Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 39 - Filtering material for liquid or gaseous fluids
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
01/1999
01/12/1999US5858523 High porosity, good pressure resistance and regulated pore size
01/12/1999US5858044 Filter arrangement including removable filter with first and second media secured together
01/12/1999CA2156527C Microemulsion polymerization systems and coated materials made therefrom
01/07/1999WO1999000172A1 Leukapheretic filter medium
01/07/1999EP0888802A2 Porous air filtering and refining material
01/07/1999EP0888782A1 Method and apparatus for the purification of air
01/07/1999EP0888211A1 Highly porous polyvinylidene difluoride membranes
01/07/1999EP0888160A1 Self-sealing liquid filter
01/07/1999EP0719172A4 Post-treatment of laminated nonwoven cellulosic fiber webs
01/07/1999DE19819916A1 Filter material
01/07/1999DE19728523A1 Non-woven fabric prodn. e.g. for use as thermal or acoustic insulation
01/05/1999US5855992 Waterproof multi-layered non-woven fabric of reduced weight having good vapor permeability and method for its production
01/05/1999US5855788 Chemically charged-modified filter for removing particles from a liquid and method thereof
01/05/1999US5855784 High density nonwoven filter media
01/05/1999US5855783 Pleated poly(tetra-fluoro ethylene) filter cartridge
01/05/1999US5855635 Non-blocking filter
01/04/1999CA2241292A1 Process and device for anti-odour treatment of the air
12/1998
12/30/1998EP0887098A2 Gas plasma treated porous medium and method of separation using same
12/30/1998CN1203610A Microporous polytetrafluoroethylene (PTFE) bodies with filler
12/30/1998CN1041390C Porous sintered laminate containing metal fibers and its making method
12/29/1998US5853444 Porous permeable molded body
12/29/1998US5853438 Filter regenerating mechanism for exhaust black smoke removing system
12/23/1998WO1998057726A1 Antimicrobial filter cartridge
12/23/1998EP0885644A1 Virus-removing filter
12/23/1998EP0885321A1 Melt-blown non woven fabric, process for producing same and the uses thereof
12/23/1998EP0885045A1 Pelletized composition for treatment of storm water runoff
12/22/1998US5851649 Inorganic porous sintered body and filter
12/22/1998US5851395 Virus-removing filter
12/22/1998US5851250 Filter element for air cleaner
12/22/1998US5851249 Particulate trap for a diesel engine
12/22/1998CA2117153C Filtration materials
12/17/1998WO1998056836A2 Electrets
12/16/1998EP0883429A1 Coreless non-metallic filter element
12/16/1998CN2300643Y Energy water activation purifying device
12/16/1998CN1041173C Hollow fibre film with characteristic of transmitting of reinforcement and preparation of same
12/16/1998CN1041171C Device and method to separate components in mixture of non-miscible liquids
12/15/1998US5849375 Candle filter
12/15/1998US5849311 Contact-killing non-leaching antimicrobial materials
12/15/1998US5849195 Composite membrane, process of manufacturing it and process of using it
12/15/1998US5849188 Wire mesh filter
12/10/1998DE19724172A1 Purification of engineering oils, removing submicron particles in transverse flow filtration
12/10/1998DE19723469A1 Assay reactor e.g. for synthesis of peptide(s), oligo-nucleotide(s)
12/09/1998EP0882569A1 Multi-layered felt, member formed of same, and method of manufacturing same
12/09/1998EP0881957A1 Method for forming dendritic metal particles
12/09/1998EP0881931A1 Electrostatic fibrous filter web
12/09/1998EP0881889A1 Polyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom
12/09/1998EP0820338A4 Whole blood separation method and devices
12/08/1998US5848351 Porous metallic material having high specific surface area, method of producing the same, porous metallic plate material and electrode for alkaline secondary battery
12/08/1998US5846603 Uniformly tacky filter media
12/08/1998US5846460 Method of preparing silicon nitride porous body
12/08/1998US5846438 Fibrous web for processing a fluid
12/08/1998US5846297 Filter material and process for producing No2 -free gases or liquids
12/08/1998US5846213 Cellulose membrane and method for manufacture thereof
12/08/1998CA2150466C Gas permeable materials
12/03/1998WO1998053899A1 Method of preparing and maintaining a wet filter
12/03/1998WO1998053897A1 High performance filters
12/03/1998WO1998053896A1 Face mask
12/03/1998WO1998053894A1 Non-porous gas permeable membrane
12/03/1998CA2288989A1 High performance filters
12/02/1998EP0880988A1 High-precision filter
12/02/1998EP0880393A1 Charge-modified nonwoven filter
12/02/1998EP0880391A1 Filter and method of manufacture
12/02/1998EP0772484A4 Fibrous web and process of preparing same
12/02/1998EP0712327B1 Air filter and method of construction
12/01/1998US5843390 Method of using a catalytic filter
12/01/1998US5843304 Filtration and treatment system
11/1998
11/26/1998WO1998053147A1 Leaching field construction
11/26/1998WO1998052674A1 Filter for compressed air
11/26/1998WO1998052457A1 Reuseable universal vacuum cleaner bag
11/25/1998EP0869835A4 Leukocyte filtration method and apparatus
11/25/1998EP0808414B1 Exhaust gas purification device for internal combustion engines
11/25/1998EP0639484B1 Filter cloth for air bag
11/24/1998US5840775 Contacting with a fluid which penetrates and swells but does not dissolve or eliminate viscoelastic memory; cooling; removing absorbed fluid
11/24/1998US5840415 Metallic material
11/24/1998US5840378 Endless fabric for condensing paper material and method of making thereof
11/24/1998US5840245 Fiberglass contains an inorganic antimicrobial agent such as silver nitrate or copper sulfate
11/24/1998US5840235 Melt kneading with a hydrocarbon plasticizer, forming a high viscosity blends, forming a fabric sheet, solvent extraction to remove plasticizer, stretching the film, heating
11/24/1998US5839449 Low CO cigarette
11/19/1998WO1998051628A1 Water filtration device and related filter cartridge
11/19/1998WO1998051396A1 Heat-sealable filter material with biodegradable polymers
11/19/1998DE19752862A1 10.000 mal wiederverwendbarer Staubsaugerbeutel-universal 10,000 times reusable vacuum cleaner bag-universal
11/19/1998DE19719807A1 Heißsiegelfähiges Filtermaterial mit biologisch abbaubaren Polymeren The heat-sealable filter material with biodegradable polymers
11/19/1998CA2289739A1 Heat-sealable filter material with biodegradable polymers
11/18/1998EP0878292A1 Polymeric integral net
11/18/1998EP0878226A1 Polymeric fiber and glass fiber composite filter media
11/18/1998EP0877648A1 System for filtering medical and biological fluids
11/18/1998EP0750615B1 Method for the separation of impurities from a hot synthesis gas mixture in the preparation of melamine
11/17/1998US5837140 Blood filter and extracorporeal circuit
11/17/1998US5837018 Oil mist separating element
11/16/1998CA2237536A1 Water filtration device and related filter cartridge
11/16/1998CA2236705A1 Polymeric integral net
11/16/1998CA2232752A1 Self-supporting pleated filter composite
11/12/1998WO1998050597A1 Porous medium and method of preparing same
11/11/1998EP0876551A1 A fuel filter and production process
11/11/1998EP0876198A1 Method and device for removing iron from aqueous liquids
11/11/1998EP0876188A1 Coextruded blocks and applications therefor
11/11/1998CN1198685A Advanced particulate media for precise separation of particles suspended in fluids
11/11/1998CN1198357A Ceramic filtering board for separating solid from liquid and preparing process
11/10/1998US5834528 Polytetrafluoroethylene porous composite film
11/10/1998US5834107 Formed from casting polymer solutions or dispersions; isotropic; highly asymmetric; microfiltration
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