| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 07/27/1994 | EP0607998A2 Chromatographic adsorbent particles, methods of their preparation, and their use as a solid phase matrix in a fluid bed reactor |
| 07/27/1994 | EP0607983A2 Bacteria supporting medium, especially useful for pretreatment of waste water |
| 07/27/1994 | EP0607809A1 Multi-layer composite screen |
| 07/27/1994 | EP0607185A1 Particle-loaded nonwoven fibrous article for separations and purifications |
| 07/27/1994 | EP0412079B1 Filtering medium for technical filters |
| 07/27/1994 | CN2172670Y Multi-functional oil filter |
| 07/21/1994 | WO1994016134A1 Flexible nonwoven mat |
| 07/21/1994 | DE4301396A1 Porous fibre component mfr. |
| 07/20/1994 | EP0606646A1 Filtermaterial, apparatus and method for removing leukocytes |
| 07/20/1994 | CN1089548A Porous sintered laminate containing metal fibers |
| 07/20/1994 | CN1089546A Improved particle barrier nonwoven material |
| 07/19/1994 | US5331037 Extruded solid composite articles and compositions for producing same |
| 07/13/1994 | EP0606071A1 Particulate trap |
| 07/13/1994 | EP0605853A1 Diesel particulate filter element and filter |
| 07/12/1994 | US5328758 Particle-loaded nonwoven fibrous article for separations and purifications |
| 07/07/1994 | WO1994014608A1 Porous sintered laminate containing metal fibers |
| 07/07/1994 | DE4344805A1 Active particle filter |
| 07/07/1994 | CA2151477A1 Porous sintered laminate containing metal fibers |
| 07/06/1994 | EP0604737A1 Improved particle barrier nonwoven material |
| 07/06/1994 | EP0604590A1 Gas plasma treated porous medium and method of separation using same |
| 07/05/1994 | US5326629 Olefin polymers with side groups as fibers or filaments in filters |
| 07/05/1994 | US5326512 Porous ceramic filter and preparation thereof |
| 07/05/1994 | CA1330540C Use of scent, specifically in vacuuming |
| 07/01/1994 | CA2096985A1 Particle barrier nonwoven material |
| 06/29/1994 | EP0604227A1 Improvements relating to filters |
| 06/29/1994 | EP0603392A1 Particulate trap for purifying diesel engine exhaust gas |
| 06/29/1994 | CN2170143Y Composite air filtering layer |
| 06/28/1994 | US5324579 Static dissipative nonwoven textile material |
| 06/23/1994 | WO1994013385A1 Gas permeable materials |
| 06/23/1994 | WO1994007613A3 Method for synthesizing solids such as diamond and products produced thereby |
| 06/23/1994 | EP0640002A4 Air filter. |
| 06/23/1994 | DE4242491A1 Micro:filter with ceramic carrier and oxidic filter medium |
| 06/22/1994 | CN1088152A Porous polytetrafluoroethylene and preparation |
| 06/21/1994 | US5322657 Method of forming and shaping metallic material |
| 06/21/1994 | US5322629 Method and apparatus for treating storm water |
| 06/21/1994 | US5322537 Exhaust gas filter and method for making the same |
| 06/21/1994 | US5322060 Flexible, porous material impregnated with solution of ammonium biborate, ammonium sulfate, ammonium phosphate, SDS and water |
| 06/16/1994 | DE4307394C1 Polyester monofilament with increased hydrolytic stability - obtd. by extruding and stretching from a mixt contg. poly-(1,4-cyclohexane:di:methylene terephthalate) copolymer, fluoro-polymer and antioxidant |
| 06/16/1994 | DE4241605A1 High air permeability filter system - has coarsely porous absorption section followed by finely porous absorption section. |
| 06/15/1994 | EP0601733A1 A filter assembly having a filter element and a sealing device |
| 06/15/1994 | EP0601278A1 Spinning centrifuge |
| 06/15/1994 | EP0357693B1 Molecular sieve arrangement |
| 06/15/1994 | CN2168863Y Purifier for softening rural well water and removing iron and manganese |
| 06/14/1994 | US5320905 Films, powders, binders, ion exchange materials and sintered structure |
| 06/14/1994 | US5320891 Particle barrier nonwoven material |
| 06/14/1994 | US5320866 Method of wet coating a ceramic substrate with a liquid suspension of metallic particles and binder applying similar dry metallic particles onto the wet surface, then drying and heat treating the article |
| 06/12/1994 | CA2109536A1 Filter assembly having a filter element and a sealing device |
| 06/09/1994 | WO1994012262A1 Triboelectric filtration material |
| 06/09/1994 | CA2145650A1 Triboelectric filtration material |
| 06/08/1994 | EP0556189B1 Anti-static fuel filter |
| 06/07/1994 | US5318831 Needle felt layer laminated to nonwoven fabric sheet made of ultrafine fibers |
| 06/01/1994 | EP0599791A2 A method of manufacturing a membrane filter |
| 06/01/1994 | EP0599336A1 Filter |
| 06/01/1994 | EP0598908A1 Filter and filter element |
| 06/01/1994 | DE4239664A1 Filter assembly for metal particles - resists aggressive fluids and permits easy cleaning by back flush |
| 06/01/1994 | CN2166875Y 液态过滤材料 Liquid filter material |
| 06/01/1994 | CN1087393A Meltblown fabric |
| 06/01/1994 | CN1087286A Expendable macromolecular filtering purifying film |
| 06/01/1994 | CN1024761C Producing method of high temp. foamed ceramic filter plate |
| 05/31/1994 | US5316916 High-density lipoprotein solid-base assay device |
| 05/31/1994 | US5316674 Filter to separarte red blood cells and platelets |
| 05/26/1994 | WO1994011556A1 Fibrous structure containing immobilized particulate matter and process therefor |
| 05/26/1994 | WO1994011095A1 High flux hollow fiber membrane |
| 05/26/1994 | WO1994011088A1 Filtration medium |
| 05/26/1994 | WO1994011082A1 Pleated filter assembly, and the method and apparatus for making |
| 05/26/1994 | DE4239520A1 High-performance filter with high thermal and chemical stability - has adsorber particles bonded to a three-dimensional porous support coated with a thermally stable, hydrolysis-resistant plastic |
| 05/25/1994 | EP0598690A2 High-flux hollow-fiber membrane with enhanced transport capability and process for making same |
| 05/25/1994 | CN2165915Y Filter paper boards |
| 05/18/1994 | EP0597237A2 Process for computer controlled frontal alternating closure of channels of a honeycomb body monolith for exhaust gas purifiers of combustion engines |
| 05/17/1994 | US5312467 Air filter assembly |
| 05/17/1994 | CA1329559C Leukocyte separator and method of making the same |
| 05/11/1994 | WO1994009884A1 Window air filter assembly |
| 05/11/1994 | WO1994009880A1 Filter element and method for the manufacture thereof |
| 05/11/1994 | EP0596492A1 A process for preparing a ceramic porous body |
| 05/11/1994 | EP0596441A2 Purification of very slightly contaminated air within a clean room |
| 05/11/1994 | EP0595899A1 Blood filter and method of filtration. |
| 05/11/1994 | DE4337374A1 Removal of sludge from molten salt quenching bath liq. - with a sludge receptacle provided with ceramic honeycomb filters |
| 05/11/1994 | DE4335599A1 Appts. for removal of pollutants from water in drainage pipes |
| 05/11/1994 | CN2164409Y Magnetization, purifying, mineralization device |
| 05/11/1994 | CN2164408Y Multi-function domestic water purifier |
| 05/10/1994 | US5310548 Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas |
| 05/04/1994 | EP0594700A1 Method and device for producing composite laps and composites thereby obtained. |
| 05/04/1994 | EP0476061B1 Air bag and laminates therefor and processes for making the laminates |
| 05/04/1994 | CN1086260A Filter aid for clearing beer |
| 05/03/1994 | US5308559 Method for manufacturing an air filter |
| 05/03/1994 | US5308533 Aerogel mesh getter |
| 05/03/1994 | US5308508 High capacity filter media, method of use in filtration and method of formation |
| 05/03/1994 | US5308494 Method for improving filter efficiency |
| 05/03/1994 | US5308370 Filter device for filtering a gas flow |
| 05/03/1994 | US5307796 Methods of forming fibrous filtration face masks |
| 04/28/1994 | WO1994009200A1 Meltblown fabric |
| 04/28/1994 | WO1994008779A1 Method for electrostatic charging of film |
| 04/28/1994 | CA2147176A1 Meltblown fabric |
| 04/27/1994 | EP0594123A1 Nonwoven fabric in an electret state and process for its production |
| 04/27/1994 | EP0594007A1 Composite microporous membranes |
| 04/27/1994 | EP0593814A1 Filter medium for liquid filtration |
| 04/27/1994 | EP0593767A1 Cell strainer. |
| 04/27/1994 | EP0593515A1 Article for separations and purifications and method of controlling porosity therein |
| 04/27/1994 | EP0523081B1 Process and installation for purifying waste water |
| 04/26/1994 | US5306534 Vacuum cleaner bag with electrostatically charged meltblown layer |