Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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05/05/1987 | US4663222 Non-woven fabric, and oil water separating filter and oil-water separating method |
05/05/1987 | US4663041 Fluoropolymer |
05/05/1987 | US4662911 Efficient honeycomb filter; cellular ceramic prefilter |
04/28/1987 | US4661255 Coarse and fine filter layer of natural and synthetic fibers |
04/28/1987 | US4661132 Themally formed gradient density filter |
04/28/1987 | CA1221080A1 Fibrous media containing millimicron-sized particulates |
04/23/1987 | DE3537976C1 Filter device for soot particle filtration |
04/22/1987 | EP0219383A1 Use of sinterable powders of silicon carbide having a particular grain size distribution for producing porous ceramic filter elements, and ceramics thus obtained |
04/22/1987 | EP0218777A2 Process for the continuous thermoforming of double tubular fabrics and device for its realization |
04/21/1987 | US4658755 Method for filtration of coatings |
04/16/1987 | DE3518562A1 Air filter for living rooms |
04/09/1987 | WO1987002069A1 Filtration of aluminium-lithium alloys |
04/08/1987 | EP0217482A1 Filter element |
04/07/1987 | US4656073 Bristle collapse during weaving |
04/07/1987 | US4655939 Non-swelling, non-plugging |
04/07/1987 | US4655797 Fine screen and fine screen stack, their use and process for the manufacture of fine screens |
04/07/1987 | CA1220016A1 Scrubber apparatus for purifying foul air produced during an embalming, an autopsy or the like |
04/01/1987 | EP0216730A2 Porous spherical glass filtrating beads and method for the manufacturing thereof |
04/01/1987 | EP0216729A1 Filter plug for cleaning exhaust gases from diesel engines |
04/01/1987 | CN85107129A Filter of carbon/carbon compound material |
03/31/1987 | US4654228 Thermophoresis deposition, control pore size |
03/31/1987 | CA1219816A1 Filtration element, and its manufacture |
03/31/1987 | CA1219736A1 Method of producing permeable, porous molded bodies of silicon carbide |
03/31/1987 | CA1219712A1 Method of producing porous carbon bodies of high permeability |
03/26/1987 | WO1987001655A1 Composite having improved transverse structural integrity and flexibility for use in high temperature environnments and method of making the same |
03/26/1987 | WO1987001610A1 Filter body and process for its manufacture |
03/25/1987 | EP0215346A2 Porous polymer fibers |
03/25/1987 | EP0215191A1 Panel air filter |
03/24/1987 | US4652379 Filtering impurities from liquid using mineral wool fiber material |
03/24/1987 | US4652376 Method for disposing emulsifiable oil-containing waste water |
03/24/1987 | US4652286 Exhaust gas filter |
03/24/1987 | US4652282 Electretized material for a dust filter |
03/24/1987 | CA1219441A1 Porous ceramic filter body and a method to fabricate such a body |
03/19/1987 | DE3531937A1 Filter material for separating off pollutants in safety cabins, motor vehicle cabins etc. |
03/18/1987 | EP0214374A1 Thermally formed filter |
03/17/1987 | US4650506 Fiber containing filters |
03/17/1987 | CA1219223A1 Filter |
03/11/1987 | EP0213902A2 Improvements in the manufacture of microsieves and the resulting microsieves |
03/10/1987 | CA1218940A1 Filter and a process for the preparation thereof |
03/04/1987 | EP0212466A2 Method for forming filter element and forming apparatus therefor |
03/04/1987 | EP0212230A2 Process for the production of porous objects |
03/04/1987 | EP0212082A1 Thermally formed gradient density filter |
03/04/1987 | CN86105813A Thermally formed filter |
03/04/1987 | CN86105330A Improvements in the mfr. of microsieves and the resulting microsieves |
03/03/1987 | US4647415 Method of producing a filter pad |
02/25/1987 | EP0211233A1 Exhaust gas cleaning catalyst and process for production thereof |
02/24/1987 | US4645605 Filtration with biogenetic silica |
02/24/1987 | US4645597 Filter medium and method of manufacturing the same |
02/24/1987 | US4645567 Depositing cationically and anionically modified silica colloid |
02/17/1987 | US4643749 Ceramic filters |
02/17/1987 | US4643182 Nonwoven glass fibers, polystyrene, pet, polyvinyl alcohol and gas adsorbent |
02/11/1987 | CN86105545A Thermally formed gradient density filter |
02/11/1987 | CN86105517A Pancl air filter |
02/03/1987 | US4640778 Nondeforming; uniform pore size |
01/28/1987 | EP0209789A2 Method of separating pollutants from water-solvent mixtures |
01/27/1987 | US4639318 Tubular filter primarily intended for filtration of liquids |
01/20/1987 | US4637876 Disc shaped filter element |
01/20/1987 | CA1216836A1 Filter paper |
01/14/1987 | EP0208629A1 Process for manufacturing an inorganic membrane support for separation techniques |
01/14/1987 | EP0208515A2 Filter process and filters therefor |
01/14/1987 | EP0208450A2 Beer filtration |
01/14/1987 | EP0208218A2 Coagulation-neutral, hydrophilic glass fibres |
01/14/1987 | EP0208043A1 Method of producing a strip-formed filter for use in drainage |
01/13/1987 | US4636429 Polypropylene web treated with polypropylene glycol |
01/13/1987 | US4636231 Panel air filter |
01/08/1987 | DE3523597A1 Process and apparatus for removing solids from liquids |
01/08/1987 | DE3523068A1 Process for producing a filter having pores of a predetermined and roughly equal microsize |
01/08/1987 | DE3522725A1 Process for producing a filter having pores of a predetermined and roughly equal microsize and a filter produced by this method |
01/07/1987 | EP0207668A1 Ceramic spheroids having low density and high crush resistance |
01/07/1987 | EP0207588A1 Filter paper and method of producing same |
01/02/1987 | DE3522287A1 Open-pored body for filtering and/or catalytic treatment of gases or liquids and process for the production thereof |
01/02/1987 | DE3521880A1 Dust collector shield |
12/30/1986 | US4632876 Mineral core with aluminum or magnesium oxide shell |
12/30/1986 | US4632683 Pore size distribution; blowing agent and additional pore forming agent |
12/30/1986 | EP0207070A2 Process for regenerating a cooking liquor from a waste magnesium bisulphite cooking liquor, and filter apparatus for carrying out the process |
12/30/1986 | EP0206250A1 Ceramic structure |
12/30/1986 | CA1215913A1 Absorption material for filter arrangement |
12/23/1986 | US4631077 Foam plastic air filter |
12/16/1986 | US4629483 Ceramic filter with plural layers of different porosity |
12/16/1986 | US4629474 Thermally formed filter |
12/09/1986 | US4627863 Web of resilient material on cylindrical core |
12/02/1986 | US4626359 Filter |
12/02/1986 | US4626263 Blend of polar and nonpolar polymer with siland modified nonpolar polymer |
12/02/1986 | CA1214731A1 Filter |
11/26/1986 | EP0202617A2 A porous filter media |
11/26/1986 | EP0175769A4 Polyethylene molding composition and process. |
11/18/1986 | US4623560 Method of making water removing filter media |
11/18/1986 | US4623462 Oil filters using water-based latex binders |
11/18/1986 | US4623438 High speed continuous processing |
11/05/1986 | CN85203872U Combined sintering micropososity filter pipe |
11/04/1986 | US4620932 Impregnated matrix with copolymer of alkyl (meth)acrylate and acrylic acid, polyethylenimine and epoxy resin |
10/29/1986 | EP0199528A2 Filter |
10/29/1986 | EP0199150A1 Non-woven activated carbon fabric |
10/28/1986 | US4619948 Composite active filter material |
10/28/1986 | US4619805 Molding carbon powder and binder, crushing, molding, and coking in vacuum |
10/22/1986 | EP0198289A2 Method for manufacturing plastic sieve elements |
10/22/1986 | EP0198270A2 Treatment process of strongly acid ion exchange catalysts |
10/21/1986 | US4618388 Water removing filter media and method of making the same |
10/15/1986 | EP0197692A1 Air filter |
10/14/1986 | US4617128 Particulate filter aid, filter bed and process |