| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 07/13/1993 | CA1320026C Permeable membranes for enhanced gas separation |
| 07/13/1993 | CA1320025C Gas separation membrane |
| 07/13/1993 | CA1320024C Microporous membrane and method of making the same |
| 07/11/1993 | CA2104969A1 Rectifying dialyzer, membrane and process |
| 07/08/1993 | WO1993013022A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/08/1993 | WO1993012870A1 Composite membrane of a hydrophilic asymmetric membrane coated with an organosiloxane block copolymer |
| 07/08/1993 | WO1993012869A1 Meta, para-bisphenol based polymer gas separation membranes |
| 07/08/1993 | WO1993012867A1 Catalytic filtration device and method |
| 07/08/1993 | DE4200104A1 Coating process for membrane surfaces - comprises hydrophobising the membrane carrier to prevent deep penetration of the coating |
| 07/08/1993 | CA2126439A1 Method of introducing hydrogen into aqueous liquids without forming bubbles |
| 07/07/1993 | EP0550115A2 Process for the production of a porous film having high bursting strength |
| 07/07/1993 | EP0550071A1 Method for manufacturing inorganic membranes by organometallic chemical vapor deposition |
| 07/07/1993 | EP0550070A1 Method for manufacturing inorganic membranes by organometallic chemical vapor infiltration |
| 07/07/1993 | EP0550049A1 Method for manufacturing ultrathin inorganic membranes |
| 07/07/1993 | EP0489746B1 High flux semipermeable membranes |
| 07/07/1993 | CA2073374A1 Membrane and method of separation |
| 07/06/1993 | US5225131 Extrusion molding a mixtures of polytetrafluoroethylene powder with lubricants, paste extrusion to form a multilayer structure and sintering |
| 07/06/1993 | US5225120 Method for preparing tubing and hollow fibers from non-crosslinked polyvinyl alcohol hydrogels |
| 07/06/1993 | US5225014 Process for producing precision cartridge filter |
| 07/03/1993 | CA2086402A1 Method for manufacturing inorganic membranes by organometallic chemical vapor deposition |
| 07/03/1993 | CA2086388A1 Method for manufacturing inorganic membranes by organometallic chemical vapor infiltration |
| 06/30/1993 | EP0548686A2 Blends of polyether-copolycarbonates and high molecular weight, film-forming polycarbonates |
| 06/30/1993 | EP0548492A1 Polymer membranes for separation processes |
| 06/29/1993 | US5223318 Membrane supports having specific pore size, narrow pore size distribution; formed of sintered particles of specific size |
| 06/28/1993 | WO1993012920A1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 06/24/1993 | WO1993011862A1 Micromechanical filter and method for the manufacture thereof |
| 06/24/1993 | DE4142502A1 Blasenfreier wasserstoffeintrag in waessrige fluessigkeiten Bubble-free hydrogen entry in aqueous fluids |
| 06/23/1993 | EP0547471A1 Polyacrylnitrile membrane |
| 06/22/1993 | US5221484 Useful for catalyzing gas phase reactions, such as, oxidation of nitrogen oxides, oxidation of sulfur dioxide and organic vapors |
| 06/22/1993 | US5221483 Process and apparatus for removal of DNA, viruses and endotoxins |
| 06/22/1993 | US5221482 Crosslinked polyparabanic acid or polyparabanic acid blend membrane, solvent and heat resistance, durability |
| 06/22/1993 | US5221481 Thin film, high density membranes |
| 06/22/1993 | CA1319231C Ultrafiltration thin film membranes |
| 06/22/1993 | CA1319230C Process for preparing powadir membranes from tetrahalobisphenol a polycarbonates |
| 06/16/1993 | EP0348459B1 Improved composite membranes, their manufacture and their use |
| 06/16/1993 | CN1021201C Filter for separation of solid from hot gas or liquid |
| 06/15/1993 | US5220070 1,3-diamino-5-pentafluorosulfanylbenzene |
| 06/15/1993 | CA1318991C Solvent dewaxing process |
| 06/10/1993 | WO1993011087A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 06/09/1993 | EP0545686A2 Crosslinked polyester amide membranes and their use for organic separations |
| 06/09/1993 | EP0366649B1 A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved |
| 06/08/1993 | US5217666 Process for producing porous polytetrafluoroethylene film |
| 06/08/1993 | US5217506 Hydrogen-permeable composite metal membrane and uses thereof |
| 06/06/1993 | CA2084382A1 Crosslinked polyester amide membranes and their use for organic separations |
| 06/02/1993 | EP0543973A1 Microporous membrane, its manufacture and use |
| 06/01/1993 | US5215729 Composite metal membrane for hydrogen extraction |
| 06/01/1993 | US5215662 Nylon 46 membrane on fabric substrate; wettability |
| 06/01/1993 | US5215554 Membranes having enhanced selectivity and method of producing such membranes |
| 05/26/1993 | EP0543575A2 Membrane separation method |
| 05/26/1993 | EP0543574A2 Membrane separation process |
| 05/26/1993 | EP0543492A1 Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 05/26/1993 | EP0543355A2 Polysulfone porous hollow fiber |
| 05/26/1993 | EP0543171A1 Semi-permeable porous asymmetric polyether amide membranes |
| 05/26/1993 | CN1072351A Polytetrafluoroethylene porous film prepn. and use thereof |
| 05/25/1993 | CA1318319C Removing and recovering plant polyphenols |
| 05/25/1993 | CA1318093C Rapid recoverable ptfe and process therefore |
| 05/25/1993 | CA1318091C Reverse osmosis membranes |
| 05/19/1993 | EP0542346A1 Process for producing a steam-sterilizable, porous polyolefin membrane, and polyethylene membrane being steam-sterilizable at 134 C |
| 05/19/1993 | EP0541578A1 Polymerisable porphyrins |
| 05/19/1993 | CA2073420A1 Membrane separation process |
| 05/19/1993 | CA2073379A1 Membrane separation method |
| 05/18/1993 | US5211822 Process for the production of a semipermeable membrane on a porous conductive support by electrophoresis |
| 05/18/1993 | CA1317891C Process for separating a fluid feed mixture containing hydrocarbon oil and a organic solvent |
| 05/16/1993 | WO1993009862A1 Pleated poly(tetra-fluoro ethylene) filter medium and support |
| 05/16/1993 | CA2108901A1 Pleated poly (tetra-fluoro ethylene) filter medium and support |
| 05/13/1993 | WO1993008894A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/13/1993 | DE4237768A1 New polyarylene ether derivs. with reduced viscosity - used to prepare moulded bodies, foils, fibres and membranes, as matrix resins, adhesives or coating agents or as polymer additives |
| 05/13/1993 | CA2121236A1 Process and apparatus for removal of dna, viruses and endotoxins |
| 05/12/1993 | EP0541245A1 Multilayered surface catalyzed membrane |
| 05/12/1993 | EP0540862A2 Cap for sealing openings of ear fitments |
| 05/12/1993 | EP0540549A1 Formation of porous materials |
| 05/11/1993 | US5210059 Membranes with supports and thin films of catalysts |
| 05/11/1993 | US5209850 Hydrophilic membranes |
| 05/11/1993 | US5209849 Grafting polyethylene glycol dimethacrylate to polypropylene, ultraviolet radiation |
| 05/11/1993 | US5209848 Xylylene based polyether membranes for gas separation |
| 05/11/1993 | US5209838 Purification of an oil-containing liquid using a surface treated permeable inorganic membrane |
| 05/11/1993 | CA1317423C Cellulose acetate butyrate gas separation membranes |
| 05/07/1993 | EP0594591A4 Gas separation membranes comprising miscible blends of polyimide polymers. |
| 05/05/1993 | EP0539870A1 Hydrophilic asymmetric chemically resistant polyaramide membranes |
| 05/05/1993 | EP0539835A2 Asymmetric semi-permeable membranes from aromatic polycondensators and process for manufacturing thereof |
| 05/05/1993 | EP0539541A1 Biodegradable polymeric compositions based on starch and thermoplastic polymers. |
| 05/04/1993 | USRE34239 Semi-permeable membranes |
| 05/04/1993 | US5208190 Microporous alumina ceramic membranes |
| 05/04/1993 | US5207908 Interpenetrating polymer networks |
| 04/29/1993 | WO1993008019A1 Oil, water and sweat repellent microporous membrane materials |
| 04/29/1993 | CA2119138A1 Oil, water and sweat repellent microporous membrane materials |
| 04/28/1993 | EP0367774B1 Reverse osmosis apparatus |
| 04/27/1993 | US5205968 Process for making a microporous membrane from a blend containing a poly(etheretherketone)-type polymer, an amorphous polymer, and a solvent |
| 04/27/1993 | US5205934 Silicone-derived solvent stable membranes |
| 04/27/1993 | US5205841 Using membrane of palladium metal film and palladium-platinum black films |
| 04/27/1993 | CA2081261A1 Hydrophilic, asymmetric, chemically-resistant polyaramide membrane |
| 04/27/1993 | CA2081260A1 Semipermeable, porous, asymmetric polyether amide membranes |
| 04/21/1993 | EP0538143A1 Inorganic filtration membranes with essentially oxygen-free ceramic separating layer |
| 04/21/1993 | EP0537944A1 Microporous alumina ceramic membranes |
| 04/21/1993 | EP0537943A1 Composite membranes and their fabrication |
| 04/21/1993 | EP0537929A1 Membrane and method of separation |
| 04/21/1993 | EP0537336A1 Process of making porous ceramic materials with controlled porosity |
| 04/21/1993 | EP0525113A4 Porous polybenzoxazole and polybenzothiazole membranes |
| 04/21/1993 | CN1071100A Preparation of sulfonated polyary-ether-sulfone nanometer filter film |
| 04/21/1993 | CN1020330C Sintered coating for porous metallic filter surfaces |