EP0633053B1 Process for preparing a porous polytetrafluoroethylene film
07/29/1997US5651900 Microfabricated particle filter
07/24/1997WO1997026284A1 Method for gas phase sulfonation of polymer membranes
07/24/1997WO1997026134A1 Highly porous polyvinylidene difluoride membranes
07/24/1997WO1997026073A1 Filter cartridges having track etched membranes and methods of making same
07/23/1997EP0784457A1 Porous microfabricated polymer membrane structures
07/23/1997EP0637996B1 Microfabricated detection structures
07/23/1997CN1154870A Improved method for mfg. of acetate fiber pellicle and medical product thereof
07/22/1997US5650451 Lamination, filters, packaging
07/15/1997CA2037215C Treatment of lower glycol-containing operative fluids
07/08/1997US5646205 Ion complex membrane and a method for producing same
07/08/1997US5645778 Process of making a cellulose acetate semipermeable membrane
07/08/1997US5645684 Microelectromechanical systems, electronic circuits and mechanical devices integrated on the same chip
07/02/1997EP0781795A2 Application of sulfone, ketone and ester containing polyalkyl ethers to medical materials
07/02/1997EP0781593A2 Process for producing polyetheramide solutions, steam sterilizable membrane preparable by using the polyetheramide solutions, and process for preparing these membranes
07/02/1997CN1153186A Microporous film of high molecular weight polyolefin and process for producing same
07/01/1997US5643681 Terpolymer polylactone-polysiloxane-polylactone block polymer
07/01/1997US5643452 High-flux hollow-fiber membrane with enhanced transport capability and process for making same
06/1997
06/26/1997WO1997022406A1 Self-wetting membranes from engineering plastics
06/24/1997US5641442 Mixing uniformly rubber, ethylene polymer, crosslinking agent, vulcanizing agent, rubber accelerator, filler, antiaging agent; heating under pressure to semi-vulcanize, grinding to powder, heating under pressure in mold to cure
06/18/1997EP0779381A2 Polysulfone porous hollow fiber
06/18/1997EP0335972B2 Medical material and process for its production
06/17/1997US5639376 Filtering
06/17/1997US5639365 Fluid filled and collapsing polymeric filter tube having a supporting sleeve
06/11/1997EP0527980B1 Method of manufacture of a composite body consisting of microsieves
06/11/1997CN1151417A Hydrophilically modified pulverulent high and/or ultra-high molecular weight polyethylene
06/10/1997US5637201 Linker lipid for use in attaching a membrane, comprises with in the same molecule hydrophilic and hydrophobic regions
06/04/1997CN1151128A Separating and concentrating certain ions using ion-binding ligands bonded to membranes
06/04/1997CN1150918A Permselective membranes and method for their production
06/03/1997US5635041 Electrode apparatus containing an integral composite membrane
05/1997
05/28/1997EP0681507B1 Thermally induced phase separated azlactone membrane
05/28/1997EP0671960B1 Liquid applicator with metering insert
05/27/1997US5633290 Pore-size selective modification of porous materials
05/27/1997US5632874 Ion selective ceramic membrane
05/20/1997US5630970 Exposing to sorbent vapor, such as propane or butane, thereby reopening the microvoids that make up the free volume
05/20/1997US5630941 Permanent hydrophilic modification of fluoropolymers
05/14/1997EP0773058A1 Filtration membrane for oleophilic organic liquids, method for producing it and method for filtering oleophilic organic liquids
05/14/1997EP0772488A1 Porous composite membrane and process
05/13/1997US5629353 Highly cross-linked nanoporous polymers
05/13/1997US5629084 A porous membrane substrate coated with a self-crosslinked polymer and maintaining the same configuration; antifouling agents
05/13/1997CA2036331C Membrane device for a filtration, separation or catalytic reaction process
05/07/1997EP0730489B1 Process for the partial modification of porous hydrophylic filter membranes
05/06/1997US5627217 Nonblocking coating on fibers; microfiltration; biochemical reactions; separations; antifouling agents
05/02/1997EP0769981A1 A zeolite containing composition with a selectivity enhancing coating
05/02/1997EP0769980A1 Membrane reparation and pore size reduction using interfacial ozone assisted chemical vapor deposition
04/1997
04/29/1997US5624627 Melt-kneading polyethylene and plasticizer, forming sheet, extracting plasticizer, stretching sheet, heating, treating with corona discharge or plasma discharge
04/24/1997WO1997015375A1 Conductive filter laminate
04/17/1997WO1997013575A1 Polysulfone membrane for purifying blood
04/15/1997US5620790 Each layer having varying viscosities
04/10/1997DE19536033A1 Capillary pore membrane based on hydrophilic polymer film
04/09/1997EP0767181A2 Hydrophilically modified powdered high or ultrahigh molecular weight polyethylene
04/09/1997EP0483143B2 Membrane affinity apparatus and purification methods related thereto
04/08/1997US5618587 Vacuum rig apparatus
04/08/1997US5618433 Processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes
04/08/1997US5617632 Methods for forming a contoured regulator seat
04/02/1997EP0765900A1 Method of producing a microporous polyolefin membrane
04/01/1997US5616246 Hydrophilic membranes for electrochemical devices and method for preparing same
03/1997
03/26/1997EP0764461A1 Porous polysulfone membrane and process for producing the same
03/26/1997EP0764346A1 High vertical aspect ratio thin film structures
03/25/1997US5614099 Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same
03/20/1997WO1997010048A1 Filtration medium
03/19/1997CN1145593A High-flux polyacrylonitrile dialysis diaphragm
03/18/1997US5611843 Carbon dioxide separation
03/13/1997WO1997009167A1 Microporous membrane with a stratified pore structure created in situ and process
03/13/1997CA2231270A1 Microporous membrane with a stratified pore structure created in situ and process
03/12/1997EP0761291A1 Polymeric dope solution for use in the preparation of an integrally skinned asymmetric membrane
03/05/1997CN1144504A Fabric laminates
02/1997
02/26/1997CN1143917A Mesoscale sample preparation device and system for determination and processing of analytes
02/25/1997US5605627 Artificial kidney
02/25/1997CA2015413C Process for preparing a microporous membrane and such a membrane
02/19/1997EP0749352A4 Microfabricated particle filter
02/13/1997DE3645263C2 Membranes for sepn. of liquids by evaporation
02/12/1997EP0757589A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
02/12/1997EP0605470B1 Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend
02/12/1997CN1142410A Improved polymeric Membrane
02/11/1997US5601769 Drawing polymeric film having applied liquid layer containing material of nonporous coating which increases in viscosity during drawing
02/05/1997CN1142197A Device and process for removing leukocytes and viral inactivating agents from blood
02/05/1997CN1142193A 抗微生物材料 Anti-microbial material
02/04/1997US5599614 Integral composite membrane
02/04/1997US5599380 Polymeric membrane
01/1997
01/30/1997WO1997003118A1 Membranes comprising salts of aminoacids in hydrophilic polymers
01/30/1997CA2224893A1 Membranes comprising salts of aminoacids in hydrophilic polymers
01/29/1997EP0755272A1 Biocompatible coated article
01/28/1997US5596988 Multi-parameter sensor apparatus