Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
04/1998
04/30/1998WO1998017372A1 Aerosol filter
04/30/1998WO1998017368A1 High efficiency permanent air filter
04/30/1998WO1998017364A1 Method and apparatus for removing contaminants from fluid columns
04/30/1998CA2268919A1 Aerosol filter
04/30/1998CA2268512A1 High efficiency permanent air filter
04/29/1998EP0838084A1 Multilayer high vertical aspect ratio thin film structures
04/29/1998EP0724473B1 Fluid filter
04/28/1998US5744047 Leucocyte depleting filter device and method of use
04/28/1998US5743560 Spiral wrapped inner tube for gas generator filter
04/23/1998WO1998016296A1 Filter material production process
04/23/1998DE19703413C1 Filter material with disinfecting properties used in swimming pool filters
04/23/1998DE19642958A1 Multi layer nonwoven
04/22/1998EP0836877A1 Multilayer nonwoven fabric and process for making a nonwoven fabric
04/22/1998EP0836672A1 Combustion process for regenerating electrically conducting filter materials loaded with combustible substances
04/22/1998EP0836553A1 Composite particulate material and process for preparing same
04/22/1998EP0662868B1 Method for synthesizing diamond and products produced thereby
04/22/1998CN1179350A Structural filter element for purifying water and preparing process thereof
04/16/1998WO1998015337A2 Solid filter
04/15/1998EP0835365A1 Intumescent sheet material and paste with organic binder
04/14/1998US5738790 Composite membranes for solid phase extractions and reactions
04/14/1998US5738788 Porous material covered with a cationic polyvinyl acetal/alcohol crosslinked through photosensitive groups; efficiency, durability, clogging resistance; electrostatic water filtration
04/14/1998US5738373 Gas inflator with ceramic foam balls
04/09/1998WO1998014265A1 Method for manufacturing molded carbon filters
04/09/1998WO1998014257A1 Coalescer element
04/09/1998WO1998014078A1 Liquid resistant face mask
04/09/1998CA2264606A1 Liquid resistant face mask
04/08/1998EP0834949A2 Laminated structures of sintered ceramic material, electrochemical cells, filters and process for producing such sintered laminated structures
04/08/1998EP0834343A1 Exhaust gas purifying filter
04/08/1998EP0834004A1 Self supporting hot gas filter assembly
04/08/1998EP0833971A2 Fibrous nonwoven web
04/08/1998CN1178569A Exhaust gas purification device for IC engines
04/08/1998CN1178564A Disposable filters and manufacturing process
04/08/1998CN1178482A Composite membrane
04/08/1998CN1178479A Method of separating solids from liquids and/or separating emulsions
04/07/1998US5736471 Monofilament with naphthyl repeat unit along the polyester backbone provides a material with dimensional stability, nonhydrolyzing, abrasion and chemical resistant; filters
04/07/1998US5736109 Intumescent sheet material and paste with organic binder
04/07/1998US5736046 Used for hemodialysis
04/02/1998WO1998013131A1 System for filtering medical and biological fluids
04/02/1998WO1998013123A1 High-precision filter
04/01/1998EP0832676A1 Process and device for filtering fine particles in fluids
04/01/1998EP0831963A1 Micromachined porous membranes with bulksupport
04/01/1998EP0831960A1 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants
03/1998
03/31/1998US5733581 Apparatus for making melt-blown filtration media having integrally co-located support and filtration fibers
03/31/1998US5733452 Filter and end cap assembly including a porous layer for sealing with a potting material and method for making the assembly
03/31/1998US5733352 Diesel particulate filter; controlled surface roughness
03/26/1998WO1998012385A1 Solid phase extraction membrane
03/26/1998WO1998011974A1 Porous nickel filter material
03/26/1998DE19741171A1 Sieve for removal of very fine particles from e.g. oil, gas and water boreholes
03/25/1998EP0831161A1 Nonwoven fabric for pleated filter and process for preparing the same
03/25/1998EP0831076A1 Porous ceramics provided with amorphous pore surfaces and method for treating drain water and waste liquid by the use of same
03/25/1998EP0830886A1 Filter material and filter for filtering liquids or gases
03/25/1998EP0830270A1 Airbag filter assembly and method of assembly thereof
03/25/1998EP0830215A1 Machine and method of making a filter
03/25/1998EP0830194A1 Ceramic hot-gas filter and process for manufacturing it
03/25/1998EP0830191A1 Nonwoven, melt blown fluid filtration media with integral co-located support and filtration fibers, filter cartridges employing, and methods and apparatus of making, the same
03/25/1998CN1176842A Plate type filtering sheet and method for mfg. same
03/25/1998CN1176841A Filtering film of plate and type filter press
03/24/1998US5731065 Multilayered, textile, gas-permeable filter material against toxic chemical substances
03/24/1998US5730918 Aluminum hydroxide or oxide
03/24/1998US5730869 Porous ceramic filter
03/20/1998CA2216321A1 Porous ceramics provided with amorphous pore surfaces and method for treating drain water and waste liquid by the use of same
03/19/1998WO1998011282A1 Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters
03/19/1998WO1998010855A1 Porous structures and process for the manufacture thereof
03/19/1998DE19637849A1 Flood protection arrangement and procedure for buildings
03/19/1998CA2265878A1 Porous structures and process for the manufacture thereof
03/19/1998CA2264948A1 Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters
03/18/1998EP0829293A1 Filter material and method of making a filter material
03/18/1998EP0828898A1 Textile composite material
03/18/1998EP0716624B1 Filtering device
03/18/1998CN1176607A Filter medium for leukocyte removal
03/18/1998CN1176077A Filter tip filter tow formed from cellulose acetate and its manufacture method
03/17/1998US5728462 Cellulose acetate, metal salt
03/17/1998US5728306 Filter comprising a housing, glass fiber filter pads and non-woven polyester fiber filter pads
03/17/1998US5728299 Wound non-woven fabric filter having heat fusible fibers
03/17/1998US5728298 Filter element and method for the manufacture thereof
03/17/1998US5728187 Air filtration media
03/17/1998US5727813 Air bag inflator
03/12/1998WO1998009752A1 Method for producing a sintered part
03/12/1998WO1998009709A1 Method and apparatus for the continuous extrusion of block elements
03/12/1998WO1998009706A1 Method for forming seam in wire weave, and wire weave
03/12/1998DE19636524A1 Verfahren zur Herstellung eines gesinterten Bauteils A method for producing a sintered component
03/11/1998EP0827975A2 Cycloolefin-based polymer and process for producing the same
03/11/1998EP0827769A1 Filter element
03/11/1998EP0731728B1 Structure element of a device for the treatment of corrosive materials in heat and stress conditions
03/10/1998US5726107 Non-wovens of electret fiber mixtures having an improved charge stability
03/10/1998US5725774 Permeable matrix containing polyol that clumps erythrocytes; test for glucose or fructosamine
03/10/1998US5725762 Separation treatment system
03/10/1998US5725031 Method for introducing PTFE into a spin-on oil filter
03/10/1998US5724711 Apparatus for making steel wool filter pads and related method
03/05/1998WO1998008594A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof
03/05/1998WO1998008588A1 End flow filter and method of making same
03/05/1998WO1998008556A1 Method for removing tumor cells from tumor cell-contaminated stem cell products
03/05/1998DE19654949A1 Filter comprising adsorber articles bonded together by adhesive
03/05/1998CA2261612A1 Method for removing tumor cells from tumor cell-contaminated stem cell products
03/04/1998EP0826412A2 Method for producing filter elements and the filter elements thus produced
03/03/1998US5723047 Compressible filter element peripherally sealed by a settable material
02/1998
02/26/1998WO1998007599A1 Air bag inflator
02/26/1998WO1998007496A1 High capacity filter
02/26/1998WO1998007495A1 Solid filter of epoxy-bonded granules
02/26/1998DE19634114A1 Clean room clothing preventing emission of harmful gas and particles from body of wearer