Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
08/2003
08/14/2003US20030150820 Permeable support covered with a first layer based on activated carbon, then a separate second layer based on a photocatalytic agent, or vice versa.
08/14/2003US20030150802 Composite biosorbent for treatment of waste aqueous system(s) containing heavy metals
08/14/2003US20030150793 Comprises a number of layers of a first type which are formed from a porous non-woven material; at least one layer has been pressed by calendering prior to the stacking thereof and is on the downstream side of the stack
08/14/2003US20030150199 Filter element
08/14/2003DE20023273U1 Composite filter for e.g. vacuum cleaner bag, comprises several non-prebonded tiers, each comprising filtration material, with tiers bonded together to form unitary stratified structure having boundary surfaces
08/13/2003EP1335117A1 Exhaust emission control device and method of controlling exhaust emission
08/13/2003EP1333907A1 Electrical contact system
08/13/2003EP1333906A1 Use of polymers as filtering aids and/or stabilizers
08/13/2003CN2565804Y Device for making fiber ball filtering material
08/13/2003CN2565520Y High efficient air purifier filtering net
08/13/2003CN2565519Y Filling fibre ball for filter
08/13/2003CN1435382A Filtering material for deep treatment of sewage
08/13/2003CN1117600C Filter medium and air filter unit using same
08/13/2003CN1117599C Filter material consisting of fibre tow and tow joints
08/12/2003US6604925 Device for forming a filtering material
08/12/2003US6604524 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
08/12/2003CA2182209C Improved method for sealing the edge of a filter medium to a filter assembly and the filter assembly produced thereby
08/07/2003WO2003064330A1 Microporous filter media, filtration systems containing same, and methods of making and using
08/07/2003WO2003064013A1 Microporous filter media, filtration systems containing same, and methods of making and using
08/07/2003WO2003064007A1 Filter for cooking apparatus or utensil
08/07/2003WO2003064006A1 Nanofiber filter media
08/07/2003WO2003064001A1 An improved high efficiency particulate air rated vacuum bag media and an associated method of production
08/07/2003WO2003063996A2 Precoat filtration media and methods of making and using
08/07/2003US20030148680 Filtering screens for vibratory separation equipment
08/07/2003US20030148063 Honeycomb structure
08/07/2003US20030146151 Filtration of magnesium, or alloy thereof; high temperature heat resistance
08/07/2003US20030146150 Blood filtration
08/07/2003US20030146145 Mesoporous permeation layers for use on active electronic matrix devices
08/07/2003US20030145569 Mixture of glass fiber and polyketene; papermaking
08/07/2003US20030145566 Disposable filtration bag
08/06/2003EP1332320A1 Protection against pollen in the form of woven or knitted fabric for windows and doors
08/06/2003EP1331983A1 Combination filter system including flow channel filtration media and an adsorber particle filtration medium
08/06/2003EP1331980A1 Use of a napped, planar textile structure as protection against pollen for windows and doors
08/06/2003EP1331979A1 Treating fabric for manufacturing filter bags
08/06/2003EP1148924B1 Filter forming and joining apparatus
08/06/2003EP0918706B1 Drink-extracting bag equipped with holding element
08/06/2003CN2564224Y Filtering element for filter
08/06/2003CN1434001A Porous cellular structure, use and making method thereof
08/05/2003US6602457 Process of making high dielectric non-woven fabrics
08/05/2003US6602425 Feeding water into a delivery system, driving through a ceramic filter by gravity, and exposing to ultraviolet light downstream
08/05/2003US6602406 Static filter pitcher
08/05/2003US6602397 Method for producing a filter
08/05/2003US6602311 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
08/05/2003US6601710 Filter assembly having a flexible housing
08/05/2003CA2124628C Filter tow and method for its manufacture as well as tobacco smoke filter element and method for its manufacture
07/2003
07/31/2003WO2003062611A1 HONEYCOMB STRUCTURE CONTAINING Si AND METHOD FOR MANUFACTURE THEREOF
07/31/2003WO2003062216A1 Epoxidation process
07/31/2003WO2003061973A1 Damping solution circulator and damping solution circulating method
07/31/2003WO2003061972A1 Damping solution circulator and damping solution circulating method
07/31/2003US20030143370 Porous honeycomb structure body, the use thereof and method for manufacturing the same
07/31/2003US20030143130 Method for manufacturing a particulate filter for diesel engines, using a high-performant ceramic foam
07/31/2003US20030141261 For use in separating solids from liquids, in particular, beverages
07/31/2003US20030140794 Acetylated polyvinyl alcohol, starch and polyurethane foam; air pollution control
07/31/2003US20030140785 Microporous filter media, filtration systems containing same, and methods of making and using
07/31/2003US20030140608 Shockproof, heat resistance; air pollution control
07/31/2003US20030140606 High efficiency particulate air rated vacuum bag media and an associated method of production
07/31/2003DE20209923U1 Dust filter bag for vacuum cleaners, comprises a film or mesh layer, a middle layer comprising an air laid material and an outer layer made from a fibre melt
07/31/2003CA2473419A1 Epoxidation process
07/30/2003EP1331030A1 Electrostatic fibrous filter web and method of making same
07/30/2003EP1330567A1 Melt processable perfluoropolymer forms
07/30/2003EP1148926B1 Layered filtering structure
07/30/2003EP0811412B1 Filter medium for leukocyte removal
07/30/2003CN2562842Y Ceramic vacuum filter
07/30/2003CN1433468A Surface modified supporting materials for binding biological materials, method for the production and use thereof
07/30/2003CN1433445A 改良的过滤效率 Improved filtration efficiency
07/30/2003CN1432540A Complex filter and high-purity water producing method and equipment with the complex filter
07/30/2003CN1432423A Fibrous filtering material for water treatment
07/29/2003US6599638 Filter impregnated with selfcrosslinking polymer; eliminating or substantially reducing phenolic resin content; nongelling; storage stable
07/29/2003US6599427 Static filter pitcher
07/29/2003US6598750 Micromachined membrane particle filter using parylene reinforcement
07/29/2003CA2372470A1 Filter element for swimming pool cleaner
07/24/2003WO2003060216A1 Process for producing electret and production apparatus
07/24/2003WO2003059489A1 Filtration mat for water clarification device
07/24/2003WO2002020668A3 Polymer compositions, polymer microfibers, polymer nanofibers and applications including filter structure
07/24/2003US20030139639 Decompositionally treating agent and decompositionally treating method for fluorocarbons
07/24/2003US20030138596 Honeycomb filter and method for manufacturing the same
07/24/2003US20030137071 Method for producing ceramic structure
07/24/2003US20030136728 Carbon fiber filters
07/23/2003EP1297203B1 Polypropylene fibres
07/23/2003EP1171220B1 Multilayer filter element
07/23/2003EP1059990B1 Improved molten metal filtration and distribution device
07/23/2003EP0930926B1 Coalescer element
07/23/2003CN1431924A Filter medium for air filter and method for prodn.
07/23/2003CN1115184C High-molecular filter plate and its prepn. process
07/23/2003CN1115183C Tech for prepn. of stainless steel board filter screen
07/22/2003US6596666 Honeycomb segments do not move due to vibration or exhaust back pressure in use
07/22/2003US6596665 Mullite bodies and methods of forming mullite bodies
07/22/2003US6596205 Arrangement for forming a layered fibrous mat of varied porosity
07/22/2003US6596168 Filter element and method for the manufacture
07/22/2003US6596109 Unitary multi-component filter media
07/22/2003US6596049 Positively charged fibers are nylon and negatively charged fibers are fluorocarbon homopolymers and copolymers or chlorinated fluorocarbon polymers; sheath/core bicomponent fibers
07/22/2003US6595218 Filter containing aminoethylamino/propylsilyl silica gel or aminoethylamino/ethylamino/propylsilyl silica gel which chemically reacts with gaseous component of smoke stream to remove it
07/22/2003US6595217 Smoking articles
07/17/2003WO2003058042A1 Soot trapping filter and soot reducing device thereof
07/17/2003WO2003057356A2 Selective adsorption devices and systems
07/17/2003WO2003057352A1 Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters
07/17/2003WO2003057347A1 One-piece multi-flow filtration and cooling laminate
07/17/2003WO2003057309A2 Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in the blood
07/17/2003WO2003057306A1 Devices, systems, and methods for reducing levels of pro-inflammatory or anti-inflammatory stimulators or mediators in physiologic fluids
07/17/2003WO2003057139A2 Devices for removing cytokines