B01D 39 - Filtering material for liquid or gaseous fluids

Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
11/2002
11/06/2002	EP0988329B1 Electrets
11/06/2002	CN2519802Y Water filter element for far infrared glass pearl
11/06/2002	CN1378609A Method and apparatus for making nonwoven fibrous electret web from free-fiber and polar liquid
11/06/2002	CN1377996A Process for preparing monofilament for tea polyphenol base air filter net
11/05/2002	US6475340 Solid phase extraction membrane
10/2002
10/31/2002	WO2002085814A2 Method of making wall-flow monolith filter
10/31/2002	WO2002085482A2 Method of making wall-flow monolith filter
10/31/2002	WO2002085426A2 Respiratory air filter
10/31/2002	WO2002070107A3 Composite filter and method of making the same
10/31/2002	WO2001003801A8 Filter material used in gas filtration and having biocidal properties
10/31/2002	US20020160683 Filter material with improved infusion characteristics
10/31/2002	US20020160259 Laminated battery separator material
10/31/2002	US20020157361 Particulate filter
10/31/2002	US20020157359 Filter assemblies and systems for intake air for fuel cells
10/31/2002	US20020157358 Substance having preferential reactivity with an ash component over the principal component of the ceramic filter is atlest one substance selected from boron, aluminum, silicon, phosphorus, sulfur, chloride, titanium, zirconium and others
10/31/2002	DE10120223A1 Air filter with an electrostatically active fleece liner useful for dust extraction bags gives improved filtration properties
10/31/2002	DE10117435A1 Verfahren zur Herstellung eines Filterkörpers A process for producing a filter body
10/30/2002	EP1251987A1 Thin porous layer with open porosity and a method for production thereof
10/30/2002	EP1251931A2 Anti-microbial fibrous media
10/30/2002	EP1251930A2 Impregnated filter
10/30/2002	EP1251921A2 Phase separator
10/30/2002	EP1251884A1 Air filtering device
10/30/2002	EP1251883A1 Apparatus and method for deodorizing air
10/30/2002	EP1251882A1 Air deodorization device with a detachable cartridge
10/30/2002	CN1377326A Method and apparatus for multistage liquid filtration
10/30/2002	CN1377297A Apparatus and methods for the production of powders
10/29/2002	US6471876 Glass hollow spheres with such as zinc pyrithione or diiodomethyl p-tolylsulfone bonded to surface; simultaneously filtering and disinfecting water supply without use of energy or chemicals
10/29/2002	US6471868 Method of preparing glass fiber filter
10/29/2002	US6471746 Electrofiltration process
10/29/2002	US6471740 Comprising a frame which contains a filter medium firmly sealed to the frame, where the filter medium and/or the sealing material does not release gaseous organic compounds; noncontamination; use in production of semiconductors
10/29/2002	US6471069 Device for separating components of a fluid sample
10/24/2002	WO2002084099A1 Filter assemblies and systems for intake air for fuel cells
10/24/2002	WO2002083270A1 Passive filtration system
10/24/2002	WO2002083268A1 Metal fiber filter element
10/24/2002	WO2002083267A2 A filtration apparatus
10/24/2002	WO2002083266A2 Filters and filter materials for the removal of microorganisms and processes for using the same
10/24/2002	WO2002083265A2 Devices and methods for chemical reactive filtration
10/24/2002	WO2002060559A3 Filtering mass in filter for fluids with layered arrangement
10/24/2002	WO2001056727A9 Cellular structures and processes for making such structures
10/24/2002	US20020155289 Melt processable perfluoropolymer forms
10/24/2002	US20020153331 Particulate polymers as filter aids
10/24/2002	US20020152892 Fluorinated electret
10/24/2002	EP1171214A4 Filter assembly having a flexible housing and method of making same
10/24/2002	DE10111307A1 Einsatz texturiertem Fadenmaterials in textilen Flächengebilden zum Einsatz als Pollenfilter Use of textured yarn material in textile fabrics for use as a pollen filter
10/24/2002	CA2443892A1 Devices and methods for chemical reactive filtration
10/23/2002	EP1251248A1 Method and arrangement to remove soot particles from the exhaust gas of a diesel engine
10/23/2002	EP1251247A1 Exhaust gas purifying filter
10/23/2002	EP0943724B1 Hydrophilic fibers and cloth-like articles and filters made by using the same
10/23/2002	CN1376087A A method and device for cleaning air in a compressed air system
10/23/2002	CN1376085A 空气过滤器 Air filter
10/23/2002	CN1376084A Laminar structure
10/22/2002	US6468942 Absorptive-filtration media for the capture of waterborne or airborne constituents
10/22/2002	US6468930 Cardable blends of dual glass fibers
10/22/2002	US6468427 Fluid filter for use in extracorporeal blood processing
10/22/2002	US6468374 Method of making silica glass honeycomb structure from silica soot extrusion
10/22/2002	US6468325 Method of making phosphate-based ceramic filters
10/22/2002	US6468320 Filter unit and filter
10/22/2002	US6467630 Continuous particle and molecule separation with an annular flow channel
10/17/2002	WO2002081880A1 Honeycomb structure and its assembly
10/17/2002	WO2002081795A1 Zirconia-containing inorganic fiber and method for production thereof
10/17/2002	WO2002081406A1 Silicon carbide based porous article and method for preparation thereof
10/17/2002	WO2002081058A1 Honeycomb ceramics filter
10/17/2002	WO2002081057A1 Honeycomb structural body and assembly thereof
10/17/2002	WO2002081056A1 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material
10/17/2002	WO2002081055A1 Filter element, method for manufacture thereof, and filter using said element
10/17/2002	WO2002081054A1 Porous filter body and method
10/17/2002	WO2002070434A1 Method for producing ceramic structure
10/17/2002	US20020150686 Forming filters
10/17/2002	US20020148785 Comprising particles coated with activated lignosulfonate
10/17/2002	US20020148776 Borosilicate glass fiber containing mats as filters; efficiency; wet burst strength
10/17/2002	US20020148764 Blood collection systems including an integral, flexible filter
10/17/2002	US20020148209 Process for trapping particulate matter in hot gas and trap therefor
10/17/2002	CA2406967A1 Method for producing ceramic structure
10/16/2002	EP1249262A1 Honeycomb structure
10/16/2002	CN1374880A Chemically active filter material
10/16/2002	CN1374275A Prepn of porous light ceramic grain with natural river sand and its application
10/15/2002	US6465532 Semicrystalline and amorphous polymers, such as thermo-plastics and polyethers, and particles; forming shaped articles such as plug type inserts and liners for closed containers or films, sheets, beads or pellets
10/15/2002	US6464887 Adjuvant for the filtration of liquids and its use for microbial decontamination
10/15/2002	US6464870 Filter assembly having plastic mesh conductive surround
10/15/2002	US6464770 Perlite products with controlled particle size distribution
10/15/2002	US6464761 Air induction filter assembly
10/15/2002	US6464757 Filter material for removing chlorine gas and carbon monoxide from a source for producing breathable gas
10/15/2002	US6464347 Laser ablated filter
10/15/2002	US6464084 Edge seal for filter cartridge
10/15/2002	US6463622 Upright vacuum cleaner with cyclonic airflow
10/15/2002	CA2288579C Method of manufacturing a filtration bag
10/10/2002	WO2002079618A1 Honeycomb structure and assembly thereof
10/10/2002	WO2002079617A1 Honeycomb structure and assembly thereof
10/10/2002	WO2002078816A1 Bowl-cartridge filter having interlock mechanism and methods
10/10/2002	WO2002066142A3 Filter cloth
10/10/2002	US20020146951 Staple fiber for electret non-woven fabric, process for the production of the electret non-woven fabric, and article to which the electret non-woven fabric is applied
10/10/2002	US20020144595 Forming fluorosulfone coating on surface of filtration substrate; filters have high water penetration pressures and high air permeabilities; medical equipment
10/10/2002	US20020144490 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
10/09/2002	EP1247572A1 Process for the preparation of a filter body
10/09/2002	EP1247559A1 Chemical filter
10/09/2002	EP1247557A1 Process for trapping particulate matter in hot gas and trap therefor
10/09/2002	EP1247001A1 Filter for subterranean wells
10/09/2002	EP1246682A1 System and method for liquid filtration based on a neutral filter material
10/09/2002	EP0877648A4 System for filtering medical and biological fluids
10/09/2002	CN1373683A Corrosion-resistant filter element

1 ... 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 ... 249