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)
01/1990
01/23/1990CA1264545A1 Multiple-use molten metal filters
01/23/1990CA1264544A1 Ceramic filter and method for using same
01/18/1990DE3836217C1 Process for producing a material containing clay and fibre
01/17/1990EP0351318A2 Meltblown polymeric dispersions
01/17/1990EP0351056A2 Sintering metal powders into structures without sintering aids
01/16/1990US4894158 Porous filter element with undulations
01/16/1990US4894070 Filtration of fluid media
01/11/1990DE3839576C1 Dry filter for water treatment
01/10/1990EP0350213A1 Paper filter element
01/03/1990EP0348993A2 Composite non-woven fabric material, method of its production and its use
01/03/1990EP0348463A1 Gravel pack for petroleum or water wells
01/02/1990US4891264 Crosslinking
12/1989
12/28/1989DE3923301A1 Plastic-bound prefabricated filtering stone for use in drinking water wells and other units through which flow liquids and gases
12/27/1989EP0347667A2 Zirconyl phosphate ceramics, process for their production and their use
12/26/1989US4889670 Process for manufacturing green and ceramic foam
12/26/1989US4889630 Self-supporting composite
12/26/1989US4889629 Filter panel with parallel passages and mechanical filter screen comprising same
12/20/1989EP0347188A2 A filter arrangement
12/20/1989EP0195022B1 Cooking oil filtering apparatus and filter therefor
12/20/1989CN1038030A Filter for separation of solid from hot gas or liquid
12/19/1989US4888114 Filling pores with sintered metal oxide powder
12/14/1989WO1989012135A1 Coated textile materials
12/14/1989WO1989011904A1 Process and installation for dry separation of noxious substances from flue gases
12/14/1989DE3819002A1 Air filter for passenger cells
12/14/1989DE3818630A1 Verfahren zur trockenabscheidung von schadstoffen aus rauchgasen und anlage zur durchfuehrung des verfahrens Flue gases process for dry deposition of pollutants and system for implementing the method
12/13/1989EP0345491A2 Filter for the separation of solids from heat gaseous or liquid media
12/13/1989EP0345381A2 Liquid filter
12/12/1989US4886527 Multilayer electret filter and process of using same
12/06/1989EP0344961A1 Composite membranes
12/06/1989EP0344284A1 Porous ceramic shapes, compositions for the preparation thereof, and method for producing same.
12/06/1989CN2048778U High-performance filter core
12/05/1989US4885263 Impregnating polymer foam with aqueous slurry of silicon carbide and silica binder
12/05/1989CA1263612A1 Fiber bed separator
11/1989
11/30/1989WO1989011724A1 Electret material and method of producing the same
11/30/1989WO1989011342A1 Porous inorganic membrane with reactive inorganic binder, and method of forming same
11/30/1989WO1989011325A1 Filter and method of making same
11/30/1989DE3905080C1 Ceramic filter for filtering metal melts
11/30/1989DE3804883C1 Process for producing a clay- and fibre-containing material
11/29/1989CN1037498A Ceramic foam and process for forming same
11/28/1989US4883507 Matrix for a drug, filter for gases
11/28/1989CA1263372A1 Process for treating a strongly acidic cation exchange catalyst
11/21/1989US4882232 Porous metal structure and method of manufacturing of said structure
11/21/1989US4882056 Cartridges
11/16/1989WO1989010781A1 Strips of filter material with moulded corrugations and filter bodies made of this material
11/16/1989DE3814832A1 Method for the production of filter membranes
11/15/1989EP0341874A2 Elastomeric filtration materials
11/15/1989EP0341451A1 Filter device for waste gas stream at the gas phase deposition in semiconductor technic
11/14/1989US4880548 Device and method for separating leucocytes from platelet concentrate
11/14/1989US4880541 Hot filter media
11/08/1989EP0341203A2 Ceramic foam and method for its fabrication
11/08/1989EP0341192A1 Filter web with formed crimps and filter body using this material
11/08/1989EP0340542A1 Adsorptionfilter with high air permeability
11/07/1989US4878929 Liquid-gas separator
11/07/1989CA1262711A1 Exhaust silencer casings
11/02/1989WO1989010179A1 Filtering medium for technical filters
11/02/1989EP0339487A2 Active carbon filter layer for gas masks and gas mask containing said active carbon filter layer
11/01/1989CN2046767U Diatomaceous earth multi-hole ceramics filtering element
11/01/1989CN2046766U Filter sieve plate for waste water
10/1989
10/31/1989US4877526 Flexible filter bag and method of fabrication
10/31/1989US4877433 High performance gas filter assembly
10/31/1989CA1262515A1 Method of and apparatus for forming filter element
10/26/1989DE3911894A1 Gas filter
10/26/1989DE3812417A1 Filter apparatus for filtering gaseous media
10/25/1989EP0338479A1 Dust filter bag, production and use
10/25/1989EP0337988A1 Method of manufacturing molded and formed filters.
10/25/1989CN1036515A Oil coalescing filter
10/25/1989CN1036513A Device and method for separating leukocytes from platelet concentrate
10/24/1989US4876008 Sieve plate
10/19/1989WO1989009648A1 A method of filtering particles from flue gas, a flue gas filter means and a vehicle
10/18/1989EP0337285A2 Process for the production of fluid permeable ceramic material
10/17/1989US4874659 Electret fiber sheet and method of producing same
10/17/1989US4874516 A ceramic filter for semi-ultrafiltration
10/17/1989US4874510 Filter for fuel tank
10/17/1989US4874399 Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
10/12/1989DE3810147A1 Fibrous filter materials made into ceramic
10/11/1989EP0336883A1 A method of filtering particles from a flue gas, a flue gas filter means and a vehicle
10/11/1989CN2045669U Sound absorption filter aspirating compound component
10/11/1989CN1036146A Multilayer porous structure, particularly for separation of liquid and solid phases
10/10/1989US4872888 Microporous membrane filter and method of producing same
10/10/1989US4872786 Solid particulate aerosol generator
10/10/1989CA1262220A1 Coagulation-neutral, hydrophilic glass fibres
10/04/1989EP0335571A2 Spiral wrapped fluid treatment element
10/04/1989EP0334910A1 Soot filter
10/04/1989EP0334851A1 Method of manufacturing molded articles.
10/03/1989US4871495 Process for producing porous ceramic filter for filtering of particulates from diesel exhaust gases
09/1989
09/27/1989EP0334639A1 Filter Device
09/27/1989EP0334579A2 Composite fibres and filter elements formed therefrom
09/26/1989US4869855 Method of manufacturing molded articles
09/26/1989US4869738 Continuous trapping of carbon particles from an exhaust gas and regeneration of a rotating convoluted corrugated sheet metal strip
09/26/1989US4869275 Ultra-high filtration filter
09/26/1989CA1261284A1 Light weight filter felt
09/26/1989CA1260909A1 Exhaust gas cleaning catalyst and process for production thereof
09/26/1989CA1260655A1 Porous metal article and method of making
09/26/1989CA1260409A1 Porous material, and tubular filter made from said material
09/26/1989CA1260408A1 Fiber filter and stabilizer formulation
09/21/1989DE3844539C1 Web-form filter material, in particular filter paper for liquid filters or gas filters, having shaped-in beadings
09/21/1989DE3815146C1 Web-shaped filter material, in particular filter paper for liquid filters or gas filters, having moulded beads
09/21/1989DE3807748A1 Mehrschichtige poroese gefuegekonstruktion, insbesondere zur trennung von fluessigen und festen phasen Multilayer porous gefuegekonstruktion, in particular for the separation of liquid and solid phases
09/20/1989EP0332789A1 Filter membrane and process for its preparation
09/13/1989EP0331885A1 Exhaust gas filter
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