Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
10/2000
10/03/2000US6126822 Suction and discharge apparatus for drilling fluid
10/03/2000US6126729 Portable air filter system
09/2000
09/28/2000WO2000056421A1 Dual media vacuum filter bag
09/28/2000CA2367429A1 Dual media vacuum filter bag
09/27/2000EP1038566A2 A particulate filter and a fabrication method thereof
09/27/2000EP1038041A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream
09/27/2000CN2397983Y Air filter
09/27/2000CN2397982Y Compound air dust filtering net
09/27/2000CN1267563A Short-staple filter material and filter element
09/27/2000CA2512204A1 Pleated filter media with strip spacers and method of making
09/26/2000US6123752 High efficiency synthetic filter medium
09/26/2000US6123359 Inflator for use with gas generant compositions containing guanidines
09/21/2000WO2000054873A1 Biological fluid filter and system
09/21/2000WO2000054866A1 Responsive gels and methods of use thereof
09/21/2000DE10002432A1 Method for producing filter elements for blood filters involves application of silicone oil or silicone defoamer, without any added substances or dissolvents, as an aerosol to the filter element
09/21/2000CA2367571A1 Responsive gels and methods of use thereof
09/20/2000EP1036771A1 Use of separated plastic wastes and process for producing granules for waste water treatment
09/20/2000EP1036229A1 Molded respirator containing sorbent particles
09/20/2000EP1035902A1 Filter element
09/20/2000EP1035900A2 Fluid filter and methods for making same
09/19/2000US6120633 Method of fabricating a self pleating filter media
09/19/2000US6119691 Electret filter media
09/19/2000CA2022390C Ceramic foam filters
09/14/2000WO2000053287A1 Leukocyte filter assembly, media, and method
09/14/2000WO2000053286A1 Leukocyte reduction filtration media
09/14/2000WO2000053285A1 Filter element for filtering liquid or gaseous media
09/14/2000WO2000037736A3 Method of coating hydrophobic polymer fibers with poly(vinyl alcohol)
09/13/2000CN1265938A Pile filling material and making method thereof
09/13/2000CN1265932A Method for making high molecular filter material
09/13/2000CN1265931A Screen for making oil pass through and stop water
09/12/2000US6117592 Electrode comprising three-dimensional microporous structure composed entirely of a sintered metal powder and filled with different active material
09/12/2000US6117459 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants
09/12/2000US6117341 A multilayer membrane electrolytically generating a gas for self-cleaning
09/12/2000US6117297 Electrodialysis apparatus
09/12/2000US6117059 Method of manufacturing a filtration bag
09/12/2000US6116643 Coolant/filter for air bag gas generator
09/06/2000EP1033168A2 Column packing and method for manufacturing the same
09/06/2000EP1032547A1 Molten metal filtration
09/06/2000EP1032546A1 Porous ceramic structures and methods of making porous ceramic structures
09/06/2000CN1265333A Gas medium filter
09/05/2000US6113664 Flange densification for filter candles
09/05/2000US6112908 Dissolving hydrophilic prepolymer in a volatile low surface tension organic liquid, applying to a hydrophobic microporous membrane, evaporating, crosslinking surface to render it water insoluble, drying; membranes for osmotic distillation
09/05/2000CA2188889C Radial-flow filter and method of manufacture
08/2000
08/31/2000WO2000050776A1 Filter and muffler for vacuum pump
08/31/2000WO2000050149A1 Sealing system for filter
08/30/2000EP1031810A2 Filter-heat exchanger
08/30/2000CN2393626Y Purifying filtering materials containing particular adsorbent
08/30/2000CN1264608A Staple material for core of filter and its preparing process
08/30/2000CN1055869C Structural filter element for purifying water and preparing process thereof
08/29/2000US6110417 Porous metallic sheet used as an electrode substrate of a battery and method of manufacturing the porous material sheet
08/29/2000US6110374 Treatment process for removing microbial contaminants suspended in wastewater
08/29/2000US6110309 Process of making a polyvinylidene difluoride membrane
08/29/2000US6110250 Particle filter in the form of a pleated non-woven layer
08/29/2000US6110243 Cleanable filter bag assembly
08/26/2000CA2299179A1 Filter-heat exchanger
08/24/2000WO2000048952A1 Method of making silica glass honeycomb structure from silica soot extrusion
08/24/2000WO2000048828A1 Silice glass honeycomb structure from silica soot extrusion
08/24/2000WO2000048807A1 Improved method of making multicellular filters
08/24/2000WO2000048707A1 Filter cloth
08/24/2000WO2000048706A1 Clarification of carbohydrate hydrolysates
08/24/2000WO2000048682A1 Heat and moisture exchanger comprising hydrophilic nylon and methods of using same
08/24/2000WO2000048478A1 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
08/23/2000EP1028794A1 Filter material construction and method
08/23/2000EP0730490B1 A composite structure and a method for forming same
08/22/2000US6106897 Polymer pore structure
08/22/2000US6106586 Air filter for clean room
08/22/2000CA2153763C Filter for fluids
08/22/2000CA2054933C Filter for parenteral systems
08/17/2000WO2000047306A1 Aerosol filter media
08/17/2000DE19904245A1 Production of a composite filter comprises placing filter layers and filter sheets together in an alternating manner, aligning the edges and joining with adhesive
08/17/2000DE19904244A1 Multiple layer filter element formed from separate elements, by ultra-sound fusion of thermoplastics inserts interleaved around the edge regions of the filter elements
08/16/2000EP1028319A2 Device and method for measuring HDL-cholesterol emplying precipitation on a solid-phase
08/16/2000EP1027499A1 Heat seal infusion web material and method of manufacture
08/15/2000US6103645 Foam filter material and process to prepare foam filter material
08/15/2000US6103643 Stiffened, porous, fabric comprising a spunlaced fabric formed from entangled heat resistant staple fibers; filtration of hot gases
08/15/2000US6103181 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
08/15/2000US6103132 Filtration of liquids, backwashing, pile threads and releasing
08/15/2000US6103122 Filter sheet for purifying photoresist composition
08/15/2000US6102977 Air purification
08/15/2000US6102039 Molded respirator containing sorbent particles
08/15/2000US6101793 Exhaust gas filter, method of producing the same, and exhaust gas purification apparatus
08/15/2000CA2122348C Conical coalescing filter
08/10/2000WO2000045945A1 Method for manufacturing filter having ceramic porous film as separating film
08/10/2000WO2000045944A1 Method for manufacturing filter having ceramic porous film as separating film
08/10/2000WO2000045943A1 Porous medium having a plasma polymerized surface
08/10/2000WO2000045938A1 High performance filters based on inorganic fibers and inorganic fiber whiskers
08/10/2000WO2000045937A1 Tow wound filter cartridge
08/10/2000WO2000045935A1 Oil filter assembly for industrial applications
08/10/2000WO2000045934A1 Filter forming and joining apparatus
08/10/2000WO2000045933A1 Graded particle-size retention filter medium for cell-type filter unit
08/10/2000WO2000045888A1 Filter with varying density which is responsive to fluid flow
08/10/2000DE19903237A1 Gasgenerator Gas generator
08/10/2000CA2361500A1 Filter forming and joining apparatus
08/10/2000CA2361493A1 Filter with varying density which is responsive to fluid flow
08/09/2000EP1024940A1 Method and apparatus for in-line splitting of plural-component fibers and formation of nonwoven fabrics
08/09/2000EP1024879A1 A wicking fiber with solid particulates for a high surface area odor removing filter
08/09/2000EP1024873A1 Optimized wax for sealing the edge of a filter sheet
08/09/2000EP0912226B1 Candle filter
08/09/2000EP0776269A4 Powdered biocidal compositions
08/09/2000CA2296422A1 Filter