B01D 39 - Filtering material for liquid or gaseous fluids

Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
12/1997
12/31/1997	CN2271402Y Pressure filter press cloth
12/30/1997	US5702616 Uniform porosity
12/30/1997	US5702603 Self-sealing liquid filter
12/30/1997	US5702516 Filtration of air
12/30/1997	US5702494 Airbag filter assembly and method of assembly thereof
12/30/1997	US5702237 In tank fuel pump filter
12/29/1997	EP0813623A2 Polyarylene sulfide melt blowing methods and products
12/29/1997	EP0669993B1 Process for making a fibrous structure containing immobilized particulate matter
12/29/1997	EP0662858B1 Sieve
12/24/1997	WO1997048472A1 Filter cloth, filter method and filtering device for liquid filtration
12/24/1997	CN1168692A Improved filter aid for use in alluviation
12/23/1997	US5700973 Gas inflator having aluminum bead filter
12/23/1997	US5700375 Particle loaded membranes as oxidant scavengers
12/18/1997	WO1997047370A1 Microfabricated filter and method of making same
12/18/1997	DE19625121A1 Fluid flow cleaner used to adsorb matter in an exhaust
12/17/1997	EP0812838A1 Pyridonecarboxylic acid derivative substituted by bicyclic amino group, ester thereof, salt thereof, and bicyclic amine as intermediate therefor
12/17/1997	EP0812610A2 Fluid filter element and method of manufacture
12/17/1997	EP0695383A4 Post-treatment of nonwoven webs
12/17/1997	EP0655937A4 Depth filter cartridge and method and apparatus for making same.
12/16/1997	US5698299 Thin laminated microstructure with precisely aligned openings
12/16/1997	US5698166 Air permeable substrate having solid fragrance permeating into interstices for connecting to air filter of forced air ventilation system
12/10/1997	EP0811412A1 Filter medium for leukocyte removal
12/10/1997	EP0607185B1 Particle-loaded nonwoven fibrous article for separations and purifications
12/10/1997	CN1167449A Nonparticulating adsorbent recirculating filter
12/10/1997	CN1167002A Fluid filter element made of mixed-fibre and making method thereof
12/10/1997	CN1036669C Multiple width fiber strip and method and apparatus for its production
12/10/1997	CN1036636C Polyethylene-glass fibre porous sintered pipes and their production
12/09/1997	US5696199 Pressure-sensitive adhesive polyacrylate polymer and method of making
12/09/1997	US5696042 Formed of at least three components including coarse component of silicon nitride, fine component and additive
12/09/1997	US5695871 Reduction of openness of material
12/09/1997	US5695814 Forming particles containing chlorite anions, spraying hydrophobic material containing acid-releasing agent onto fluidized bed of particles to form powder having hydrophobic core with surface layer of chlorite particles
12/09/1997	US5695700 Method of preparing a ceramic porous body
12/09/1997	US5695640 Hydrophobic substrate coated on at least one external surface and on the internal surface with a polyamide
12/09/1997	US5695638 Liquid filter
12/09/1997	CA2014297C Filtering cartridge, obtained by wet process, for the filtration of gases, particularly hot and/or radio-active and/or corrosive gases
12/04/1997	WO1997045381A1 Open-cell expanded ceramic with a high level of strength, and process for the production thereof
12/04/1997	WO1997045188A1 Filter cloth and filter
12/04/1997	DE19621638A1 Offenzellige Schaumkeramik mit hoher Festigkeit und Verfahren zu deren Herstellung Open-cell expanded ceramic with high strength and method for producing them
12/04/1997	CA2256586A1 Open-cell expanded ceramic with a high level of strength, and process for the production thereof
12/04/1997	CA2228126A1 Filter cloth and filter
12/03/1997	EP0810351A1 Endothermal engine provided with a device for purifying the blow-by gases of the block
12/03/1997	EP0810021A1 Layered filter media
12/03/1997	EP0810020A2 Edge filter with wound wire
12/03/1997	EP0809658A1 Porous rubber materials
12/03/1997	EP0809529A1 Filter material for preparing a beverage
12/03/1997	CN1166305A Low CO cigarette
12/02/1997	US5693298 Adsorption of salts and catalyst poisoning compounds onto flame arresting metal filter screen coated with bound alumina or zeolite, then catalytic oxidation of volatile organic smoke contaminants
11/1997
11/27/1997	WO1997044509A1 Ferroelectric fibers and applications therefor
11/26/1997	EP0808649A1 Triangular cell metal filters
11/26/1997	EP0808648A1 Porous polytetrafluoroethylene membrane, process for producing the same and its use as air filter material
11/26/1997	EP0808414A1 Exhaust gas purification device for internal combustion engines
11/26/1997	EP0808208A1 Method of forming a fibrous filter element
11/26/1997	EP0808207A1 High temperature, chemical resistant laminate for filtration systems
11/26/1997	CN1166141A V. G. Karachevtsev, V. P. Dubyaga, N. V. Amelina et al. (RU)
11/25/1997	US5691211 Method for gettering noble metals from mineral acid solution
11/25/1997	US5690873 Heat treatment
11/25/1997	US5690836 Filtering hydrogenation reaction product to remove raney nickel
11/25/1997	US5690825 For water
11/25/1997	US5690823 Fluids
11/25/1997	US5689969 Air conditioner condenser filtering system
11/20/1997	WO1997043471A1 A process for producing meltblown polyolefin fibres for mechanical filtration
11/20/1997	WO1997043470A1 A process for producing meltblown polyolefin fibres for mechanical filtration
11/20/1997	WO1997043028A1 Liquid and gas purification and filtration
11/20/1997	DE19619957A1 Pipes for drinking water treatment, drainage wells, irrigation or water=wheels comprising quartz sand and poly:urethane binder
11/20/1997	CA2254808A1 Liquid and gas purification and filtration
11/19/1997	EP0806979A1 Gradient density filter
11/19/1997	CN2267854Y high-temp. resistant filtering bag of dust collector
11/18/1997	US5688347 Process for making a ceramic hot gas filter
11/13/1997	WO1997041942A1 Filter material
11/13/1997	WO1997041941A1 Filtering material and process for the production thereof, and adsorption filter produced from said filtering material
11/13/1997	DE19618758A1 Single or multi-layer washable filter medium, especially for air
11/13/1997	DE19618413A1 Oil mist removal element for use in combustion engines
11/13/1997	DE19617755A1 Filter material
11/12/1997	CN1164596A Process for manufacturing filter medium, medium manufactured thereby, and filters using said medium
11/11/1997	US5686050 Method and apparatus for the electrostatic charging of a web or film
11/06/1997	WO1997040925A1 Particle-loaded membranes as oxidant scavengers
11/06/1997	WO1997040913A1 Synthetic filter media and method for manufacturing same
11/06/1997	WO1997040906A1 Pour-through and pitcher mounted water filter
11/06/1997	DE19617754A1 Air cleaning filter for removing pollutants and odours from air
11/06/1997	DE19617753A1 Filter material for air conditioners, vacuum cleaners etc.
11/06/1997	CA2253203A1 Pour-through and pitcher mounted water filter
11/05/1997	EP0804966A1 Electrostatic filter with fast cleaning process without loss of confinement
11/05/1997	EP0804961A1 Porous fluorocarbon membrane, method of producing it and a cartridge filter based on it
11/05/1997	EP0804310A1 Process for the production of porous membranes
11/05/1997	EP0804270A1 Material for filtering viscous liquids
11/05/1997	EP0804269A1 Conductive filter laminate
11/05/1997	EP0804262A1 Respirator and filter cartridge
11/05/1997	EP0646151B1 Surface modified porous expanded polytetrafluoroethylene and process for making
11/05/1997	CN2266452Y Adsorption filtering plate
11/04/1997	US5683777 Multiple width fiber strip and method and apparatus for its production
11/04/1997	US5683355 For containing blood
11/04/1997	US5682740 Coating layer of barium-containing mixed oxide having nox-reducing capability
10/1997
10/30/1997	WO1997039835A1 High performance, permeable fibrous structure
10/30/1997	WO1997039820A1 Multi-membrane filter
10/30/1997	WO1997039817A1 Spunbond vacuum cleaner webs
10/30/1997	CA2249317A1 Spunbond vacuum cleaner webs
10/29/1997	EP0803601A1 High performance, permeable fibrous structure
10/29/1997	EP0803276A2 Mist collector cartridge
10/29/1997	EP0803275A1 Air filter
10/29/1997	EP0715536B1 Filter media having an undulated surface

1 ... 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 ... 249