Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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02/06/1979 | CA1047717A1 Method for the production of porous carbon sheet |
01/23/1979 | US4136221 Suede-like raised woven fabric and process for the preparation thereof |
01/23/1979 | US4135894 Air filtration apparatus and method of operation thereof |
01/16/1979 | CA1046451A1 Chromatography solid support |
01/16/1979 | CA1046433A1 Porous polytetrafluoroethylene tubings and process of producing them |
01/16/1979 | CA1046432A1 Packing and separator medium |
01/09/1979 | US4133657 Apparatus for purification of gasses |
01/02/1979 | US4132650 Fused fiber blood filter |
01/02/1979 | CA1045565A1 Filter tube and method of making same |
12/26/1978 | CA1045050A1 Multilayer paper sheet filter cartridges |
12/26/1978 | CA1044927A1 Method of making filtering metal material |
12/19/1978 | US4130487 Filters for liquids or gases |
12/19/1978 | CA1044615A1 Low pressure drop filter medium |
12/19/1978 | CA1044537A1 Filter medium and process |
12/12/1978 | US4129430 Filter assembly |
12/12/1978 | CA1044156A1 Filter of bed of 50-1000 micron, impermeable carbon-coated particles |
11/28/1978 | US4127696 Multi-core composite filaments and process for producing same |
11/28/1978 | CA1043137A1 Helically seamed tubing with apparatus and method for making same |
11/21/1978 | US4126560 For removing contaminants from molten polymers |
11/21/1978 | US4126499 Method of manufacture of a rigid, perforated cloth |
11/21/1978 | CA1042816A1 Fibrous blood filter |
11/07/1978 | US4124360 Coalescing demister |
10/24/1978 | US4122136 Terpolymer with styrene and vinyl acetate |
10/24/1978 | US4122015 Wire nets, fusion |
10/24/1978 | US4122011 Packing |
10/24/1978 | US4122008 Filtration process for separating particles from liquid coolants in lens grinding devices |
10/24/1978 | CA1041021A1 Media for filtering blood |
10/24/1978 | CA1040938A1 Method of processing porous metal filters |
10/19/1978 | WO1978000001A1 Low temperature synthesis of vitreous bodies and their intermediates |
10/17/1978 | US4120671 Liquid flow from the core out, draining |
10/10/1978 | US4119543 Oil filter, cellulsoe web impregnated with a resin |
10/03/1978 | US4118531 Web of blended microfibers and crimped bulking fibers |
10/03/1978 | US4117578 Poly(m-phenylene isophthalamide) |
09/26/1978 | US4116738 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products |
09/19/1978 | US4114794 Method of autogenously bonding filter assemblies |
09/19/1978 | CA1038778A1 Demister assembly for removing liquids from gases |
09/19/1978 | CA1038571A1 Attenuating melt-extruded filaments with converging non-symmetrical gas streams |
09/12/1978 | US4113535 High temperature filter fabrics |
09/12/1978 | CA1038135A1 Shaped and fired fibers of tio2 |
09/05/1978 | US4112159 Continuous production of tubular modular filter elements using nonwoven webs from thermoplastic fibers and products |
09/05/1978 | US4112037 Thermoplastic |
09/05/1978 | US4111815 Filter elements for gas or liquid and methods of making such elements |
08/22/1978 | CA1036843A1 Particulate metal filter-medium for polymer melts |
08/08/1978 | US4105561 Directional filter |
08/08/1978 | US4105548 Separation device of rigid porous inorganic hollow filament and use thereof |
08/01/1978 | US4104394 Polytetrafluoroethylene |
08/01/1978 | US4104170 Liquid filter having improved extended polypropylene element |
08/01/1978 | US4104077 Shape-retaining inorganic binder, interconnected open cells |
07/25/1978 | US4103054 Suede-like raised woven fabric and process for preparation thereof |
07/25/1978 | US4102785 Inside-to-outside flow filter tube and method of using same |
07/25/1978 | US4102736 Method of manufacturing an inside-to-outside flow filter tube |
07/11/1978 | US4100323 Scrimless filter felt |
07/11/1978 | US4100009 Method of and apparatus for producing hollow-cylindrically shaped fibrous articles |
07/11/1978 | US4099943 Composite fluid filtering medium and method of making |
06/27/1978 | US4097383 Process for production of microporous sheet |
06/20/1978 | US4096099 Porous synthetic resin film |
06/06/1978 | US4093437 Polyesters, rayon, lamination, mechanical strength |
05/30/1978 | US4092250 Water-permeable thin films of synthetic pulp or fiber containing oxygen, nitrogen or sulfur polar groups |
05/16/1978 | US4089783 Filter |
05/09/1978 | US4088576 Method of manufacture of tubular inertial filter |
05/09/1978 | US4088431 Melt spinning filter |
05/02/1978 | US4086706 Feeding and treating system |
04/25/1978 | US4086070 Fiber bed separator and method for separation of aerosols from gases without re-entrainment |
04/18/1978 | US4084949 Surgical face mask filtering medium |
04/04/1978 | US4082893 Artifical internal organs, filters |
04/04/1978 | US4082661 Impregnation of porous ceramic filter with phenolic resin followed by carbonization |
03/28/1978 | US4081501 Process for producing odor absorbent and adsorbent air filter media |
03/28/1978 | US4081371 Filtering of molten metal |
03/14/1978 | US4078965 Composite coalescing filter tube and method of manufacture thereof |
03/07/1978 | US4078112 Coating modification process for ultrafiltration systems |
02/28/1978 | US4076627 Mesh weave filter |
02/28/1978 | US4076619 Hydrophilic acrylic polymers as marine filters, algae growth catalysts, and breeding stimulus for fish and invertebrates |
02/28/1978 | CA1027297A1 High carbon spheroid body and method of manufacture |
02/21/1978 | US4075303 Method of preparation of ceramic foam |
02/21/1978 | US4075108 Polycarbonate membranes and production thereof |
02/21/1978 | US4075092 High surface area permeable material |
02/14/1978 | US4073732 Media for filtering blood |
02/07/1978 | US4072616 Filter cartridge |
02/07/1978 | US4071937 Filter cartridge with folded filter sheath |
01/31/1978 | US4071636 Silver halide precipitate on sheet of partially acetalled polyvinyl alcohol |
01/31/1978 | US4071455 Filter element and method of making the same |
01/31/1978 | US4071037 Preparation and method of use of enzyme effective for conversion and detection of carbon monoxide |
01/24/1978 | USRE29524 Porous laminate and method of manufacture |
01/24/1978 | US4070519 Glass and mineral fibers impregnated with resin |
01/24/1978 | US4070300 Pourable solid filter material, particularly for the removal of unpleasant odors from the air, and a process for its manufacture |
01/24/1978 | US4070257 Electrolytic process using novel diaphragm |
01/17/1978 | US4069026 Filter made of electrostatically spun fibres |
12/27/1977 | US4065341 Method of making a liquid filter |
12/20/1977 | US4064071 Mixing with aqueous alkali metal silicates, drying |
12/20/1977 | US4064053 Strainer improvement |
12/13/1977 | US4062368 Tobacco-smoke filters |
11/15/1977 | US4058459 Liquid filter apparatus |
11/15/1977 | US4058456 External supported filter |
11/01/1977 | US4056586 Method of preparing molten metal filter |
11/01/1977 | US4056476 Blood filter media |
10/11/1977 | US4053662 Used for separating uranium hexafluoride isotopes |
10/11/1977 | US4053420 Blood filter |
10/11/1977 | US4053290 Fiber bed separator |
10/04/1977 | US4052316 Composite coalescing filter tube |
10/04/1977 | US4052198 Method for in-line degassing and filtration of molten metal |