| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 04/28/1999 | EP0910454A1 Particle filter in the form of a pleated nonwoven layer |
| 04/28/1999 | EP0775089B1 Fluid treatment apparatus |
| 04/27/1999 | US5897951 Monofilaments of polymeric material and asphaltic material |
| 04/27/1999 | US5897817 Process for making a medical device from a cellulose acetate hollow fiber semipermeable membrane |
| 04/27/1999 | US5897782 Using active carbon fibers |
| 04/27/1999 | CA2028177C Filtration media with low protein adsorbability |
| 04/22/1999 | WO1999019523A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream |
| 04/22/1999 | WO1999019131A1 Method and apparatus for in-line splitting of plural-component fibers and formation of nonwoven fabrics |
| 04/22/1999 | WO1999019044A1 Method and apparatus for separating droplets or particles from a gas stream |
| 04/22/1999 | DE19745950A1 Drug carrier particle for site specific drug delivery, especially to CNS |
| 04/21/1999 | EP0841977B1 Composite fibrous filters |
| 04/21/1999 | EP0690881B1 Process for the preparation of coated articles and the use thereof |
| 04/21/1999 | CN1214273A Multilayer soft-paper filter element for engine oil filter |
| 04/20/1999 | US5895575 Whole blood and platelet leukocyte filtration apparatus |
| 04/20/1999 | CA2135042C Process for the preparation of diatomaceous filtration agents having a very low cristobalite content, by agglomeration with silicated or silicic binders, and corresponding filtration agents |
| 04/15/1999 | WO1999019259A1 Weathered hermatypic coral material |
| 04/15/1999 | WO1999018282A1 Improved industrial fabrics |
| 04/15/1999 | WO1999017861A1 Optimized wax for sealing the edge of a filter sheet |
| 04/15/1999 | CA2305719A1 Improved industrial fabrics |
| 04/15/1999 | CA2305519A1 Optimized wax for sealing the edge of a filter sheet |
| 04/14/1999 | EP0907621A1 Open-cell expanded ceramic with a high level of strength, and process for the production thereof |
| 04/14/1999 | EP0907506A1 Fibrous structures with fine particles |
| 04/14/1999 | EP0907398A1 Liquid and gas purification and filtration |
| 04/14/1999 | EP0843651A4 Filtration medium |
| 04/14/1999 | CN2313658Y Folding filtering paper of high performance air purifier |
| 04/13/1999 | US5893974 Inorganic porous shell provoding a selective molecular barrier between interior and exterior |
| 04/13/1999 | US5893956 Coreless, fabric strips, spirally winding and bonding, self-supporting |
| 04/08/1999 | WO1999016961A1 Resin-treated mercerized fibers and products thereof |
| 04/08/1999 | WO1999016945A1 Electret fibers and filter webs having a low level of extractable hydrocarbons |
| 04/08/1999 | WO1999016603A1 Porous membrane comprising ceramic and containing plastic as binder |
| 04/08/1999 | WO1999016534A1 Filter material construction and method |
| 04/08/1999 | WO1999016533A1 Method of making electret articles and filters with increased oily mist resistance |
| 04/08/1999 | WO1999016532A1 Oily mist resistant electret articles and filters |
| 04/08/1999 | WO1999016530A1 Microstructured filter |
| 04/08/1999 | WO1999016528A1 Regenerable filter for liquids, in particular food liquids |
| 04/08/1999 | CA2304284A1 Method of making electret articles and filters with increased oily mist resistance |
| 04/08/1999 | CA2303858A1 Porous membrane comprising ceramic and containing plastic as binder |
| 04/08/1999 | CA2303236A1 Electret fibers and filter webs having a low level of extractable hydrocarbons |
| 04/08/1999 | CA2303004A1 Oily mist resistant electret articles and filters |
| 04/07/1999 | EP0836672B1 Filter element |
| 04/07/1999 | EP0729375B1 Nonwoven filter media |
| 04/07/1999 | CN2312751Y Efficient combined adsorption filtering plate |
| 04/07/1999 | CN1213339A Highly porous polyvinylidene difluoride membranes |
| 04/07/1999 | CN1212899A High-efficient compound adsorption filter board |
| 04/06/1999 | US5891516 Forming fiber cement articles employed in building materials, i.e. siding, roofing, pipes |
| 04/06/1999 | US5891328 Membrane-frame for processes including electrodialysis |
| 04/06/1999 | US5891315 Filter system for removal of particles from hydrocarbonfluids |
| 04/06/1999 | US5891221 Chemical reagent package and method of operation effective at removing a wide range of odors |
| 04/06/1999 | US5890367 Air conditioning system for semiconductor clean room including a chemical filter downstream of a humidifier |
| 04/06/1999 | CA2108240C Filter for metal hot melt and process for production thereof |
| 04/01/1999 | WO1999015730A1 Foam process web manufacture of filter or other papers from mechanical pulp |
| 04/01/1999 | WO1999015272A1 Catalytically active permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015262A1 Permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015260A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | WO1999015257A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 04/01/1999 | WO1998053147A9 Leaching field construction |
| 04/01/1999 | DE19742572A1 Adsorptive air filter has an element composed of charcoal, zeolite, silica gel or aluminum oxide |
| 04/01/1999 | CA2272318A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | CA2272314A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 03/31/1999 | EP0904834A2 Adsorptive filter body |
| 03/31/1999 | EP0904819A1 Pleats filter |
| 03/31/1999 | EP0684867B1 Blood filter and method of its manufacturing |
| 03/31/1999 | EP0684866B1 Method of estimating the average fiber diameter of different filtration media |
| 03/31/1999 | CN1212745A Fuel filter and production process |
| 03/30/1999 | US5888605 Polysulfone semipermeable membrane and method of manufacturing the same |
| 03/30/1999 | US5888526 Containing metal salt |
| 03/30/1999 | US5888442 Method of manufacturing a filter element |
| 03/30/1999 | US5887442 Refrigeration condenser filter system |
| 03/30/1999 | CA2152228C Process for the production of heat- and corrosion- resistant porous met al body |
| 03/25/1999 | WO1999014431A1 Cellulose filter paper saturant |
| 03/25/1999 | WO1999014078A2 Non-blocking filter |
| 03/25/1999 | DE19756662C1 Band filter purifying passenger compartment air |
| 03/25/1999 | DE19744361A1 Plastic fuel filter |
| 03/25/1999 | DE19741498A1 Ceramic/stainless steel composite material used in the production of e.g. membrane filters |
| 03/24/1999 | EP0903476A1 Exhaust emission control catalyst, exhaust emission control catalyst manufacturing method, exhaust emission control filter, exhaust emission control filter manufacturing method, and exhaust emission control apparatus |
| 03/24/1999 | EP0902851A1 Ferroelectric fibers and applications therefor |
| 03/24/1999 | EP0885045A4 Pelletized composition for treatment of storm water runoff |
| 03/24/1999 | EP0775012B1 Process for manufacturing a filter unit |
| 03/24/1999 | CN2311491Y Continuous mud-removing water purification pot |
| 03/24/1999 | CN1211948A Multi-layered felt, member formed of same, and method of manufacturing same |
| 03/24/1999 | CN1211935A Electrostatic fibrous filter web |
| 03/23/1999 | US5885696 Patterned fibrous web |
| 03/23/1999 | US5885457 Filtration media for filtering leukocytes from freshly drawn blood |
| 03/23/1999 | US5885453 Device for the physicochemical separation of constituents of a fluid |
| 03/23/1999 | US5885392 Method of bonding end caps to pleated filter elements |
| 03/18/1999 | WO1999013150A1 Fabric |
| 03/18/1999 | WO1999012634A1 Moulded filter media comprising a sheet of porous nonwoven material |
| 03/18/1999 | CA2302589A1 Moulded filter media comprising a sheet of porous nonwoven material |
| 03/18/1999 | CA2301905A1 Fabric |
| 03/17/1999 | EP0901404A1 Filtering material and process for the production thereof, and adsorption filter produced from said filtering material |
| 03/17/1999 | EP0836553A4 Composite particulate material and process for preparing same |
| 03/17/1999 | EP0784718B1 Nonwoven filter fibre fabric |
| 03/17/1999 | EP0604590B1 Gas plasma treated porous medium and method of separation using same |
| 03/17/1999 | CN1210832A Method for producing alkaline filtering material and its products |
| 03/17/1999 | CN1042498C Polytetrafluoroethylene porous film and method for making the same |
| 03/16/1999 | US5884138 Method for improving the stiffness of extrudates |
| 03/16/1999 | US5882519 Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters |
| 03/16/1999 | US5882517 Porous structures |
| 03/16/1999 | US5882496 Porous silicon structures with high surface area/specific pore size |
| 03/16/1999 | US5882036 Hybrid inflator with reduced solid emissions |