Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
08/1996
08/21/1996CN1129456A Composite porous polytetrafluoroethylene membrane
08/20/1996US5547760 Compositions and processes for separating and concentrating certain ions from mixed ion solutions using ion-binding ligands bonded to membranes
08/20/1996US5547756 Porous polypropylene hollow fiber membrane of large pore diameter, production process thereof, and hydrophilized porous hollow fiber membranes
08/20/1996US5547576 Pathogenic substance removing material and a blood filter containing the material
08/20/1996US5547575 Grafting with unsaturated monomer using sodium dithionate in aqueous solution
08/20/1996US5547551 Ultra-thin integral composite membrane
08/14/1996EP0640007A4 Hydrophilic microporous polyolefin membrane.
08/08/1996WO1996023541A1 Method of producing a gas mixture for use in periodic reduced-oxygen training and a device for carrying out said method
08/07/1996EP0724905A2 Biocompatible porous hollow fiber and method of manufacture and use thereof
08/06/1996US5543465 Process for the production of hydrophilic membranes
08/06/1996US5543054 Method and apparatus for covalent immobilization of charge- conjugated carbohydrate molecules
07/1996
07/31/1996EP0637998B1 Fluid handling in microfabricated analytical devices
07/31/1996EP0637990B1 Membrane based on graft copolymers
07/31/1996CN1127996A Large pore synthetic polymer membranes
07/30/1996US5540837 Permanent hydrophilic modification of fluoropolymers
07/24/1996EP0722541A1 Micromachined flow switches
07/24/1996EP0722540A1 Micromachined fluid flow regulators
07/23/1996US5539072 Fabric laminates
07/23/1996US5539047 Microemulsion polymerization systems and coated materials made therefrom
07/17/1996EP0721479A1 Polymer membrane having a high permeability for alkanol
07/16/1996US5536408 Hydrophilic, asymmetric, chemically-resistant polyaramide membrane
07/10/1996CN1032242C Reactive treatment of composite gas separation
07/04/1996WO1996020019A1 Antimicrobial materials
07/04/1996CA2182265A1 Antimicrobial materials
07/03/1996EP0719581A2 Improved production of multilayer composite membranes
07/03/1996EP0639223B1 Microfabricated sperm handling devices
07/02/1996US5531900 Modification of polyvinylidene fluoride membrane and method of filtering
07/02/1996US5531893 Inter-penetrating network charge modified microporous membrane
07/02/1996CA2093518C Dioxole/tfe copolymer composites
06/1996
06/26/1996EP0718901A1 Shutdown, trilayer battery separator
06/26/1996EP0718030A2 Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same
06/25/1996US5529690 Formation of porous materials
06/20/1996WO1996018498A1 Durable hydrophilic surface coatings
06/19/1996EP0716868A2 Concentration type filter for use in a dewatering cleaning apparatus for carrying out a dewatering cleaning method
06/19/1996CN1032043C Polysulfone-based hollow fiber membrane and process for manufacturing the same
06/18/1996US5527569 Conductive filter laminate
06/13/1996WO1996017871A1 Plasma concentrate and tissue sealant compositions
06/13/1996WO1996017676A1 Process for preparing polyether ether ketone membrane
06/13/1996WO1996017675A2 Method of treating membranes
06/12/1996EP0555329B1 Articles having a hydrophilic polymeric shell and method for preparing same
06/11/1996US5525694 Polyethylene film insolvent, cooling, removing solvent, applying patterns of recessed lines, biaxial stretching
06/11/1996US5525436 Proton conducting polymers used as membranes
06/11/1996US5525236 Composite microporous ultrafiltration membrane comprising hydrophobic polymer and water-insoluble polymer of alkyl-phenoxy polyalkylene glycol acrylate
06/05/1996EP0485393B1 Membrane for extracting unsaturated hydrocarbons and process for obtaining it
06/04/1996US5523118 Polyurethane; permeable barrier
05/1996
05/29/1996EP0713364A1 Microporous polymeric foams and microtextured surfaces
05/23/1996WO1996015269A2 Mesoscale polynucleotide amplification devices
05/23/1996WO1996014934A1 Mesoscale sample preparation device and systems for determination and processing of analytes
05/23/1996WO1996014933A1 Mesoscale devices for analysis of motile cells
05/23/1996WO1996014922A1 Hydrophilic film and process for producing the same
05/22/1996EP0646043B1 Hydrophilic membranes
05/15/1996EP0711199A1 Composite membranes and their preparation from polymer particles on a porous substrate
05/14/1996US5516561 Applying a fluoropolymer film to a body
05/09/1996WO1996013872A1 Proton conducting polymers
05/09/1996DE4439841A1 Thin film with fine, even microstructure for ultrafiltration or catalytic membranes
05/08/1996EP0710698A2 A method for preparing porous polymer structures
05/07/1996US5514413 Process for producing composite membranes
05/07/1996US5514378 Biocompatible polymer membranes and methods of preparation of three dimensional membrane structures
05/07/1996US5514276 Permselective hollow fiber fluid separation membranes having plasma-polymerized lumen-side coatings
05/02/1996WO1996008211A3 Plasma grafting methods and compounds
04/1996
04/25/1996DE19517754C1 Biocompatible porous hollow polyolefin fibres used as exchange materials and semipermeable membranes
04/25/1996DE19517727C1 Biocompatible polyolefin materials
04/24/1996EP0546056B1 Membranes having selective permeability
04/18/1996WO1996010966A1 Porous microfabricated polymer membrane structures
04/18/1996CA2177045A1 Porous microfabricated polymer membrane structures
04/17/1996EP0707033A1 Composite porous polytetrafluoroethylene membrane
04/17/1996EP0706819A2 Method of preparing membranes from blends of polymers
04/17/1996EP0706419A1 Interfacial polymerization in a porous substrate and substrates functionalized with photochemical groups
04/17/1996EP0706418A1 Biphasic material
04/16/1996US5507993 Microporous film and process for the production thereof
04/09/1996CA1338233C Hydrophobic membranes
04/04/1996CA2177469A1 A composite structure and a method for forming same
04/02/1996US5503791 Microporous film of polyethylene and process for the production thereof
04/02/1996US5503746 Thin, self-interlocking, tactic polyvinyl alcohol, retaining geometric configuration
03/1996
03/21/1996WO1996008211A2 Plasma grafting methods and compounds
03/21/1996DE4432859A1 Strong flexible symmetrical aromatic polyamide micro-filtration membrane prodn.
03/20/1996EP0701472A1 Porous membranes and methods for making
03/20/1996EP0559902B1 Permselective polyacrylonitrile copolymer membrane and production thereof
03/20/1996CN1031320C Asymmetric semipermeable membrane for treatment of biological fluids
03/13/1996EP0686085A4 Process of making microporous pps membranes
03/13/1996CN1031289C Process for production of asymmetrical gas separating membrace
03/12/1996US5498823 Ion-exchange supports for facilitated transport membranes with enhanced selectivity
03/12/1996US5498392 Mesoscale polynucleotide amplification device and method
03/12/1996US5498335 Process for forming porous polmyeric product from a nonporous polymeric composition and product
03/06/1996EP0699103A1 Surface modified biocompatible membranes
03/05/1996US5496637 Hollow fiber membranes immersed in solution of polyacrylic acid
02/1996
02/28/1996EP0683691A4 Inter-penetrating network charge modified microporous membrane.
02/21/1996EP0697594A2 Ion selective ceramic membrane
02/21/1996EP0696935A1 Large pore synthetic polymer membranes
02/21/1996CN1117272A polymer porous structure and process
02/20/1996US5492666 Controlled coagulation of rigid-chain polymer thin films
02/20/1996CA2049298C Coated media for chromatography
02/15/1996WO1996004070A1 Modified polyacrylonitrile membranes
02/14/1996EP0513390B1 Porous hollow fiber membrane of polyethylene and production thereof
02/14/1996EP0513389B1 Liquid-filtering film and filtering device using said film
02/13/1996US5491188 Adding diamide compounds as nucleating agent to propylene homo-, co- and terpolymers; filtration membranes, printing sheets
02/13/1996US5490938 Liquid dispenser for sterile solutions
02/08/1996WO1996003202A1 Porous composite membrane and process
02/08/1996DE4427736A1 Modifizierte PAN-Membran Modified PAN membrane
02/06/1996US5489406 Method of making polyvinylidene fluoride membrane