| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 12/15/1999 | EP0963834A1 Scaffold material with a self-stabilizing structure |
| 12/15/1999 | EP0963775A2 Filtering medium for air filters and process for producing the same |
| 12/15/1999 | EP0963295A1 Ink filter element for printers |
| 12/15/1999 | EP0922129A4 Asphalt-containing organic fibers |
| 12/15/1999 | EP0673753B1 Porous tube of fiber-reinforced plastic and methods of manufacturing the same |
| 12/15/1999 | CN2353436Y Portable water-purifying device |
| 12/14/1999 | US6002017 Compounds useful as resin additives |
| 12/12/1999 | CA2273746A1 Fabric for forming fiber cement articles |
| 12/09/1999 | WO1999062993A1 Fine powder-type porous ptfe material |
| 12/09/1999 | WO1999062616A1 Carbon structure |
| 12/08/1999 | EP0962244A1 Plastic filter for a photograph developing apparatus |
| 12/08/1999 | EP0962243A1 Filter medium |
| 12/08/1999 | EP0889930B1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 12/08/1999 | CN2352509Y Two purpose filtering equipment for liquid/water in coal mine |
| 12/08/1999 | CN2352242Y High efficiency filtering material pressure differemtial type filtering machine |
| 12/08/1999 | CN1237470A Nanometer-grade filter tube and its production method |
| 12/08/1999 | CN1237469A Fibre bundle for fibre filter |
| 12/07/1999 | US5998322 Filter medium for molten metals |
| 12/07/1999 | US5997618 Filter and method for making a filter |
| 12/07/1999 | US5997614 Filter with diffusion channel and methods of making and using the filter |
| 12/07/1999 | US5997598 Air filter for clean room |
| 12/07/1999 | CA2012625C Manufacturing method of filter element for dust collector |
| 12/03/1999 | CA2239443A1 Biomimetic materials |
| 12/02/1999 | WO1999061130A1 Phase-separation member |
| 12/02/1999 | DE19820153C1 Filter unit for a dirt sucking apparatus |
| 12/01/1999 | EP0960967A1 Melt-blown, non-woven fabric of polyarylene sulfide and method for producing same |
| 12/01/1999 | EP0960645A2 Vacuum cleaner bag or filter, and method of filtering a gas |
| 12/01/1999 | EP0960644A1 Filter medium and air filter unit using the same |
| 12/01/1999 | EP0960023A1 Continuous ceramic fiber composite hot gas filter |
| 12/01/1999 | EP0959981A1 Method for separating mixtures of substances using a material pervious to said substances |
| 12/01/1999 | CN2351180Y Flushable air-conditioner filter |
| 12/01/1999 | CN1237115A Air-cleaning filter, method of producing same, and high-level cleaning device using air-cleaning filter |
| 12/01/1999 | CN1236659A High-absorptivity filter plate with deodouring and detoxicating functions and its preparing process |
| 11/30/1999 | US5993661 Macroporous or microporous filtration membrane, method of preparation and use |
| 11/30/1999 | US5993605 Apparatus for manufacturing a filtering medium in sheet form |
| 11/30/1999 | US5993502 Sintered metal filters |
| 11/30/1999 | US5993501 Composite filter media |
| 11/25/1999 | WO1999059707A1 Highly porous polyvinylidene difluoride membranes |
| 11/25/1999 | WO1999059697A2 Coated filter element and a method for producing a coated filter element |
| 11/25/1999 | CA2292916A1 Highly porous polyvinylidene difluoride membranes |
| 11/24/1999 | EP0958851A1 Air cleaning filter |
| 11/24/1999 | EP0958432A1 Method of manufacturing a wire screen product and a wire screen product |
| 11/24/1999 | EP0958035A2 Method for producing microporous elements, the microporous elements thus produced and uses thereof |
| 11/24/1999 | EP0958030A1 Filter material production process |
| 11/24/1999 | EP0958028A1 Filter cloth, filter method and filtering device for liquid filtration |
| 11/24/1999 | CN1235868A Arsenic adsorbent and fluorine adsorbent using soil as raw material and its producing method |
| 11/24/1999 | CN1046637C Respirator and filter cartridge |
| 11/23/1999 | US5990106 Antibiotics; 3-azabicyclo(3.2.0)hept-3-yl group joined at given position of a pyridonecarboxylic acid residue, such as 7-(1-amino-3-azabicyclo(3.2.0)hept-3-yl)-1-cyclopropyl-6,8-difluoro-1,4 -dihydro-4-oxoquinoline-3-carboxylic acid |
| 11/23/1999 | US5989736 Carbon fiber and ceramic fiber paper composites and uses therefor |
| 11/23/1999 | US5989651 Phase separation apparatus |
| 11/23/1999 | US5989420 Ceramic filter formed within ultrasonically vibrated extrusion molding die to have an average particle size gradient continually increasing from first surface toward second surface |
| 11/23/1999 | US5988400 Pourous fluorocarbon membrane, method for producing thereof and cartridge filter based on said membrane |
| 11/23/1999 | US5988388 Device and method for the protection of objects against impacts or other mechanical effects |
| 11/18/1999 | WO1999058335A1 Oleophobic laminated articles, assemblies of use, and methods |
| 11/18/1999 | WO1999058224A1 Triboelectric air filter |
| 11/18/1999 | WO1999058223A1 Composite porous media |
| 11/18/1999 | WO1999058041A2 Vacuum cleaner bag or filter and method of filtering a gas |
| 11/18/1999 | DE19822089A1 Coated filter element for removing fine particles from gases and liquids |
| 11/18/1999 | DE19821869A1 Filter unit for removal of soot from diesel exhaust gases |
| 11/18/1999 | DE19821279A1 Filter for effluent water bearing flocculated load discharged from chemical or electrolytic process |
| 11/18/1999 | CA2331636A1 Vacuum cleaner bag and improved vacuum cleaner bag |
| 11/18/1999 | CA2331596A1 Composite porous media |
| 11/17/1999 | EP0957241A2 Particulate trap for diesel engine |
| 11/17/1999 | EP0956137A1 Filter cassette |
| 11/17/1999 | EP0956135A1 Filter having magnetic components and method of manufacturing same |
| 11/17/1999 | EP0815162B1 Porous ptfe film and a manufacturing method therefor |
| 11/16/1999 | US5985411 Self-supporting pleated filter composite |
| 11/16/1999 | US5985328 Micromachined porous membranes with bulk support |
| 11/16/1999 | US5985164 Method for forming a filter |
| 11/16/1999 | US5985112 Dispersing nanofibers and scaffold particulates in medium to form suspension, separating medium from suspension to form packed bed. |
| 11/16/1999 | US5985004 Mist eliminator |
| 11/16/1999 | US5984990 Having intake grates inserted within rigid top disposed adjacent to each edge, blower mounted in enclosure, air flow chamber containing dust removing filters fluidly communicated with grates and blower, exhaust grate |
| 11/16/1999 | US5984110 Device for purifying lightly laden water |
| 11/16/1999 | US5984108 Fluid filtering system with variable filter layer |
| 11/16/1999 | US5983873 Endothermal engine provided with a device for purifying the blow-by gases of the block |
| 11/11/1999 | WO1999056899A1 Porous metal-containing materials, method of manufacture and products incorporating or made from the materials |
| 11/11/1999 | WO1999056871A1 Purification elements and packs |
| 11/11/1999 | WO1999056851A1 Ceramic filter |
| 11/11/1999 | WO1999056850A1 Chelate-forming filter, process for producing the same, and method of purifying liquid with the filter |
| 11/11/1999 | WO1999044719A3 Improved molten metal filtration and distribution device and method for manufacturing the same |
| 11/11/1999 | DE19820560A1 Filter material of woven glass fibers |
| 11/10/1999 | EP0955087A1 Gas adsorption sheet and air-purifying filter |
| 11/10/1999 | EP0955078A1 Filter for fluids having differentiated filtration regions |
| 11/10/1999 | EP0954399A1 Multi-channel structures and processes for making such structures |
| 11/10/1999 | CN2347960Y Device for treatment of sewage |
| 11/09/1999 | US5981294 Filter compromising agglutinin immobolized on particles trapped in solid support matrix; for separating red blood cells from a whole blood sample; for accurate and timely screening of blood sample contents |
| 11/09/1999 | US5980986 Phase separation apparatus |
| 11/09/1999 | US5980745 Wire mesh filter |
| 11/09/1999 | US5980743 Filter means with fabric insert |
| 11/09/1999 | US5980616 Filter media for preventing carbon migration |
| 11/09/1999 | US5979669 Blood filter unit |
| 11/09/1999 | US5979030 Synthetic filter media and method for manufacturing same |
| 11/09/1999 | CA2176944C Centrifugal separator in pressure vessel |
| 11/09/1999 | CA2117672C Filter medium for metal hot melt and treatment process for metal hot melt |
| 11/04/1999 | WO1999055443A1 Mechanical separator for stack effluents and related method for making same |
| 11/04/1999 | WO1999055422A1 Respirator filter having a pleated filter layer |
| 11/04/1999 | DE19819676A1 Ceramic filter element used as filter or filter membrane support |
| 11/04/1999 | DE19817593A1 Non-woven filtration web of organic polymer bonded quartz fiber suitable for apparatus for continuous monitoring of flowing gas e.g. for atmosphere testing |
| 11/04/1999 | CA2295170A1 Respirator filter having a pleated filter layer |
| 11/03/1999 | EP0953361A1 Fitration bag and filtration bag set |