| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 09/30/1992 | EP0505568A1 Heat-resistant nonwoven fabric and method of manufacturing said fabric |
| 09/29/1992 | WO1992017266A1 High temperature ceramic particulate filter |
| 09/29/1992 | US5151198 Fibers derived from oxidized polyacrylonitrile that have electroconductivity |
| 09/29/1992 | US5151194 Water purification using fibrous peat |
| 09/29/1992 | US5150703 Liquid shield visor for a surgical mask with a bottom notch to reduce glare |
| 09/29/1992 | CA2107213A1 High temperature ceramic particulate filter |
| 09/29/1992 | CA1308037C Chemical filter |
| 09/29/1992 | CA1307952C Porous metal bodies |
| 09/23/1992 | EP0504422A1 Self-heating filter |
| 09/23/1992 | EP0504389A1 Composite gas filtering unit. |
| 09/23/1992 | EP0504214A1 Improvements in the production of particulate solid-bearing low density air-permeable sheet materials. |
| 09/23/1992 | CN1064627A Combined filtration and fixation of heavy metals |
| 09/22/1992 | US5149468 Method for producing filter material formed of melt-blown non-woven mat sandwiching additional material |
| 09/22/1992 | US5149435 Molecular sieve arrangement and filtering method for removal of a selected constituent |
| 09/22/1992 | US5149360 Filtering metal particles from stable suspension to form filter cake, drying, sintering, fusion |
| 09/17/1992 | WO1992015408A1 Specific microsieve, specific composite body |
| 09/17/1992 | WO1992015388A1 Combined filtration and fixation of heavy metals |
| 09/17/1992 | WO1992015382A2 Filtration fabric laminates |
| 09/17/1992 | DE4206812A1 Filter element for diesel engine exhaust - with inclined corrugations for uniform particle sepn. |
| 09/16/1992 | EP0504092A1 Ultra-high efficiency porous metal filter |
| 09/16/1992 | EP0503783A2 Extruded porous structure |
| 09/15/1992 | US5147546 Ceramic foam filter body having a gasket chemically and mechanically bonded thereto |
| 09/15/1992 | US5147430 Air scoop screen |
| 09/15/1992 | CA1307448C Blood separation device under low pressure conditions |
| 09/12/1992 | CA2062449A1 Extruded porous structure |
| 09/08/1992 | US5145806 Aggregate particles, binder |
| 09/08/1992 | US5145494 Adsorption and absorption at point of use |
| 09/08/1992 | CA2037727A1 Removing lps pyrogen from aqueous solution |
| 09/03/1992 | DE4106301A1 Purifying waste gas esp. filtration of carbon@ particles |
| 09/01/1992 | US5143767 Electrically charged synthetic fibers fusion bonded |
| 09/01/1992 | US5143752 Filtering material of apatite and glucan used for surgical masks and method of making it |
| 09/01/1992 | US5143614 Membrane device for filtration, separation, or catalytic reaction |
| 09/01/1992 | US5143524 Vacuum cleaners |
| 08/27/1992 | DE4105958A1 Filter element for sepg. solid particles from fluids - consists of porous tubes fitted together to form flat substrate and provided with fine-pored surface filtration layer |
| 08/27/1992 | DE4105613A1 Composite filter material - uses separate suspensions held apart during water extraction until their edges bond and then all water is drawn out |
| 08/26/1992 | EP0500472A2 Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith |
| 08/26/1992 | EP0305455B1 Ceramic foam filter |
| 08/25/1992 | US5141714 Exhaust gas cleaner |
| 08/25/1992 | US5141643 Filter material formed by fibride particles |
| 08/25/1992 | US5141638 Reusable sintered metal fiber filters with reservoirs for holding backwashing fluid |
| 08/25/1992 | CA1306818C Molten metal filter and method for making same |
| 08/19/1992 | EP0486616A4 Cooking oil filter |
| 08/18/1992 | US5139685 Compressed glass fibers |
| 08/18/1992 | US5139238 Ceramic filters in refractory bodies for cleaning molten metal |
| 08/12/1992 | EP0498672A2 Microfiber-generating fibers and woven or non-woven fabrics produced therefrom |
| 08/12/1992 | EP0498002A1 Self-supporting pleatable and embossable meltblown nonwowen article, process for its manufacture and its use as filter material |
| 08/11/1992 | US5137633 Hydrophobic membrane having hydrophilic and charged surface and process |
| 08/11/1992 | CA1306201C Plastic scrim |
| 08/06/1992 | DE4103350A1 Purifying waste gas esp. filtration of carbon@ particles |
| 08/05/1992 | EP0497594A1 A filtering material and method of producing same |
| 08/05/1992 | EP0496778A1 Active carbon. |
| 08/05/1992 | EP0484462A4 Process for treating a porous substrate to achieve improved water and oil repellency |
| 08/04/1992 | US5136032 Method for separating phosphopolyol compounds using a separating agent |
| 08/04/1992 | US5135719 Blood separation device comprising a filter and a capillary flow pathway exiting the filter |
| 07/30/1992 | DE4200026A1 Biological aquarium-filtration material - comprises spherical pellets of fired loam or clay forming bottom filling |
| 07/30/1992 | DE4102430A1 Porous ceramic or metallic bodies of high, controlled pore content - mfd. by sedimentation of a solid-liquid dispersion, followed by calcination |
| 07/30/1992 | DE4101701A1 Filter fuer werkzeugmaschinen Filters for machine tools |
| 07/29/1992 | CN1063117A Dloxole /tfe copolymer composites |
| 07/28/1992 | US5133878 Filters with quaternary ammonium groups made from unsaturated monomers containing amine or quaternary ammonium groups and a polar nonionic monomer |
| 07/28/1992 | US5133864 Ion exchanger, ethylene-acrylic acid copolymer |
| 07/23/1992 | WO1992011925A1 Impregnating porous inorganic membrane with reactive inorganic binder |
| 07/23/1992 | WO1992011924A1 A smoke filter |
| 07/23/1992 | WO1992011921A1 Back flushable filtration device and method of forming and using same |
| 07/22/1992 | EP0495735A1 Process for manufacturing highly permeable porous tubes from carbon-carbon composite material and their uses |
| 07/21/1992 | US5132080 Production of articles from powdered metals |
| 07/15/1992 | EP0494742A1 Filters |
| 07/14/1992 | US5130196 Polyolefin, monoglyceride, easily processable |
| 07/14/1992 | US5130166 Method for reducing the pore size of sintered metal filters by application of an alcoholic solution of a metal alkoxide which is converted to an insoluble hydrous metal oxide |
| 07/14/1992 | US5130134 Polyimide composite filter fabrics |
| 07/14/1992 | US5129929 Sorbent filtration device |
| 07/14/1992 | US5129923 First layer of microfibrous material and second drainage layer impregnated with low surface energy oil repellent material |
| 07/14/1992 | CA1305052C Apparatus for separation of blood component |
| 07/11/1992 | CA2059175A1 Filter |
| 07/09/1992 | WO1992011405A1 Methods of forming fibrous filtration face masks |
| 07/08/1992 | CN2109113U Dringking water filtering cup |
| 07/01/1992 | EP0493049A1 Process for staged multiple yarn winding and resulting product |
| 07/01/1992 | EP0492219A2 Device for the separation of oil-water-mixtures |
| 07/01/1992 | EP0491997A1 Hollow piece, especially tube piece or cylinder piece |
| 07/01/1992 | EP0491850A1 Device and method for processing blood for human transfusion |
| 06/30/1992 | US5126103 Process for modifying porous material having open cells |
| 06/30/1992 | US5126047 Refractory member in form of hollow, rectangular prism |
| 06/30/1992 | US5125939 Filter container |
| 06/24/1992 | EP0491175A2 Filter for an air conditioning or heating system of a motor vehicle |
| 06/23/1992 | US5124856 Magnetic recording device with unitary filter medium to trap organic and inorganic chemical pollutants |
| 06/23/1992 | US5124177 Filter and method of making same |
| 06/23/1992 | US5124040 Carbonaceous coating for refractory filters of liquid metals |
| 06/22/1992 | WO1992011219A1 Preparation and use of mullite whisker networks |
| 06/22/1992 | CA2097292A1 Preparation and use of mullite whisker networks |
| 06/22/1992 | CA2058026A1 Process for staged multiple yarn winding and resulting product |
| 06/17/1992 | EP0490469A1 Method of reducing pore size of fine wire mesh screen |
| 06/17/1992 | EP0490371A2 Multistage rigid media filter for molten metal |
| 06/17/1992 | EP0334910B1 Soot filter |
| 06/16/1992 | US5122270 Filter cartridge or filter module consisting of flexible deep filter material |
| 06/16/1992 | US5122170 Protective device for maintaining the concentration of sulfur oxides and nitrogen oxides below predetermined level |
| 06/16/1992 | US5122167 Comprising porous filter material which passes gas when dry but swells and closes pores when wet, preventing gas and liquid from flowing through |
| 06/14/1992 | CA2057551A1 Multistage rigid media filter for molten metal |
| 06/10/1992 | EP0489483A1 Process for coating a substrate with tin oxide and uses for coated substrates |
| 06/10/1992 | EP0489403A2 Filter for parenteral systems |
| 06/10/1992 | EP0489218A1 Multipurpose filter |
| 06/10/1992 | EP0489157A1 Flexible tubular filter medium |