Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
06/1995
06/29/1995WO1995017152A1 Liquid dispenser for sterile solutions
06/29/1995DE4445973A1 Polyvinylidenfluorid-Membran Polyvinylidene fluoride membrane
06/27/1995US5427662 Method for producing an ionomer
06/23/1995CA2128296A1 Polyvinylidene fluoride membrane
06/22/1995DE4343114A1 Pervaporation and gas sepn. membranes sepn.
06/21/1995CN1028967C Gas dehydration membrane apparatus
06/20/1995US5425865 Includes a layer of an ethylenically unsaturated carboxylic acid which is graft polymerized with polymeric material of porous matrix on one of its surfaces; crosslinking improves transport characteristics
06/15/1995WO1995015809A1 Production of membranes
06/15/1995WO1995015808A1 Production of membranes
06/08/1995DE4341601A1 Membranes based on copolymers of acrylonitrile
06/06/1995US5422377 Microporous polymer films and methods of their production
06/01/1995WO1995014525A1 Process for the partial modification of porous hydrophylic filter membranes
05/1995
05/31/1995CN1028610C Treatment for reverse osmosis membranes
05/26/1995WO1995013860A1 Membrane filter and a method of manufacturing the same as well as a membrane
05/26/1995WO1995013859A1 Hydrophilic compositions with increased thermal resistance
05/26/1995WO1995013858A1 Hydrophilic compositions with increased thermal and solvent resistance
05/24/1995EP0549706B1 Cationic charge modified microporous membranes
05/24/1995CN1028492C Separating membrane and separation method
05/23/1995US5418061 Microporous polysulfone supports suitable for removal of low density lipoprotein-cholesterol
05/23/1995US5418053 Membrane from epoxy-direct grafted halogenated vinyl polymer
05/23/1995US5417832 Enhancing performance of perfluorinated ionomer membranes via dopant incorporation, method of making thereof and the membrane
05/18/1995WO1995013316A1 Process for the manufacture of microporous polyolefine strips or films
05/18/1995WO1995013125A1 Device and process for removing free hemoglobin from blood
05/18/1995CA2175913A1 Device and process for removing free hemoglobin from blood
05/17/1995CN1102748A Polytetrafluoroethylene porous film and method for manufacturing the same
05/09/1995US5413852 SIXEF™-durene polyimide hollow fibers
05/03/1995EP0490938B1 Microporous adsorbent
05/02/1995US5411805 Triaxially oriented polymer membrane
04/1995
04/26/1995EP0649676A1 Fluoropolymer posttreatment of gas separation membranes
04/26/1995EP0649675A1 Treatment of gas separation membranes with inert solvent
04/25/1995US5409785 Fuel cell and electrolyte membrane therefor
04/25/1995US5409524 Membranes having improved selectivity and recovery, and process for making same
04/21/1995CA2118531A1 Fluoropolymer posttreatment of gas separation membranes
04/21/1995CA2118428A1 Treatment of gas separation membranes with inert solvent
04/18/1995US5407581 Filter medium having a limited surface negative charge for treating a blood material
04/13/1995WO1995009989A1 Micromachined flow switches
04/13/1995WO1995009988A1 Micromachined filters and flow regulators
04/13/1995WO1995009987A1 Micromachined fluid flow regulators
04/12/1995EP0647250A1 Porous polytetrafluoroethylene and preparation
04/12/1995EP0647249A1 Method for producing an ionomer
04/12/1995EP0647156A1 Hollow fiber membrane incorporating a surfactant and process for preparing same
04/06/1995WO1995009195A1 Polymer membrane having a high permeability for alkanol
04/05/1995EP0646043A1 Hydrophilic membranes.
04/04/1995US5403485 Dialysis membrane made of cellulose acetate
04/04/1995US5403483 Hydrophobic porous membranes and process for the manufacture thereof
03/1995
03/28/1995US5401410 Amine salts of sulfonated polyethers
03/28/1995CA1334913C Fluid treatment system having low affinity for porteinaceous materials
03/22/1995EP0643616A1 Micromechanical filter and method for the manufacture thereof
03/15/1995EP0642825A1 Bleach resistant polysulfone/polyrethane composite membranes
03/15/1995EP0436720B1 Hydrolyzed membrane and process for its production
03/15/1995CN1100001A The production and use of improved composite fluid separation membranes
03/14/1995US5397695 Attachment of compounds to polymeric particles using carbamoylonium compounds and a kit containing same
03/08/1995EP0641594A1 An oil- and water-repellent gas-permeable filter
03/07/1995US5395636 Method of pretreating a porous medium
03/07/1995US5395570 Hollow fibre membrane extrusion
03/01/1995EP0640007A1 Hydrophilic microporous polyolefin membrane
03/01/1995EP0561875B1 Dioxole/tfe copolymer composites
03/01/1995CN1027738C Lift film-pressing device for monomolecular film
02/1995
02/23/1995WO1995005083A1 Microporous polymeric foams and microtextured surfaces
02/22/1995EP0639223A1 Microfabricated sperm handling devices.
02/22/1995EP0639106A1 Polyvinylidene fluoride microporous membrane and method
02/22/1995CN1027680C Catallytic high molecular gas separation membrance
02/21/1995US5391298 Method for performing a solid-phase extraction under pressurized conditions
02/15/1995EP0638949A1 Solid, polymeric, polyether based electrolyte
02/15/1995EP0637999A1 Polynucleotide amplification analysis using a microfabricated device
02/15/1995EP0637998A1 Fluid handling in microfabricated analytical devices.
02/15/1995EP0637997A1 Analysis based on flow restriction
02/15/1995EP0637996A1 Microfabricated detection structures.
02/15/1995EP0637990A1 Diaphragm based on graft copolymers.
02/15/1995CN1098725A Porous stretched article of polypropylene-based resin and process for its preparation
02/15/1995CN1027623C Pressed film device of single-molecule film
02/09/1995WO1995003879A1 Phase separated membrane
02/09/1995WO1995003878A1 Composite membranes and their preparation from polymer particles on a porous substrate
02/09/1995CA2166799A1 Composite membranes and their preparation from polymer particles on a porous substrate
02/07/1995US5387378 Integral asymmetric fluoropolymer pervaporation membranes and method of making the same
02/01/1995EP0636404A1 Membranes made from acrylonitrite copolymers, process for their manufacture and their use
02/01/1995EP0636402A2 Method of pretreating a porous medium
02/01/1995CN1098024A Permeable hydrogen membrane and preparing process thereof
01/1995
01/31/1995US5385694 Microemulsion polymerization systems and coated materials made therefrom
01/31/1995US5385672 Vacuum depressurizing the permeate swelled side of membrane to remove the solute from a solution
01/31/1995US5385670 Method for drying porous ultrafiltration membranes
01/27/1995CA2111318A1 Method of pretreating a porous medium
01/25/1995EP0606198A4 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps).
01/12/1995WO1995001219A1 Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups
01/12/1995WO1995001218A1 Biphasic material
01/12/1995CA2166201A1 Biphasic material
01/11/1995EP0633053A1 Polytetrafluoroethylene porous film and method for manufacturing the same
01/10/1995CA1333873C Membrane type oxygenator and method for production thereof
01/04/1995EP0632095A2 Porous stretched article of polypropylene-based resin and process for its preparation
01/04/1995EP0631806A2 The production and use of improved composite fluid separation membranes
01/04/1995EP0631597A1 Super porous polysaccharide gels
01/04/1995EP0631520A1 Alcohol-insoluble nylon microporous membranes.
12/1994
12/31/1994CA2127033A1 Production and use of improved composite fluid separation membranes
12/28/1994EP0630682A2 Layered plasma polymer composite membranes
12/28/1994EP0630675A1 Leukocyte or leukocyte/platelet remover and filter therefor
12/28/1994EP0630655A2 Process for producing a blood dialyzer
12/28/1994EP0630280A1 Process and apparatus for removal of dna, viruses and endotoxins
12/27/1994US5376445 Microporous film of polyethylene and process for the production thereof
12/27/1994US5376441 Controlling particle size of latex
12/27/1994US5376274 Hydrophilic membrane and method for its production