| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 03/16/1999 | CA2068432C Production of particulate solid bearing low density air permeable sheet materials |
| 03/16/1999 | CA2006239C Method of filtration and filter to carry it out |
| 03/11/1999 | WO1999011582A1 Porous ceramic structures and methods of making porous ceramic structures |
| 03/11/1999 | WO1999011355A1 Pleated filter material and cartridge filters made therefrom |
| 03/11/1999 | WO1999011304A1 Leukocyte-removing filter material |
| 03/11/1999 | DE19834916A1 Filter paper for water purification |
| 03/10/1999 | EP0900922A2 Particulate trap for diesel engine |
| 03/10/1999 | EP0900123A1 Particle-loaded membranes as oxidant scavengers |
| 03/10/1999 | EP0874786B1 Purified natural glass product |
| 03/10/1999 | EP0714463B1 Method of charging electret filter media |
| 03/10/1999 | EP0664842B1 Meltblown fabric |
| 03/10/1999 | CN2309876Y High-strength composite filter paper |
| 03/10/1999 | CN1210026A Special oil filtering paper board |
| 03/09/1999 | US5881353 Method for producing porous bodies |
| 03/09/1999 | US5879527 Filter for an electrochemical measuring cell |
| 03/04/1999 | WO1999010635A1 Gas exhaust system |
| 03/04/1999 | WO1999010634A1 Gas exhaust system |
| 03/04/1999 | WO1999010295A1 Pervious channel-crossed porous body |
| 03/04/1999 | WO1999010077A1 Composite pleated fibrous structures containing split film fibers |
| 03/04/1999 | WO1998056836A3 Electrets |
| 03/04/1999 | DE19839576A1 Air filter |
| 03/04/1999 | DE19737954A1 Cylindrical filter |
| 03/03/1999 | EP0899003A1 Ceramic filter module |
| 03/03/1999 | EP0898997A1 Composite of pleated filter media consisting of split film fibers and nonwoven webs |
| 03/03/1999 | EP0834004B1 Self supporting hot gas filter assembly |
| 03/03/1999 | CN2309333Y Sterilizing and purifying water supply device |
| 03/03/1999 | CN1209758A System for filtering medical and biological fluid suspension |
| 03/02/1999 | US5877225 A solvent which dissolves the filter fibers is added to the mixture and a mixture which is thus formed is first dried and then given an additional heat treatment. radioactive wastes |
| 03/02/1999 | US5877099 Filter matrix |
| 03/02/1999 | US5876537 Method of making a continuous ceramic fiber composite hot gas filter |
| 03/02/1999 | US5876489 Germ-removing filter and apparatus for maintaining sterile room under sterile condition |
| 02/25/1999 | WO1999009250A1 Sheet material and process for producing the same |
| 02/25/1999 | WO1999008771A2 Filter element, in particular for filtering liquids |
| 02/25/1999 | DE19814585A1 Exhaust system closely coupling catalyst to engine |
| 02/25/1999 | DE19814584A1 Exhaust gas system with catalyst, for motor vehicles |
| 02/25/1999 | DE19735993A1 Long-life filter element for e.g. hot oil, fuel and water |
| 02/25/1999 | DE19735205A1 Spectroscopic determination of soot in the environment |
| 02/24/1999 | CN1209178A High efficiency breathing mask fabrics |
| 02/24/1999 | CN1209086A Method for forming dendritic metal particles |
| 02/24/1999 | CN1209079A Composite filtration media |
| 02/24/1999 | CN1208666A Dust filtration bag |
| 02/24/1999 | CN1208665A Microporous enamelled Chinese medicinal stone filtering element and method for mfg. same |
| 02/23/1999 | US5874000 Fibre-coated filter element |
| 02/23/1999 | US5873968 Self-supporting laminate with electret lofty spun-bonded web and electret microfiber web |
| 02/23/1999 | US5873918 Metallic fiber mat welded together to form hollow cylinder disposed tightly around electroconductive lattice support structure |
| 02/16/1999 | US5871845 Electret fibers having improved charge stability, process for the production thereof and textile material containing these electret fibers. |
| 02/16/1999 | US5871836 Insulation, filters |
| 02/16/1999 | US5871569 Open-pore polyurethane foam support body having sorptive particles bonded to the surface of the open pores of the foam support body. |
| 02/16/1999 | US5871567 Dual Media air filter with electrostatic charge |
| 02/16/1999 | US5871557 Mist collector cartridge |
| 02/12/1999 | WO1999061134A1 Air cleaning filter, process for preparing the same, and high-level cleaner |
| 02/11/1999 | WO1999006248A1 Gas generator and its filter |
| 02/10/1999 | EP0896100A1 Absorbing net |
| 02/10/1999 | EP0830191A4 Nonwoven, melt blown fluid filtration media with integral co-located support and filtration fibers, filter cartridges employing, and methods and apparatus of making, the same |
| 02/09/1999 | US5869156 Air filter; perfluoroether fluid in the material has a microstructure containing nodes connected by fibrils; chemical resistance, waterproofing and dielectric |
| 02/09/1999 | US5869073 Antimicrobial liquid compositions and methods for using them |
| 02/09/1999 | US5869009 Filter device |
| 02/09/1999 | US5868933 Antimicrobial filter cartridge |
| 02/09/1999 | US5868810 Filtering cartridge |
| 02/09/1999 | US5868807 Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus |
| 02/04/1999 | WO1999005344A1 Method for producing a filter |
| 02/04/1999 | WO1999005341A1 Coating of filters |
| 02/04/1999 | WO1999004884A1 High flow absorbent breather filter |
| 02/04/1999 | CA2297077A1 Method for producing a filter |
| 02/03/1999 | EP0894519A1 Filter with integrated support structure |
| 02/03/1999 | CN2306060Y Filter with honeycomb filter screen |
| 02/02/1999 | US5866006 Coated single particles and their use in fluid bed chromatography |
| 01/28/1999 | WO1999003568A1 Filter assembly |
| 01/28/1999 | WO1999003562A1 Ceramic hot-gas filter and process for manufacturing the same |
| 01/28/1999 | WO1999003561A1 Filtration and flow distribution method for chemical reactors |
| 01/28/1999 | WO1999003560A1 Inline ultra-high efficiency filter |
| 01/28/1999 | WO1999003559A1 Sintered metal fiber for use in the preparation of beverages |
| 01/28/1999 | DE19732077A1 Process to convert raw vegetable matter directly into end-products |
| 01/28/1999 | DE19726379A1 Test adaptor for a number of individual filter modules linked in a single series |
| 01/28/1999 | CA2296400A1 Filter assembly |
| 01/27/1999 | EP0893151A2 Dust filter bag |
| 01/27/1999 | EP0893130A1 Method of filtering blood |
| 01/27/1999 | EP0892887A1 Heat-resistant and regenerable filter body with flow paths |
| 01/27/1999 | EP0892665A1 Method of producing an adsorber filter body |
| 01/27/1999 | EP0778791B1 Fibre-coated filter element |
| 01/27/1999 | EP0687195B1 Multilayer filter material |
| 01/26/1999 | US5864743 Multi-channel structures and processes for making structures using carbon filler |
| 01/26/1999 | US5863311 Alternately arranged, longitudinally extending exhaust gas incoming and outgoing spacings defined between flat filter elements; nondeforming, vibration damping |
| 01/26/1999 | CA2022246C Coffee filter material and coffee filter bag |
| 01/20/1999 | EP0891712A1 Liquid dispenser for sterile solutions |
| 01/20/1999 | EP0891544A1 Method and device for blood separation in a diagnostic device |
| 01/20/1999 | EP0891218A1 Soot filter |
| 01/20/1999 | EP0880391A4 Filter and method of manufacture |
| 01/20/1999 | CN1041700C Method for prodn. of improved particle barrier nonwoven material |
| 01/19/1999 | US5861128 Made from a solution of a polymer and a fragrant material, which is applied to an air permeable substrate |
| 01/19/1999 | US5860201 Multiple width fiber strip and method and apparatus for its production |
| 01/19/1999 | CA2146945C Pyrotechnic inflator for an air bag |
| 01/19/1999 | CA2039509C Heat-resistant metal monolith and manufacturing method therefor |
| 01/14/1999 | WO1999001201A1 Air-cleaning filtre, method of producing the same, and high-level cleaning device |
| 01/13/1999 | EP0889930A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0889929A1 Granular-type modified polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0889928A1 Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom |
| 01/13/1999 | EP0663966B1 Monofilaments with improved weavability and use of the fabrics produced therewith |
| 01/13/1999 | CN1204971A High-precision filter |
| 01/13/1999 | CN1041605C Filtering board for impurity degree |