| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 01/26/1999 | US5863654 Polypropylene having a coating of carbon made from the dehydrochlorination of a graft polymer of the polypropylene and vinylidene chloride |
| 01/26/1999 | US5863645 High strength, microporous layer |
| 01/26/1999 | US5863610 Contacting substrate with polymer in solvent to form coating, heating to remove solvent |
| 01/21/1999 | WO1999002248A1 Highly asymmetric polyethersulfone filtration membranes |
| 01/21/1999 | WO1999002246A1 Highly asymmetric ultrafiltration membranes |
| 01/21/1999 | CA2293802A1 Highly asymmetric ultrafiltration membranes |
| 01/20/1999 | EP0892448A2 Shutdown, trilayer battery separator and process of manufacture |
| 01/20/1999 | EP0891998A1 Graft polymers |
| 01/20/1999 | EP0891807A2 Biphasic material |
| 01/20/1999 | EP0891712A1 Liquid dispenser for sterile solutions |
| 01/14/1999 | WO1999001207A1 FILTRATION MEMBRANE WITH CALCINED α-ALUMINA PARTICLES THEREIN |
| 01/13/1999 | EP0889951A1 Sensor and modified membrane for the sensor |
| 01/13/1999 | EP0889930A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0889929A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0889928A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0889925A1 Process for manufacture of a porous polymer by use of a porogen |
| 01/13/1999 | EP0889924A1 Process for manufacture of a porous polymer from a mixture |
| 01/13/1999 | EP0889923A1 High water content porous polymer |
| 01/12/1999 | US5859175 From aromatic acyl chloride and aromatic diamine; semipermeable membrane |
| 01/12/1999 | CA2156527C Microemulsion polymerization systems and coated materials made therefrom |
| 01/07/1999 | EP0889080A1 Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films |
| 01/07/1999 | EP0888810A1 Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same |
| 01/07/1999 | EP0888211A1 Highly porous polyvinylidene difluoride membranes |
| 01/07/1999 | EP0888172A1 Endotoxin-specific membranes |
| 01/05/1999 | US5856246 Surface treatment; polmer complex and surfactant |
| 12/30/1998 | WO1998058728A1 Polyacrylonitrile-base hollow-fiber filtration membrane |
| 12/30/1998 | EP0887098A2 Gas plasma treated porous medium and method of separation using same |
| 12/30/1998 | EP0722541B1 Micromachined flow switches |
| 12/29/1998 | US5853647 Process for the stabilization of the properties of cellulosic membranes |
| 12/29/1998 | US5853633 Method of producing microporous thermoplastic resin membrane |
| 12/28/1998 | CA2241504A1 Bioactive surface coating using macroinitiators |
| 12/23/1998 | EP0722540B1 Micromachined fluid flow regulators |
| 12/23/1998 | EP0639106B1 Method for the preparation of a polyvinylidene fluoride microporous membrane |
| 12/23/1998 | EP0637999B1 Polynucleotide amplification analysis using a microfabricated device |
| 12/16/1998 | EP0884096A1 Semipermeable encapsulated membranes with improved acid and base stability process for their manufacture and their use |
| 12/16/1998 | CN1041173C Hollow fibre film with characteristic of transmitting of reinforcement and preparation of same |
| 12/15/1998 | US5849311 Contact-killing non-leaching antimicrobial materials |
| 12/15/1998 | US5849215 Highly ordered nanocomposites via a monomer self-assembly in situ condensation approach |
| 12/10/1998 | DE19724172A1 Purification of engineering oils, removing submicron particles in transverse flow filtration |
| 12/08/1998 | US5847012 Microporous polymeric foams and microtextured surfaces |
| 12/08/1998 | US5846422 Large pore synthetic polymer membranes |
| 12/08/1998 | US5846421 Cartridge membrane filter for micro-filtration |
| 12/03/1998 | WO1998053894A1 Non-porous gas permeable membrane |
| 12/02/1998 | EP0880544A1 Surface modified affinity separation membrane |
| 12/02/1998 | EP0880401A1 Method of treating polyamide membranes to increase flux |
| 12/01/1998 | US5843358 Process for producing a steam-sterilizable porous polyolefin membrane and polyethylene membrane steam-sterlizable at 134° C. |
| 12/01/1998 | US5843351 Highly permeable composite reverse osmosis membrane, method of producing the same |
| 11/26/1998 | WO1998052683A1 Polysulfone-base hollow-fiber hemocathartic membrane and processes for the production thereof |
| 11/25/1998 | EP0879635A1 Device for filtering a fermented liquid |
| 11/25/1998 | EP0869835A4 Leukocyte filtration method and apparatus |
| 11/25/1998 | CN1199649A Pre-treatment method of coating material |
| 11/24/1998 | US5840775 Contacting with a fluid which penetrates and swells but does not dissolve or eliminate viscoelastic memory; cooling; removing absorbed fluid |
| 11/24/1998 | US5840235 Melt kneading with a hydrocarbon plasticizer, forming a high viscosity blends, forming a fabric sheet, solvent extraction to remove plasticizer, stretching the film, heating |
| 11/24/1998 | US5840190 Incorporating functional groups into polymer membranes for immobilization of bioactive molecules |
| 11/24/1998 | US5839467 Fluid flow regulator |
| 11/19/1998 | WO1998051403A1 Process for making surface modified porous membrane with perfluorocarbon copolymer |
| 11/18/1998 | EP0878292A1 Polymeric integral net |
| 11/18/1998 | CN1199276A Method and apparatus for controlling servomotor in two inertial systems |
| 11/17/1998 | US5837377 Biomedical articles with ionically bonded polyelectrolyte coatings |
| 11/17/1998 | US5837365 Hydrophilic polypropylene membranes |
| 11/16/1998 | CA2236705A1 Polymeric integral net |
| 11/12/1998 | WO1998050136A1 Surface modified porous membrane and process |
| 11/11/1998 | EP0662099B1 Heterogeneous membrane and method |
| 11/10/1998 | US5834583 Block copolymers |
| 11/10/1998 | US5834528 Polytetrafluoroethylene porous composite film |
| 11/10/1998 | US5834107 Formed from casting polymer solutions or dispersions; isotropic; highly asymmetric; microfiltration |
| 11/10/1998 | US5833896 At the interface between nascent membrane and external coagulant, liquid-liquid phase separation rather tha gelation is favored process; subjected to vapor-phase non-solvent environment to induce precipitation |
| 11/05/1998 | WO1998048927A1 Article of manufacture including a surface modified membrane and process |
| 11/05/1998 | WO1998030318A3 Compounds for producing nanoporous polymers, nanocomposite and membranes thereof |
| 11/03/1998 | US5830554 Method of producing of microporous polyolefin membrane |
| 10/28/1998 | EP0874277A1 Method of treating a photographic processing solution |
| 10/28/1998 | EP0873780A1 Novel separative membrane and method for using this membrane |
| 10/22/1998 | WO1998046648A1 Interactive system for substance presentation and elimination |
| 10/22/1998 | WO1998046325A1 Microfabricated filter and capsule formed by substrates |
| 10/22/1998 | DE19742439C1 Fluid micro-filter |
| 10/21/1998 | EP0871566A1 Durable hydrophilic surface coatings |
| 10/21/1998 | EP0871539A1 Tangential flow planar microfabricated fluid filter |
| 10/21/1998 | CN1196688A Affinity membrane system and method of using same |
| 10/15/1998 | WO1998045358A1 Process for producing microporous polyolefin film |
| 10/15/1998 | DE19715504A1 PMMA-Membranen mit Polyethylenglykol-gekoppelten Wirksubstanzen PMMA membranes with polyethylene glycol-coupled active substances |
| 10/14/1998 | EP0869835A1 Leukocyte filtration method and apparatus |
| 10/14/1998 | EP0640007B1 Hydrophilic microporous polyolefin membrane |
| 10/13/1998 | US5820755 Filter unit comprising cellulose nitrate membrane which selectively adsorbs blood leukocytes without being clogged by proteins |
| 10/07/1998 | EP0868208A1 Affinity membrane system and method of using same |
| 10/07/1998 | CN1195315A Microporous membrane with stratified pore structure created in situ and process |
| 10/06/1998 | US5817272 Process for making a biocompatible porous holllow fiber |
| 10/06/1998 | US5817237 Process for simultaneously removing leukocytes and methylene blue from plasma |
| 10/06/1998 | US5817165 Fluorine-containing polyimide gas separation membrane and method of manufacturing the same |
| 09/29/1998 | US5814372 Formed from porous polymeric substrate and second polymer which has been crosslinked by heat or uv in absence of crosslinking agent |
| 09/29/1998 | US5814179 Process for producing a blood dialyzer |
| 09/24/1998 | WO1998041313A1 Membranes comprising aminoacid salts in polyamine polymers and blends |
| 09/24/1998 | WO1998041312A1 Dialysis membranes and process for their production |
| 09/24/1998 | CA2283837A1 Dialysis membranes and process for their production |
| 09/23/1998 | CN2291968Y Affinity membrane separator for removing inner toxin |
| 09/16/1998 | CN1192947A Method for washing hollow-fiber film |
| 09/15/1998 | US5807636 Durable hydrophilic surface coatings |
| 09/15/1998 | US5807406 Porous microfabricated polymer membrane structures |
| 09/11/1998 | WO1998039379A1 Microporous membrane and process for preparing the same |
| 09/09/1998 | CN1039678C Prepn. method and application of reverse osmosis film |
| 09/04/1998 | CA2231077A1 Polymeric material and process for production thereof |