Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
09/1998
09/03/1998WO1998038029A1 A thermoplastic fluororesin porous body, a method for the production thereof and use of said porous body for producing a battery cell
09/03/1998WO1998037949A1 Cast membrane structures for sample preparation
09/01/1998US5800624 Lipophilic polymer, hydrophobic plasticizer, quaternary ammonium or phosphonium carrier
08/1998
08/26/1998EP0860199A2 Method of producing a membrane
08/26/1998EP0752929B1 Fabric laminates
08/25/1998US5798261 Distributed pore chemistry in porous organic polymers
08/25/1998US5798042 Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
08/25/1998CA2104955C 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
08/18/1998US5795920 Polysulfone, polyethersulfone, polyimide oa polyetherimide for forming membranes and fibers
08/13/1998WO1998034977A1 Porous composite product particularly with high specific surface area, method for preparing and electrode for electrochemical assembly formed with a porous composite film
08/13/1998WO1998034719A1 Hollow fiber membrane and method of manufacturing same
08/13/1998WO1998034718A1 Coated porous materials
08/12/1998CN1190355A Microfiltration membrane having high pore density and mixed isotropic and anisotropic structure
08/05/1998EP0856352A1 Polysulfone membrane for purifying blood
08/05/1998EP0856262A1 Use of a coated polytetrafluoroethylene article in a garment
08/04/1998US5788862 Filtration medium
08/04/1998US5788662 Surgical adhesive
07/1998
07/30/1998WO1998032790A1 Porous articles with surface functionality and uses thereof
07/30/1998WO1998032789A1 Porous article with surface functionality and method for preparing same
07/28/1998US5786396 Method of producing microporous polyolefin membrane
07/21/1998US5783094 Separation of leukocytes from platelets, filter coated with hydroxyalkyl cellulose or other polysaccharide
07/21/1998US5783054 Contacting electrode with linker lipid for use in attaching membrane containing ionophore to electrode
07/21/1998US5782983 Dewatering cleaning method, dewatering cleaning apparatus, and concentration type filter for use therein
07/16/1998WO1998030905A1 Means for the biological purification of a biological fluid
07/16/1998WO1998030624A1 Porous moulded bodies of thermoplastic polymers
07/16/1998WO1998030318A2 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof
07/16/1998WO1998030317A1 Membrane microfilter manufacturing process
07/16/1998DE19700760A1 Poröse gesinterte Formkörper aus thermoplastischen Polymeren Sintered porous moldings of thermoplastic polymers
07/15/1998EP0820586A4 Defining an electrode area
07/09/1998WO1998029478A1 Melt-spun polysulfone semipermeable membranes and methods for making the same
07/09/1998CA2272364A1 Melt-spun polysulfone semipermeable membranes and methods for making the same
07/08/1998EP0729380B1 Hydrophilic compositions with increased thermal resistance
07/08/1998EP0587588B1 Fluid treated polytetrafluoroethylene products and their manufacture
07/07/1998US5776343 Fluoroplastic apertured film fabric, structures employing same and method of making same
07/02/1998WO1998028026A1 Reactive coatings
07/02/1998CA2275201A1 Reactive coatings
07/01/1998EP0637997B1 Analysis based on flow restriction
06/1998
06/30/1998US5772935 Method of continuous extraction of plasticizer from battery separator membranes and the like during their manufacture, and extractor apparatus therefor
06/30/1998US5772884 Air filters; semiconductor industry; stretching biaxially unsintered polymer at specific temperatures
06/25/1998WO1998026860A1 Filter medium and air filter unit using the same
06/24/1998EP0848643A1 Method of producing hollow fibre polymer membranes
06/23/1998US5770275 Molecular sieving silica membrane fabrication process
06/23/1998US5770121 Quick-freezing dissolved polymer film to below solvent melting point, desolventizing, drying
06/23/1998US5770076 Micromachined capsules having porous membranes and bulk supports
06/18/1998WO1998025997A1 Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films
06/18/1998WO1998025758A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters
06/17/1998EP0847796A2 Method for washing hollow fiber membrane
06/17/1998CN1185119A Synthetic separation disphragm
06/16/1998US5766908 Chromatography
06/16/1998US5766473 Enzyme loaded hydrophilic porous structure for protecting oxygen sensitive products and method for preparing same
06/11/1998WO1998024540A1 Microporous membranes and process for the production thereof
06/10/1998EP0846024A1 Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure
06/10/1998EP0671971B1 Membranes having improved selectivity and recovery, and process for making same
06/10/1998EP0580871B1 Water-soluble cellulose derivative and biocompatible material
06/09/1998US5762798 Hollow fiber membranes and method of manufacture
05/1998
05/27/1998CN1038481C Hydrophilic compositions with increased thermal and solvent resistance for filtration
05/27/1998CN1038480C Hydrophilic compositions with increased thermal resistance for filtration
05/26/1998US5755964 Contacting with ammonia or alkylamine
05/22/1998WO1998021588A1 Membrane and methods of preparing and using same
05/22/1998WO1998020960A1 Hydrophilic polymeric phase inversion membrane
05/22/1998CA2271846A1 Hydrophilic polymeric phase inversion membrane
05/22/1998CA2269933A1 Membrane and methods of preparing and using same
05/19/1998US5753093 Using a linker lipid for attaching a membrane including a plurality of ionophores to an electrode; providing a space between the membrane and the electrode
05/19/1998US5753014 Membrane filter and a method of manufacturing the same as well as a membrane
05/13/1998CN1181811A Defining an eleectrode area
05/12/1998US5750633 Dope for cast formation and method of manufacturing the same
05/12/1998US5750245 Thermally induced phase separated azlactone membrane
05/07/1998WO1998008594A3 Method for producing microporous elements, the microporous elements thus produced and uses thereof
05/06/1998EP0525204B1 Method for preparing hydrophilic porous fibers an membranes
05/05/1998US5747110 Porous webs
05/05/1998US5746916 Walls with fibers and slits, stacks of polymers
05/05/1998US5746200 Trabecula nasal filter having both macropores and micropores
04/1998
04/30/1998WO1998017717A1 Method for modifying membranes
04/30/1998WO1998017377A1 Microporous membranes and uses thereof
04/29/1998EP0838084A1 Multilayer high vertical aspect ratio thin film structures
04/29/1998EP0837900A1 Membranes comprising salts of aminoacids in hydrophilic polymers
04/28/1998US5744366 Mesoscale devices and methods for analysis of motile cells
04/23/1998DE19643566A1 Verfahren und Vorrichtung zur Membranmodifizierung Method and apparatus for membrane modification
04/22/1998EP0729379B1 Hydrophilic compositions with increased thermal and solvent resistance
04/22/1998EP0682560B1 Polymer porous structure and process
04/22/1998CN1179354A Polysulfone copolymer membranes and preparing process thereof
04/21/1998US5741424 Using microporous membrane
04/21/1998US5741409 Biosensors, ion selective electrodes
04/14/1998US5738902 Biocompatible coated article
04/09/1998WO1998014509A1 Co-continuous porous structures of a combination of polymers
04/08/1998CN1178482A Composite membrane
04/07/1998US5736051 Surface coating of a polymer rendering membrane hydrophilic and less susceptible to adsorption of proteins
04/07/1998US5736050 Currents in narrow pores
04/07/1998US5736046 Used for hemodialysis
04/03/1998CA2198520A1 Polyamide membrane
04/01/1998EP0831963A1 Micromachined porous membranes with bulksupport
03/1998
03/31/1998US5733657 Method of preparing membranes from blends of polymers
03/25/1998EP0830867A1 Apparatus for treating the blood by extracorporeal circulation and process for manufacturing the same
03/25/1998EP0691882A4 Composite carbon fluid separation membranes
03/25/1998EP0678051B1 Currents in narrow pores
03/25/1998CN1177308A Improved membrane
03/18/1998EP0829514A2 Hydrophobic-oleophobic fluoropolymer compositions
03/18/1998EP0828553A1 Synthetic separation diaphragm
03/13/1998CA2198070A1 Hydrophobic-oleophobic fluoropolymer compositions
03/10/1998US5726212 Polymer membrane having a high permeability for alkanol
1 ... 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ... 119