Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
10/1997
10/28/1997US5681656 Polyamide-imide fibers for a bag filter
10/28/1997US5681483 Separation of emulsion containing solids by centrifuging in a filter basket covered by coated cloth which retains filter cake
10/28/1997US5681469 Melt-blown filtration media having integrally co-located support and filtration fibers
10/28/1997US5681468 Filter coated with antimicrobial material
10/23/1997DE19615618A1 Purification of effluent air from various industries
10/22/1997EP0801969A1 filter media
10/22/1997EP0741821A4 Disposable filters and manufacturing process
10/22/1997CN1162499A Inorganic porous sintered body and filter
10/21/1997US5679441 Mesh of metal wires to which a non-woven web of metal fibers is bonded by sintering
10/21/1997US5679264 Fibrous porous medium treated with plasma generated from mixture of gases for removing leukocytes from biological fluid
10/21/1997US5679251 Wrapping activated carbon paper around sections of yarn; filters fine carbon particles and soot from oil
10/21/1997US5679248 Coextruded blocks and applications therefor
10/16/1997WO1997037745A1 Foam filter material and process to prepare foam filter material
10/15/1997EP0800863A1 Adsorbent article with dust collecting function
10/15/1997EP0800407A1 Method and apparatus for treatment of fluids
10/14/1997US5677031 Porous fused polytetrafluroethylene structure consisting of sheet of particles fused together to form interconnected network
10/14/1997US5676833 High-temperature ceramic filter
10/09/1997WO1997036954A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997WO1997036953A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997WO1997036952A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997WO1997036667A1 High efficiency and high capacity filter media
10/09/1997WO1997036666A1 Method of producing an adsorber filter body
10/09/1997DE19613463A1 Filter element for a gas filter
10/09/1997CA2250463A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997CA2250456A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/09/1997CA2250455A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom
10/08/1997EP0799928A2 Antibacterial antifungal agent and fibrous material containing the same
10/08/1997EP0799810A2 Sintered foams with open porosity and continuous process for their preparation
10/08/1997EP0799141A1 A filtration device using absorption for the removal of gas phase contaminants
10/08/1997CN1161248A Hot adhesion type fibre filtering core and method for producing same
10/07/1997US5674919 Biaxially oriented film of high molecular weight polyethylene, process for preparing the same, surface-modified biaxially oriented film of high molecular weight polyethylene and process for preparing the same
10/07/1997US5674593 Thin, flat cellulose material overcoatings impregnated with a polyisocyanate compound; lightweight, efficiency; cardboard, shelves, cabinet
10/07/1997US5674339 Process for fibrous structure containing immobilized particulate matter
10/07/1997US5673483 Method for constructing an inflator filter made of wrapped mesh
10/02/1997DE19612780A1 Metallic filter element production for hot gases
10/02/1997DE19612592A1 Verfahren zur Herstellung eines Adsorber-Filterkörpers A method for producing a adsorber-filter body
10/01/1997EP0798452A1 Particulate trap for diesel engine
09/1997
09/30/1997US5672420 High temperature ceramic articles having corrosion resistant coating
09/30/1997US5672399 Filter material construction and method
09/30/1997US5672387 Heat treating porous metal body in a mixed gas containing a gas generated by chromium or its compounds or a combination of aluminum and chromium, and ammonium halide in presence of hydrogen reducing gas and an inert diluent gas; alloying
09/30/1997US5672232 Apparatus for producing tubular products from nonwoven fibers
09/30/1997US5672188 High capacity filter media
09/25/1997WO1997034678A1 Self-sealing liquid filter
09/25/1997CA2249452A1 Self-sealing liquid filter
09/24/1997EP0796830A1 Porous permeable body and method for its preparation
09/24/1997CN1035954C Filtering aid for clearing beer
09/23/1997US5670238 Exterior cellulose; corrugated cardboard core
09/23/1997US5670044 Cylindrical filter and process for producing the same
09/23/1997CA2126160C Multiple width fiber strip and method and apparatus for its production
09/18/1997WO1997033677A1 Filtering medium in sheet form for filters of fluids in general, particularly for oil filters for internal-combustion engines
09/18/1997DE19633257C1 Fine porous glass granule or powder production
09/17/1997EP0795075A1 Exhaust gas after-treatment devices with increased friction between honeycomb monolith and encapsulation
09/17/1997EP0705368B1 Reduction of openness of materials
09/16/1997US5667685 Filter for the filtration of molten aluminum
09/16/1997US5667611 Weaving the multicomponent filaments forming non-flexing, nonabrasive, chemical resistant fibers; filters
09/16/1997US5667562 Spunbond vacuum cleaner webs
09/16/1997US5667544 Extended life filter apparatus
09/16/1997US5666950 Filter device for a tracheostoma
09/12/1997WO1997033026A1 Melt-blown non woven fabric, process for producing same and the uses thereof
09/12/1997WO1997032648A1 Radial-flow filter and method of manufacture
09/12/1997WO1997032646A1 Nanofiber packed beds having enhanced fluid flow characteristics
09/10/1997EP0793990A2 Process for manufacturing a filter medium, the medium manufactured thereby, and filters using said medium
09/10/1997EP0793989A1 Radial-flow filter and method of manufacture
09/09/1997US5665479 Filter
09/09/1997US5665235 Supported fibrous web assembly
09/09/1997US5665234 Micro-filter disc and a method for its production
09/09/1997US5665233 Filter apparatus for selectively removing leukocytes
09/09/1997US5665131 Inflator filter made of wrapped mesh
09/09/1997US5664628 Filter for subterranean wells
09/09/1997CA2019023C Nickel foam
09/04/1997WO1997031695A1 Coreless non-metallic filter element
09/03/1997EP0792677A1 Leucocyte depleting filter-device, media and method of use
09/03/1997EP0792676A1 Thin-walled, extruded activated carbon filter
09/03/1997EP0792409A1 Filter for subterranean wells
09/02/1997US5662728 Particulate filter structure
08/1997
08/28/1997WO1997030809A1 Method for forming dendritic metal particles
08/28/1997WO1997030772A1 Multi-layer bag filter
08/28/1997WO1997030771A1 Electrostatic fibrous filter web
08/28/1997DE19611798C1 Unit fitting in downpipe collecting rainwater filtered consists of increasingly fine sieves
08/28/1997DE19606718A1 Mehrlagige Filtertüte Multi-layer filter bag
08/27/1997EP0790852A1 Filter material and process for removing components from gas mixtures and liquids
08/27/1997EP0418285B1 Coated textile materials
08/27/1997CN1035722C Method for producing plastic photosensitive resists tube type filter element
08/26/1997US5660680 Method for fabrication of high vertical aspect ratio thin film structures
08/21/1997WO1997029829A1 Composite filtration media
08/21/1997WO1997023246A3 High efficiency breathing mask fabrics
08/21/1997DE19605433A1 Water absorbing filter for hydraulic and engine oils
08/20/1997EP0790070A1 Composite filtration media
08/20/1997EP0790032A2 Cleaning equipment
08/20/1997EP0790007A1 Low CO cigarette
08/20/1997EP0789613A1 Nonparticulating adsorbent recirculating filter
08/20/1997EP0789612A1 High density nonwoven filter media
08/20/1997CN1157578A Fibre-coated filter element and process for manufacturing the same
08/20/1997CN1157183A Electret nonwoven fabric filter and method of making
08/20/1997CN1157182A Special efficiency air purifying material and manufacturing method thereof
08/19/1997US5658641 Web of melt blown microfibers; electret filters
08/19/1997US5658640 Electret filter media having an undulated surface
08/14/1997WO1997028882A1 Charge-modified nonwoven filter
08/14/1997WO1997028881A1 Pelletized composition for treatment of storm water runoff
08/14/1997CA2244824A1 Charge-modified nonwoven filter