| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 10/19/1994 | EP0620044A2 Electret filters |
| 10/19/1994 | EP0620017A2 Device and method for depletion of the leukocyte content of blood and blood components |
| 10/19/1994 | EP0619757A1 Catalytic filtration device and method |
| 10/19/1994 | EP0563135B1 Methods of forming fibrous filtration face masks |
| 10/19/1994 | CN2179783Y Filter cloth for filter press |
| 10/13/1994 | WO1994023109A1 Post-treatment of nonwoven webs |
| 10/13/1994 | WO1994022928A1 Microemulsion polymerization systems and coated materials made therefrom |
| 10/13/1994 | WO1994022573A1 Adsorption filter |
| 10/13/1994 | WO1994022556A1 A method for closing a passage in a filter body sample |
| 10/13/1994 | WO1994022555A1 Microfilter plate and process for making it |
| 10/13/1994 | WO1994022554A1 Filter |
| 10/13/1994 | WO1994022553A1 Membrane vent filter cartridge |
| 10/13/1994 | WO1994022552A1 Filtration medium |
| 10/13/1994 | DE4322967C1 Cellulose acetate filter tow, production thereof and use thereof as tobacco smoke filter element |
| 10/13/1994 | CA2159892A1 A method for closing a passage in a filter body sample |
| 10/12/1994 | CN1093381A Super macro-porous network polyurethane and method for prepn. of same |
| 10/11/1994 | US5354362 By impingement, absorption |
| 10/06/1994 | DE4322965C1 Filter tow, manufacture thereof, and use thereof as tobacco smoke filter element |
| 10/05/1994 | EP0617993A1 Microfilter disc and process for its production |
| 10/05/1994 | EP0617745A1 Static dissipative nonwoven textile material |
| 10/05/1994 | EP0537140B1 Method and apparatus for manufacturing multilayer filter material |
| 10/05/1994 | CN1093018A Hollow fibre film with characteristic of transmiting of reinforcement and preparation of same |
| 10/04/1994 | US5352511 Copolymer of fluorinated ethylenically unsaturated monomer and vinyl alcohol reacted with a monoepoxide |
| 10/04/1994 | US5352418 Calcium phosphate particles adhered to sheet shaped raw material with water insoluble glucan binder |
| 10/04/1994 | US5352274 Air filter and method |
| 10/04/1994 | CA1332215C Membrane filter and fabrication process thereof |
| 09/29/1994 | WO1994021846A1 Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same |
| 09/29/1994 | WO1994021494A1 Filter fabric for airbags |
| 09/29/1994 | WO1994021462A1 Method for bonding a porous medium to a substrate |
| 09/29/1994 | WO1994021354A1 Method for improving filter efficiency |
| 09/29/1994 | WO1994021351A1 Active filters for integrated cleanup of gas streams |
| 09/29/1994 | DE4309921A1 Process and apparatus for the production of filters and filters produced by this means |
| 09/29/1994 | DE4244511A1 Filter device for purifying waste gases |
| 09/29/1994 | CA2158943A1 Method for bonding a porous medium to a substrate |
| 09/28/1994 | EP0617194A2 A well screen |
| 09/28/1994 | EP0616832A2 Filter material |
| 09/28/1994 | EP0616831A1 Oily mist resistant electret filter media |
| 09/28/1994 | EP0616639A1 Device and process for isolating and purifying nucleic acids |
| 09/28/1994 | EP0553255B1 Filtration arrangement and method |
| 09/28/1994 | EP0504214B1 Improvements in the production of particulate solid-bearing low density air-permeable sheet materials |
| 09/27/1994 | US5350620 Filtration media comprising non-charged meltblown fibers and electrically charged staple fibers |
| 09/27/1994 | US5350443 Filter sheet material for passenger cabins in motor vehicles |
| 09/23/1994 | CA2119520A1 Sintered spherical plastic bead prepack screen aggregate |
| 09/22/1994 | DE4309017A1 Dedusting apparatus for use in concrete preparation units |
| 09/21/1994 | EP0616004A1 Porous polytetrafluoroethylene and production process |
| 09/21/1994 | EP0615779A1 Oleophobic modified microporous polymers |
| 09/21/1994 | EP0615519A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 09/21/1994 | EP0595899A4 Blood filter and method of filtration |
| 09/21/1994 | CN2177515Y Gasoline filtering core assembly |
| 09/21/1994 | CN1092484A Nonwoven fabric in an electret state and process for its production |
| 09/21/1994 | CN1092335A Multi-layer composite screen |
| 09/20/1994 | US5348755 Extension of edible oil lifetime using activated carbons |
| 09/20/1994 | US5348657 Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
| 09/15/1994 | WO1994020193A1 Gas purification system |
| 09/15/1994 | DE4316017C1 Filter belt and process for the production thereof |
| 09/14/1994 | EP0615007A1 Electret fibers with improved charge stabilisation, process for their production and textile material containing these electret fibers |
| 09/14/1994 | EP0614620A2 Extruded filtration materials |
| 09/14/1994 | EP0604590A4 Gas plasma treated porous medium and method of separation using same. |
| 09/13/1994 | US5346252 Inflator and method of assembly |
| 09/13/1994 | CA1331955C Filtering device for blood platelet |
| 09/13/1994 | CA1331937C Thermite coatings |
| 09/08/1994 | DE4403359A1 Filter having glass microbeads |
| 09/08/1994 | DE4313328C1 Process for working a plastic semi-finished product furnished with microrecesses |
| 09/07/1994 | EP0613394A1 Conical coalescing filter |
| 09/06/1994 | US5344561 Adsorption and filtration filter |
| 09/04/1994 | WO1994020334A1 Filter cloth for air bag |
| 09/01/1994 | WO1994019578A1 Well screen apparatus |
| 09/01/1994 | WO1994019085A1 Filter for fluids |
| 08/31/1994 | EP0612551A2 Improved fiber beds for fiber bed mist eliminators |
| 08/31/1994 | EP0612550A1 A filter material in particular for the filtration of blood |
| 08/31/1994 | EP0612482A1 Filter for smoking article comprising a water disintegrative paper |
| 08/31/1994 | EP0612265A1 Filter bag for hot gases. |
| 08/31/1994 | CN2175639Y Solid/liquid separation high permeability filter tube |
| 08/30/1994 | US5342434 Coating from reaction of perfluoroalkyl alcohol with a diisocyanate |
| 08/30/1994 | US5342423 Air filter for an HVAC system and method of manufacturing same |
| 08/25/1994 | DE4410242A1 Ceramic bonding and encapsulation of expanded clay |
| 08/25/1994 | DE4305547A1 Knitted-wire hose and process and apparatus for producing it |
| 08/24/1994 | EP0611876A1 Oil separator for crankcase gases from an internal combustion engine |
| 08/24/1994 | EP0611790A2 Polytetrafluoroethylene porous film and preparation and use thereof |
| 08/24/1994 | CN1091052A 过滤器 Filter |
| 08/23/1994 | US5340479 Depth filter cartridge and method and apparatus for making same |
| 08/23/1994 | US5339895 Sintered spherical plastic bead prepack screen aggregate |
| 08/20/1994 | CA2115954A1 Oil separator for the gases of the crankcase of an internal-combustion engine |
| 08/18/1994 | WO1994018142A1 Filtering plant, method and filter for purifying aqueous effluents |
| 08/18/1994 | WO1994017897A1 Air filter and method of producing the same |
| 08/18/1994 | WO1994017896A1 An apparatus for the separation of solids from flowing liquid |
| 08/18/1994 | WO1994017894A1 Leukocyte removal method and filter unit for same |
| 08/18/1994 | DE4404290A1 Built-in filter for pipe strings |
| 08/17/1994 | CN2174233Y Net type multi-function disposable hygiene dustproof gauzemask |
| 08/17/1994 | CN1025653C Device and method for the depletion of the leukocyte content of blood and blood components |
| 08/16/1994 | US5338340 Filter and method of making same |
| 08/16/1994 | US5338253 Filter for an air-conditioning or heating system for a motor vehicle |
| 08/09/1994 | US5336556 Heat resistant nonwoven fabric and process for producing same |
| 08/09/1994 | US5336286 High efficiency air filtration media |
| 08/04/1994 | WO1994017012A1 Porous ceramic and porous ceramic composite structure |
| 08/04/1994 | WO1994016802A1 Polytetrafluoroethylene porous film and method for manufacturing the same |
| 08/03/1994 | EP0608441A1 High speed upward flow filtration apparatus |
| 08/03/1994 | CN1090356A Closed ciculation method for water used in producing paper by regenerated pulp |
| 08/02/1994 | US5334451 Continuous filament yarn precoat septum |
| 07/28/1994 | DE4400755A1 Filter unit and appts. for removal salt bath sludge |