| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 06/11/1997 | EP0641287B1 Filter fabric for airbags |
| 06/11/1997 | EP0527980B1 Method of manufacture of a composite body consisting of microsieves |
| 06/11/1997 | CN1151417A Hydrophilically modified pulverulent high and/or ultra-high molecular weight polyethylene |
| 06/10/1997 | US5637271 Method of producing non-woven fabrics for use in filters |
| 06/05/1997 | WO1997020207A1 Method and device for blood separation in a diagnostic device |
| 06/05/1997 | WO1997020104A1 Method of manufacturing a wire screen product and a wire screen product |
| 06/05/1997 | DE19544990A1 Cabin air filters with combined particle and adsorption filtration |
| 06/05/1997 | DE19544912A1 PTFE-Körper aus mikroporösem Polytetrafluorethylen mit Füllstoff und Verfahren zu dessen Herstellung The PTFE body of microporous polytetrafluoroethylene with a filler, and process for its preparation |
| 06/05/1997 | DE19544790A1 Disposable vacuum cleaner dust bag |
| 06/05/1997 | CA2238926A1 Method and device for blood separation in a diagnostic device |
| 06/05/1997 | CA2238510A1 Method of manufacturing a wire screen product and a wire screen product |
| 06/04/1997 | EP0776269A1 Powdered biocidal compositions |
| 06/04/1997 | EP0489157B1 Flexible tubular filter medium |
| 06/04/1997 | CN1151125A High-efficiency metal membrane getter element and process for making |
| 06/03/1997 | US5635665 Linear gas generant and filter structure for gas generator |
| 06/03/1997 | US5635060 Hydrophobic molecular sieve particles enmeshed within fibrillated polytetrafluoroethylene web matrix; chromatography, purification of aqueous fluids |
| 06/03/1997 | US5634954 Fibrous filter media |
| 06/03/1997 | US5634952 Exhaust gas filter and apparatus for treating exhaust gases using the same |
| 05/29/1997 | WO1997019299A1 Filter assembly |
| 05/28/1997 | EP0775843A1 Anti-shock mechanical filter structure |
| 05/28/1997 | EP0775089A1 Fluid treatment apparatus |
| 05/28/1997 | EP0775012A1 Filter unit and process for manufacturing a filter unit |
| 05/28/1997 | EP0762922A4 Metal filter for high temperature applications |
| 05/28/1997 | DE19611150A1 Particle filter for internal combustion engine |
| 05/27/1997 | US5633082 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 05/22/1997 | WO1997018339A2 Filtration device for filtering molten metal |
| 05/21/1997 | EP0773829A1 Composite membranes for solid phase extractions and reactions |
| 05/21/1997 | EP0773824A1 High temperature, chemical resistant filtration laminate |
| 05/21/1997 | CN2254373Y Corrugated filler |
| 05/20/1997 | US5630873 Treating acetyl cellulose with titanium dioxide, paraffin oil and dispersants, spinning for delustering |
| 05/20/1997 | US5630856 Self-supporting filter composite |
| 05/15/1997 | WO1997017525A1 Deep well filters |
| 05/15/1997 | WO1997017524A2 Deformable well screen and method for its installation |
| 05/15/1997 | WO1997016979A1 A filtration device for preparation of foods from food concentrates and liquids |
| 05/14/1997 | EP0773051A1 Filter unit for fluids |
| 05/14/1997 | EP0772484A1 Fibrous web and process of preparing same |
| 05/13/1997 | US5628916 Method for filtering edible oils |
| 05/13/1997 | CA2040198C Inorganic porous composite semi-permeable film and process for the preparation thereof |
| 05/13/1997 | CA2036331C Membrane device for a filtration, separation or catalytic reaction process |
| 05/10/1997 | CA2189108A1 Filters |
| 05/09/1997 | WO1997016233A1 Multi-layer separation units |
| 05/07/1997 | EP0639061B1 A dust bag and method of production |
| 05/07/1997 | DE19540876A1 Mehrschichtige Separationseinheiten Multi-layer separation units |
| 05/07/1997 | CN2253668Y High-efficient stainless-steel fiber filter felt |
| 05/06/1997 | US5626820 Clean room air filtering |
| 05/06/1997 | US5626761 Absorption filters from polymers of alkyl acrylate or alkyl methacrylate with acrylic acid, ammonia and epoxy resin |
| 05/02/1997 | EP0770714A1 Polyamide-imide fibers for a bug filter |
| 05/02/1997 | EP0684865B1 Filter for fluids |
| 05/01/1997 | WO1997015381A1 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it |
| 05/01/1997 | WO1997015369A1 Filter element and method of manufacture |
| 04/30/1997 | DE19639752A1 Selbsttragender Filterverbundstoff Self-supporting composite filter |
| 04/29/1997 | US5625861 Porous metal body and process for producing same |
| 04/29/1997 | US5624627 Melt-kneading polyethylene and plasticizer, forming sheet, extracting plasticizer, stretching sheet, heating, treating with corona discharge or plasma discharge |
| 04/29/1997 | US5624576 Pelletized composition for treatment of storm water runoff |
| 04/29/1997 | US5624560 Wire mesh filter including a protective jacket |
| 04/27/1997 | WO1997014495A1 High stiffness nonwoven filter medium |
| 04/24/1997 | WO1997015375A1 Conductive filter laminate |
| 04/23/1997 | EP0695211B1 Filter element with expanded metal jacket |
| 04/23/1997 | CN2252808Y 高效净水芯 Efficient water purification core |
| 04/23/1997 | CN2252658Y Honeycomb ceramic cast iron filter |
| 04/23/1997 | CN1147973A Equipment for removing dust contg. gas |
| 04/23/1997 | CN1147972A Filter element and fabrication method for the same |
| 04/22/1997 | US5622772 Highly crimpable spunbond conjugate fibers and nonwoven webs made therefrom |
| 04/22/1997 | US5622627 Purification comprising degreasing, filtering out particles and heavy metals |
| 04/22/1997 | US5622624 Filter element with expandable metal jacket |
| 04/22/1997 | US5622583 Method of producing a filter insert |
| 04/22/1997 | US5622537 Filtration arrangement |
| 04/16/1997 | EP0768394A1 Bulky long fiber and split yarn of polytetrafluoroethylene, method of manufacturing the same, cotton-like material manufacturing method using the fiber and yarn, and dust collecting filter cloth |
| 04/16/1997 | EP0682557B1 Air filter and method of producing the same |
| 04/15/1997 | US5620669 Coherent catalytic filter material of multiple fibers of fibrillated polymer having catalytic particles attached to nodes and fibrils and sheet of microporous membrane mounted on one side, forming barrier isolating particles in fluid |
| 04/15/1997 | US5620641 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom |
| 04/15/1997 | US5620545 Method of making a corrugated nonwoven web of polymeric microfiber |
| 04/10/1997 | WO1997012657A1 Advanced particulate media for precise separation of particles suspended in fluids |
| 04/10/1997 | DE19536128A1 Filter for water filtration incorporating permanent magnet and magnetic yoke forming aperture through which water flows |
| 04/09/1997 | EP0767214A1 Urea-formaldehyde resin binders for the preparation of sheet materials based on fibres |
| 04/09/1997 | EP0767181A2 Hydrophilically modified powdered high or ultrahigh molecular weight polyethylene |
| 04/09/1997 | EP0766995A1 Method for making a ceramic membrane |
| 04/09/1997 | EP0766652A1 Dual open porosity monolithic expanded aluminosilicate |
| 04/09/1997 | EP0766589A1 High-efficiency metal membrane getter element and process for making |
| 04/09/1997 | EP0766588A1 Improved method for sealing the edge of a filter medium to a filter assembly and the filter assembly produced thereby |
| 04/09/1997 | CN1147210A Porous ceramic filter, method of mfg. same, extrusion molding die for mfg. same, and extrusion molding machine using same |
| 04/09/1997 | CN1146924A Filter element |
| 04/08/1997 | US5618765 Ceramics porous body and method of preparing the same |
| 04/08/1997 | US5618762 Light-weight antibacterial ceramic and antibacterial ceramic filter |
| 04/08/1997 | US5618622 Anionic carboxylic acid or sulfonic acid group-containing hydrocarbon polymer with chitosan polyelectrolyte coating |
| 04/08/1997 | CA2124414C Filter tow, method for the production thereof, as well as tobacco smoke filter element and method for its production |
| 04/02/1997 | EP0765704A2 Method and apparatus for making sintered porous metal plate |
| 04/02/1997 | EP0765524A1 Method of reducing the volume of a mixture of resin powder and inert synthetic fibres |
| 04/02/1997 | EP0765185A1 Apparatus and methods for separating solids from flowing liquids or gases |
| 04/02/1997 | EP0730490A4 A composite structure and a method for forming same |
| 04/02/1997 | CN1146513A Papermaking machine fabrics, filters and reinforcing layers for elastomers comprising monofilaments comprising specific copolyesters, stabilized copolyesters and use of copolyesters for manufactur.... |
| 04/01/1997 | US5616243 Filter for inverted bottle type water dispenser |
| 04/01/1997 | US5616169 Seal-free and frame-free odor and/or pollutant filter |
| 04/01/1997 | CA2045333C Wall means |
| 03/26/1997 | EP0764617A1 Particulate materials |
| 03/26/1997 | EP0764489A1 Porous metallic body with large specific surface area, process for producing the same, porous metallic platy material, and electrode of alkaline secondary battery |
| 03/26/1997 | EP0764456A2 Unitary drop-in airbag filters |
| 03/26/1997 | EP0764455A2 A filter for a treatment of carbon-based particles in exhaust gas and a device for said treatment using said filter |
| 03/26/1997 | EP0764346A1 High vertical aspect ratio thin film structures |
| 03/26/1997 | EP0696259A4 Process and apparatus for the treatment of waste water |