Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
10/1993
10/16/1993CA2094008A1 Air filter and method for reducing the amount of microorganisms in contaminated air
10/14/1993WO1993019832A1 Filter element with a dimensionally stable, permeable and porous plastic moulded body
10/14/1993WO1993019831A1 Blood separation filter assembly and method
10/14/1993DE4311439A1 Tapered combined gas filter and conditioning screen - e.g. for a ventilation system providing humidification and dehumidification
10/13/1993EP0564967A1 Process and apparatus for the production of a filter having the form of a honeycomb
10/13/1993EP0564799A2 Multilayer filter material
10/12/1993US5252525 Compositions for forming high temperature ceramic particulate filters
10/12/1993US5252222 Synthetic microporous polymeric structure
10/12/1993US5252207 Wrap member having openings
10/12/1993US5252204 Unimold filter
10/12/1993CA1322965C Filter pad with pocket and method of using the same
10/07/1993DE4211529A1 Filterelement mit einem formstabilen, durchlässig-porösen Kunststoff-Formkörper Filter element with a rigid, porous-permeable plastic moldings
10/06/1993EP0563261A1 Preparation and use of mullite whisker networks
10/06/1993EP0563135A1 Methods of forming fibrous filtration face masks.
10/06/1993EP0553209A4 Sintered metal sand screen
10/06/1993CN2143134Y High temperature liquid alloy ceramic grid filtering plate
10/06/1993CN2143133Y Super-clean water filter
10/05/1993US5250094 Fiber media composed of ceramic, glass and metallic thermoconductive fibers; longitudinal pleats define internal flow passageway
10/05/1993US5249948 Apparatus for the continuous extrusion of solid articles
09/1993
09/30/1993WO1993018841A1 Ceramic filter construction and methods of filtering using such construction
09/30/1993WO1993018840A1 Self-supporting coated filter element
09/30/1993DE4209405A1 Producing micro and ultrafiltration membranes - from ceramic, by drawing together membrane tubular bundle and tube cover in vacuum extrusion press
09/29/1993EP0562597A1 Fiber-reinforced porous body and particulate trap filter composed of the same
09/29/1993EP0562412A2 Process and device for separating soot particles from exhaust-gas stream
09/29/1993CN2142747Y Rolling filter-cloth filtering core
09/28/1993US5248482 Diesel particulate trap of perforated tubes wrapped with cross-wound inorganic yarn to form four-sided filter traps
09/28/1993US5248481 Diesel particulate trap of perforated tubes having laterally offset cross-wound wraps of inorganic yarn
09/28/1993US5248428 Article for separations and purifications and method of controlling porosity therein
09/28/1993US5248425 Aqueous thermite coated filter
09/28/1993US5248415 High speed upward flow filtration apparatus
09/23/1993DE4208862A1 Pleated filter element esp. for air filter - has adhesive layer on pleat side edges
09/22/1993EP0561598A1 A filtering material and a method of producing the same
09/22/1993EP0561379A1 Filter medium having a limited surface negative charge for treating a blood material
09/22/1993EP0561001A1 Laminated filter medium, method of making said medium, and filter using said medium
09/22/1993EP0560955A1 Filter matting for a reversible-flow filter
09/21/1993US5246637 Splitting graft polymer into yarns, charging
09/21/1993US5246474 Process for manufacturing a self-supporting filter unit
09/16/1993WO1993017774A1 Filter and method for obtaining platelets
09/16/1993DE4208195A1 Selbsttragendes, beschichtetes filterelement Self-supporting, coated filter element
09/15/1993CN1076138A Filtor and units of same
09/14/1993US5244703 Vacuum cleaner bag
09/14/1993US5244482 Post-treatment of nonwoven webs
09/14/1993US5244467 Method for production of polyphenylene sulfone fibers
09/14/1993CA1322134C Ceramic filtration membrane and fabrication process thereof
09/13/1993CA2089016A1 Polyester bag filter
09/08/1993EP0559086A1 Filter for removing leucocytes
09/08/1993EP0383788B1 Method and apparatus for filtering contaminants
09/08/1993CN2141732Y Greasy dirt filter for civil cooker hood
09/07/1993US5242747 Gas permeable materials
09/07/1993US5242595 Bacteria removal by ceramic microfiltration
09/07/1993CA1321959C Filter element for collecting dusts
09/07/1993CA1321956C Filtration fabric produced by wet laid process
09/06/1993CA2074592A1 Filter and method for obtaining platelets
09/05/1993WO1993017567A1 Extension of edible oil lifetime using activated carbons
09/05/1993CA2102312A1 Extension of edible oil lifetime using activated carbons
09/02/1993WO1993016783A1 Scrim inserted electrostatic fibrous filter web
09/02/1993DE4206442A1 Surface filter used for protective clothing - comprises air permeable carrier of particles fixed by two component crosslinked adhesive
09/01/1993EP0558091A1 Filtration apparatus
09/01/1993EP0557478A1 Process for preventing runs in the filter wrap of a draining element.
09/01/1993EP0506858B1 New filter media for use in surgical and clean room masks
09/01/1993CN1075698A Bio-active coal filtering material and its application
08/1993
08/31/1993US5240610 Flexible tubular filtering material
08/31/1993US5240593 Apparatus for the purification of fluids
08/31/1993US5240587 Method of producing a filter material
08/31/1993US5240479 Pleated filter media having a continuous bead of adhesive between layers of filtering material
08/26/1993DE4304085A1 Open=pored body - has concave pore structure formed by crystals washed out of a degradable plastics matrix
08/26/1993DE4205648A1 Flat filter for protection against toxic skin-permeable chemicals - comprising air-permeable carrier coated with non-carbonised polymeric absorber particles applied with adhesive in point pattern
08/25/1993EP0556362A1 Method and device for the filtration of a liquid containing suspension particles.
08/25/1993EP0556189A1 Anti-static fuel filter.
08/25/1993CN1075514A Scrim inserted electrostatic fibrous filter web
08/24/1993US5238621 Method of controlling porosity in a composite article
08/24/1993US5238571 Arrangement for separating entrained particles from a stream of molten metal
08/24/1993US5238478 Ceramic filter element and method of manufacture
08/24/1993US5238477 Hepa filter unit having a metallic membrane
08/24/1993US5238474 Filtration arrangement
08/24/1993CA1321552C Filter arrangement
08/24/1993CA1321470C Ceramic material permitting the passage of fluids and based on silicon powder reaction-bonded in the presence of carbon
08/19/1993WO1993016019A1 Linear gas generating agent and filter construction for gas generator
08/19/1993WO1993015821A1 Liquid filtration module and apparatus
08/19/1993WO1993015651A1 Acrylic copolymer membranes for biosensors
08/19/1993WO1993015617A1 Low-fat edible pourable product and a process and a composition for preparing same
08/19/1993DE4204580A1 Gas sample prepn. appts. - used esp. for drying chimney gas sample for gas analysis
08/19/1993CA2107888A1 Liquid filtration module and apparatus
08/11/1993EP0554460A1 Filter medium for selective removal of leukocytes and device packed therewith
08/10/1993US5234739 Polytetrafluoroethylene porous film and preparation and use thereof
08/10/1993US5234594 Nanochannel filter
08/10/1993US5234593 Filter for purification of platelets
08/10/1993US5234592 Piston paint pump filter
08/10/1993US5234550 Wall means having slots between adjacent bars for withdrawing liquid from particle material
08/05/1993WO1993014859A1 Hot-gas-filtering fabric of spaced uncrimped support strands and crimped lofty fill yarns
08/05/1993CA2127534A1 Hot-gas-filtering fabric of spaced uncrimped support strands and crimped lofty fill yarns
08/04/1993EP0554223A1 Process for preparing a filter unit and the filter unit prepared by said process
08/04/1993EP0553637A1 Filter material, in particular for oil, gasoline or diesel filter for automotive vehicles
08/04/1993EP0553209A1 Sintered metal sand screen.
08/03/1993US5232955 Process for producing a high strength artificial (cast) stone with high permeability and filter effect
08/03/1993US5232770 High temperature stable nonwoven webs based on multi-layer blown microfibers
08/03/1993US5232595 Deep bed filter, method of manufacture of a filter layer and a filter module
08/01/1993CA2060430A1 Bag filter with thermoplastic tape-sealed sewn seam
07/1993
07/28/1993EP0552706A1 Filtration device for gas stream filtration
07/28/1993EP0373215B1 Porous inorganic membrane with reactive inorganic binder, and method of forming same