| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 06/01/1988 | EP0269240A1 Blood separation device under low pressure conditions |
| 06/01/1988 | EP0268853A1 Filter against microorganisms and inorganic fine particles |
| 06/01/1988 | EP0268847A1 Filter, especially a coffee filter, and method of making the same |
| 05/31/1988 | US4747955 Purification of liquids with treated polyester fibers |
| 05/31/1988 | US4747945 Lightweight media depth filter |
| 05/24/1988 | US4746341 Gravity sedimentation, degassing |
| 05/19/1988 | DE3711294A1 Filter apparatus |
| 05/19/1988 | DE3637981A1 Process and apparatus for producing highly porous shaped parts |
| 05/19/1988 | DE3637428A1 Filter |
| 05/18/1988 | EP0267286A1 Filter medium for selectively removing leucocytes |
| 05/18/1988 | EP0142518B1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 05/17/1988 | US4745096 Adsorbers filters |
| 05/11/1988 | EP0267092A1 Glass fibre paper |
| 05/11/1988 | EP0266608A2 Process for making open pored sintered glass having a large open pore volume, which is particularly suitable as a filter for liquids and gases at high flow rates |
| 05/10/1988 | US4743511 Graded refractory cermet article |
| 05/10/1988 | US4743496 Screens and method of making the same |
| 05/05/1988 | WO1988003049A1 Filter device with liquid-wetted filter elements |
| 05/05/1988 | DE3637168C1 Full filter pipe for drainage purposes |
| 05/04/1988 | EP0265762A1 Fibrillated fibers and articles made therefrom |
| 05/04/1988 | EP0265620A2 Process for producing microprobe bodies for measuring pore sizes in ultra and microfilters, and probe bodies produced in this way |
| 05/03/1988 | US4741803 Spray dryer and operating method therefor |
| 04/27/1988 | EP0265389A2 Liquid lubricant filter with a paper filter element for internal combustion engines, provided with magnetised particles dispersed in the paper |
| 04/27/1988 | EP0173696A4 Pleated filter and method and apparatus for fabricating same. |
| 04/27/1988 | CN86108141A Production of fibrous filter core |
| 04/26/1988 | US4740409 Nonwoven fabric and method of manufacture |
| 04/26/1988 | US4740303 Metal filter foil |
| 04/21/1988 | WO1988002657A1 Molded panel filter |
| 04/20/1988 | EP0264040A2 Application of a material produced by a powder metallurgy process for the production of exhaust gaskets |
| 04/14/1988 | DE3633406A1 Verfahren zur herstellung geformter teile aus keramischen materialien und keramisch-metallischen verbundmaterialien Process for the manufacture of molded parts made of ceramic materials and ceramic-metal composite materials |
| 04/13/1988 | EP0263468A1 Ceramic filter membrane and process for the preparation thereof |
| 04/13/1988 | CN87100037A Foaming ceramic filter for nonferrous alloy and its sintering method |
| 04/13/1988 | CN87100034A Ceramic filter for molten steel and its rapid sintering technique |
| 04/13/1988 | CN86207125U Filler of dense hole core |
| 04/12/1988 | US4737326 Slurrying fibers and particles, adding flocculant molding, dewatering, drying and sintering |
| 04/07/1988 | WO1988002414A1 Polyphenylene sulfone fiber and process for its production |
| 04/07/1988 | WO1988002355A1 Process for manufacturing cermets, and composites manufactured according to this process, and the use thereof |
| 04/07/1988 | WO1988002264A1 Blood component separator |
| 04/06/1988 | EP0262596A2 Oil filter |
| 04/06/1988 | EP0262418A2 Porous filter element and method of manufacturing same |
| 04/06/1988 | CN87202160U New type noise-lowering and dust-filtering element |
| 04/06/1988 | CN87105371A Method and filter material for the deposit filtration of beverages |
| 03/31/1988 | DE3727380A1 Process for separating off ammonium nitrate/ammonium sulphate particles |
| 03/30/1988 | CN87211919U Combined all-plastics filter cartridge with double layers for engine oil |
| 03/29/1988 | US4734439 Foam-containing polyurethane(urea) compositions and process for the preparation thereof |
| 03/29/1988 | US4734208 Charge-modified microfiber filter sheets |
| 03/29/1988 | CA1234463A1 Web of bicomponent blown fibers |
| 03/23/1988 | CN87211872U Double face compound glass fibre filter paper |
| 03/22/1988 | US4732594 Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process |
| 03/22/1988 | US4732593 Sintered ceramic filter structure having body compressively stressed by sintered ceramic material having different sintering shrinkage ratio |
| 03/17/1988 | DE3729567A1 Batteriescheider-material The battery separator-material |
| 03/16/1988 | CN87106034A Ceramic foam filter 23 |
| 03/16/1988 | CN87105639A Forming method and equipment of the filtering elements |
| 03/15/1988 | US4731281 Coating filaments prior to weaving prevents sticking |
| 03/15/1988 | US4731260 Hydrophobic filter material and method |
| 03/15/1988 | US4731135 Webs formed of bonded fibers; hot pressing |
| 03/10/1988 | WO1988001532A1 Ceramic filter for filtering molten metal |
| 03/09/1988 | EP0258547A2 Refractory fiber spatial structure and manufacturing method thereof |
| 03/09/1988 | EP0258426A1 Process for producing an additive for lubricants and for aqueous heating agents and fuels. |
| 03/09/1988 | CN86107829B Plastic anti-acid fog device |
| 03/08/1988 | US4729871 Flexibility |
| 03/08/1988 | US4729371 Respirator comprised of blown bicomponent fibers |
| 03/03/1988 | DE3628948A1 Process for the manufacture of filter elements (filter bodies) |
| 03/02/1988 | EP0257794A1 Filter element |
| 03/01/1988 | US4728426 Filter pack |
| 03/01/1988 | US4728422 For use in vibratory sifting machine |
| 03/01/1988 | US4728349 Polypropylene and glass fiber layers |
| 02/24/1988 | EP0256772A1 Method of and apparatus for forming filter element |
| 02/24/1988 | EP0256105A1 Filter, in particular for a paint recycling installation |
| 02/23/1988 | US4726978 Charcoal fabric needled to supporting fabrics |
| 02/23/1988 | US4726901 Cylindrical fibrous structures with graded pore size |
| 02/18/1988 | DE3627886A1 Filter for a drainpipe |
| 02/16/1988 | USRE32603 Firing a ceramic slurry with a gelled alumina hydrate binder |
| 02/16/1988 | US4725390 Mixing raw material, silicon carbide, and binder then firing |
| 02/11/1988 | WO1988000933A1 Method for fabricating moulds made of porous silicone nitride for pressure casting |
| 02/11/1988 | DE3729371A1 Colloidal emulsion for producing foam building materials |
| 02/10/1988 | EP0255696A2 Process and filter material for precoating filtration of beverages |
| 02/09/1988 | US4724078 Porous material and tubular filter made of said material |
| 02/04/1988 | DE3628187C1 Filter material for separating off particles and process for producing the same |
| 02/03/1988 | CN87200258U Antistatic filter of precipitator |
| 01/27/1988 | EP0254557A2 A porous structure and a process for production thereof |
| 01/27/1988 | EP0254103A1 Inorganic, especially metallic microfiltration membrane, and process for its manufacture |
| 01/26/1988 | US4721567 Ceramic pouring filter with tortuous flow paths |
| 01/25/1988 | EP0236479A4 Composite having improved transverse structural integrity and flexibility for use in high temperature environments and method of making the same. |
| 01/14/1988 | WO1988000063A1 Blood component separator |
| 01/12/1988 | US4719058 Filling porous support with suspension of ceramic particles, firing |
| 01/12/1988 | US4719013 Ceramic foam filter |
| 01/12/1988 | US4718884 Method and apparatus for forming a filter element |
| 01/12/1988 | CA1231318A1 Method for manufacturing microporous membrane |
| 01/07/1988 | EP0251634A2 Molten metal filter medium and method for making same |
| 01/07/1988 | EP0250895A2 Method and instrument for the preparation of a filter with several pleats |
| 01/07/1988 | EP0250801A1 Convoluted panel filter cartridge |
| 12/29/1987 | US4716074 Polytetrafluoroethylene fibers in cured fluoropolymer binder |
| 12/23/1987 | EP0249921A2 Drainage mat with high resistance to pressure and ground of deposition by this mat |
| 12/22/1987 | US4714647 Polypropylene fibers for depth filters |
| 12/17/1987 | WO1987007657A1 Textile yarn for producing a filter layer with an activated carbon base and use of said yarn |
| 12/17/1987 | DE3718284A1 Filter mat for flue gas detoxification |
| 12/17/1987 | DE3716476C1 Process and apparatus for the production of a filter mat |
| 12/16/1987 | EP0249327A2 Filter Assembly |
| 12/15/1987 | US4713338 Hydrolysis, then condensation of alkoxide of silicon and zirconium |
| 12/15/1987 | US4713300 Graded refractory cermet article |