Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
03/1997
03/26/1997EP0649321B1 Tracheostomy tube assembly
03/26/1997EP0586587B1 Ceramic-ceramic composite filter
03/26/1997EP0504422B1 Self-heating filter
03/25/1997US5614105 Cartridge filters with insoluble enzyme particulates contained thereon
03/25/1997US5614095 Filtration mediam support material and filter comprising same
03/25/1997US5614093 Discrete pore platelet filter manufactured by electropolishing
03/20/1997WO1997010047A1 Method and device for removing iron from aqueous liquids
03/20/1997WO1997000347A3 Fibrous nonwoven web
03/20/1997DE19534113A1 Regeneratable filter for eliminating cooking smells
03/19/1997EP0762922A1 Metal filter for high temperature applications
03/19/1997EP0762920A1 Bypass filtering
03/19/1997EP0649333B1 Filter device for a tracheostoma
03/19/1997CN2249750Y Bactericidal filtering water-purifier
03/18/1997US5612522 Reaction of sodium silicate and aluminate solutions to form sodium aluminosilicate gel for zeolites and reaction with potassium carbonate or bicarbonate
03/18/1997US5611832 Inorganic fibers with ceramic coatings, laminates, felts
03/18/1997US5611831 Ceramic fiber laminate; tensile and impact strength
03/18/1997CA2118703C Particle-loaded blown microfiber article for separation and purification
03/12/1997EP0761847A2 Paper-making machine fabrics, filters and reinforcement structures for elastomers containing monofilaments from copolyesters
03/12/1997EP0761710A1 Products with a porous structure premetallised with electroconductive polymers and process for their preparation
03/12/1997EP0761279A2 Honeycomb structure, process for its production, its use and heating apparatus
03/12/1997EP0761109A1 Breathing mask
03/12/1997EP0667800A4 Pleated filter assembly, and the method and apparatus for making.
03/12/1997EP0177521B2 Filter element for separating solid material particles from gas or liquid media
03/11/1997US5609761 Filter medium and process for making same
03/05/1997EP0711202A4 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same
03/05/1997CN2248585Y Biological filtering material for waste water treatment
03/05/1997CN1144504A Fabric laminates
03/05/1997CN1034155C Short fibre sintered filter core and its preparation technology
03/04/1997US5607735 High efficiency dust sock
03/04/1997US5607491 Air filtration media
03/04/1997US5607490 Polyimides for nonwoven fabrics used in filters
03/04/1997US5606966 Tracheostomy tube assembly
03/04/1997CA2086349C High speed upward flow filtration apparatus
02/1997
02/27/1997WO1997007272A1 Fibrous webs having enhanced electret properties
02/27/1997WO1997007063A1 Filtration medium
02/27/1997WO1997006877A1 Catalytic filter material and method of making same
02/27/1997CA2227422A1 Fibrous webs having enhanced electret properties
02/26/1997CN1143955A Method for separation of impurities from hot synthesis gas mixture in preparation of melamine
02/26/1997CN1143534A Method for manufacturing screen mini-filtering element and its use
02/25/1997US5605870 Ceramic fibers, and methods, machines and compositions of matter for making same
02/25/1997US5605748 Fiber beds for fiber bed mist eliminators
02/25/1997US5605746 Fibrous structures containing particulate and including microfiber web
02/25/1997US5605553 Ceramic hot-gas filter
02/22/1997CA2156543A1 Antox exhaust emission filter
02/20/1997WO1997006222A1 Mats with integrated rubber mulch
02/20/1997WO1997006206A1 Strong, air permeable membranes of polytetrafluoroethylene
02/20/1997WO1997002077A3 Surface-modified fibrous material as a filtration medium
02/19/1997EP0758262A1 Filter cloth
02/19/1997EP0749352A4 Microfabricated particle filter
02/19/1997CN1142980A Electrified double phase filter material for indoor air purifying device
02/18/1997US5603987 Composite particulate material and process for preparing same
02/18/1997US5603753 Filter device having elongate absorber particles fixed to a flat carrier
02/13/1997WO1997004851A1 Air filter, process for preparing air filter, local facilities, clean rooms, treatments, and process for preparing filter medium
02/12/1997CN1142410A Improved polymeric Membrane
02/12/1997CN1142408A Super filtering cores and manufacture thereof
02/11/1997US5601716 Filter material
02/05/1997EP0757024A1 Silicon nitride porous body and method of preparing the same
02/05/1997CN1142197A Device and process for removing leukocytes and viral inactivating agents from blood
02/04/1997US5599614 Integral composite membrane
02/04/1997US5599457 Machine coolant treatment method
02/04/1997US5599456 Passing fluid through contactor having reticulated foam structured element comprising foamed substrate of zinc or copper having bound alloy particles capable of promoting reduction/oxidation reaction with contaminants therein
02/04/1997US5599380 Polymeric membrane
02/04/1997US5599366 Post-treatment of laminated nonwoven cellulosic fiber webs
01/1997
01/29/1997EP0755713A1 Device for cleaning dust-laden gas
01/29/1997EP0755710A1 Filter element and fabrication method for the same
01/29/1997EP0755709A1 Filter for removing aerosols
01/29/1997CN1141598A Nonwoven filter media
01/29/1997CA2182304A1 Highly crimpable spunbond conjugate fibers and nonwoven webs made therefrom
01/28/1997US5597665 Three-dimensional network with interconnecting pores, comprising metallic skeleton parts
01/28/1997US5597645 Nonwoven filter media for gas
01/28/1997US5597619 Filtering material and method of producing the same
01/28/1997US5597493 Device and method to separate the components in mixture of non-miscible liquids
01/23/1997WO1997002412A1 Intumescent sheet material and paste with organic binder
01/23/1997WO1997002411A1 Combustion process for regenerating electrically conducting filter materials loaded with combustible substances
01/23/1997WO1997002410A1 Soot filter, in particular for diesel engine exhaust gases
01/23/1997WO1997002077A2 Surface-modified fibrous material as a filtration medium
01/23/1997DE19526458A1 Filter cloth for filter presses
01/23/1997CA2225810A1 Intumescent sheet material and paste with organic binder
01/22/1997EP0754850A1 Filter for different motors and machines
01/22/1997EP0708679A4 Gas stream odorant filtering apparatus and method
01/22/1997EP0684867A4 Blood filter and method of manufacturing filter.
01/22/1997EP0684866A4 Filtration media and device for filtering leukocytes.
01/22/1997EP0561001B1 Laminated filter medium, method of making said medium, and filter using said medium
01/22/1997CN1140625A Active carbon-fibre containing iodine and its preparing process
01/21/1997US5595667 Filter aids; filter cake used as a fuel
01/21/1997US5595659 Filter material for removing chlorine from cold water in preparing a human-consumable beverage
01/21/1997US5595653 Microcolumn for extraction of analytes from liquids
01/21/1997US5595649 Particle-loaded nonwoven fibrous article for separations and purifications
01/21/1997CA2030199C Polymeric microfiber filter medium
01/18/1997CA2181322A1 Papermaking machine fabrics, filters and reinforcing layers for elastomers comprising monofilaments comprising specific copolyesters, stabilized copolyesters and use of copolyesters for manufacturing papermaking machine fabrics, filters and r inforcing layers for elastomers
01/16/1997DE19621868A1 Filtrationsvorrichtung Filtration device
01/15/1997EP0753490A1 Honeycomb structural body and method of manufacturing the same
01/15/1997EP0752929A1 Fabric laminates
01/15/1997EP0752901A1 Method of manufacturing flexible sheet filter material designed to keep out toxic substances, and use of the material
01/14/1997US5593768 Softness, strength, disposable
01/14/1997US5593626 Method of fabricating molded filter element
01/14/1997US5593587 Cell strainer
01/14/1997US5593479 Filter system
01/09/1997WO1997000970A1 Method for adsorbing antimicrobial agents contained in a biological fluid, and apparatus therefor
01/09/1997WO1997000770A1 Composite particulate material and process for preparing same