| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 08/13/1997 | EP0789101A2 A method of manufacturing a filter material |
| 08/13/1997 | EP0788398A1 Filter material and process for producing no 2-free gases |
| 08/12/1997 | US5656368 Fibrous filtration face mask having corrugated polymeric microfiber filter layer |
| 08/12/1997 | US5656168 Method of fabricating inorganic filter structures |
| 08/12/1997 | US5656166 High collapse pressure porous filter device |
| 08/12/1997 | US5656069 Mixing active carbon powder with polyvinyl alcohol, adding distilled water alone or with ethanol, shaping in mold under pressure, heating at two different temperatures for different times |
| 08/07/1997 | WO1997027927A1 Soot filter |
| 08/07/1997 | WO1997021857A3 Polyarylene sulfide melt blowing methods and products |
| 08/07/1997 | DE19604033A1 Grid-like structures having permeability ratio for e.g. particles or ions |
| 08/06/1997 | EP0787524A1 Device for altering a feed stock and method for making and using same |
| 08/06/1997 | EP0787520A1 Method for manufacturing a submicronic filter cloth, and the cloth manufactured thereby |
| 08/06/1997 | EP0713420B1 Cartridge filter with insoluble enzyme particulates contained thereon |
| 08/06/1997 | EP0690741B1 Filtration medium |
| 08/06/1997 | CN1156415A Bypass filting |
| 08/05/1997 | US5655212 Porous ceramic filters; catalytic exhaust system; roughness |
| 07/31/1997 | WO1997027395A1 A fuel filter and production process |
| 07/31/1997 | CA2243314A1 A fuel filter and production process |
| 07/30/1997 | EP0633053B1 Process for preparing a porous polytetrafluoroethylene film |
| 07/30/1997 | CA2195044A1 Low co cigarette |
| 07/29/1997 | US5652050 Microporous membranes for separating, analyzing biological fluids |
| 07/29/1997 | US5651900 Microfabricated particle filter |
| 07/29/1997 | US5651811 For vacuum cleaner |
| 07/29/1997 | US5651250 Diesel particulate filter apparatus |
| 07/24/1997 | WO1997026222A1 Purified natural glass product |
| 07/24/1997 | WO1997026135A1 Multi-layered felt, member formed of same, and method of manufacturing same |
| 07/24/1997 | WO1997026134A1 Highly porous polyvinylidene difluoride membranes |
| 07/23/1997 | EP0785014A1 Reinforced ceramic air bag filters |
| 07/23/1997 | EP0785013A1 Air filter, process for preparing air filter, local facilities, clean rooms, treatments, and process for preparing filter medium |
| 07/23/1997 | EP0785012A1 Blood filter unit |
| 07/23/1997 | EP0784718A1 Non-woven fibre fabric and method of making the fabric |
| 07/23/1997 | EP0784518A2 Microbiological parts washer |
| 07/23/1997 | EP0784503A2 A filter, apparatus including the filter and a method of use of the apparatus |
| 07/23/1997 | EP0579798B1 Liquid filtration module and apparatus |
| 07/23/1997 | CN2258093Y Structure of sewage and pure water treater |
| 07/23/1997 | CN1155251A Apparatus and method for separating solids from flowing liquids or gases |
| 07/23/1997 | CN1154870A Improved method for mfg. of acetate fiber pellicle and medical product thereof |
| 07/22/1997 | US5650451 Lamination, filters, packaging |
| 07/22/1997 | CA2106482C Fiber spinning process and product thereof |
| 07/17/1997 | DE19548180C1 Filteranordnung Filter assembly |
| 07/16/1997 | EP0783914A1 Filter element for air cleaner |
| 07/15/1997 | US5647985 Whole blood leukodepletion and platelet filter |
| 07/09/1997 | EP0689622B1 Composite fiber of commingled fiberglass and polytetrafluoroethylene and method of producing same |
| 07/09/1997 | CN1153679A Filter element for air-purifying film filter |
| 07/09/1997 | CN1153678A Scrim inserted electrostatic fibrous filter web |
| 07/08/1997 | US5645778 Process of making a cellulose acetate semipermeable membrane |
| 07/08/1997 | US5645684 Microelectromechanical systems, electronic circuits and mechanical devices integrated on the same chip |
| 07/08/1997 | US5645627 Charge stabilized electret filter media |
| 07/03/1997 | WO1997023294A1 Air filtration apparatus |
| 07/03/1997 | WO1997023271A1 Filter arrangement |
| 07/03/1997 | WO1997023267A1 Laminate filter media |
| 07/03/1997 | WO1997023266A1 Filter medium for leukocyte removal |
| 07/03/1997 | WO1997023265A1 High efficiency dust sock |
| 07/03/1997 | WO1997023246A2 High efficiency breathing mask fabrics |
| 07/03/1997 | WO1997018339A3 Filtration device for filtering molten metal |
| 07/03/1997 | DE19654188A1 Air filter element for IC engines |
| 07/03/1997 | DE19549194A1 Self-propelled filter for absorption of floating contaminants |
| 07/03/1997 | CA2240848A1 Air filtration apparatus |
| 07/03/1997 | CA2239789A1 High efficiency breathing mask fabrics |
| 07/03/1997 | CA2239063A1 Laminate filter media |
| 07/03/1997 | CA2239033A1 High efficiency dust sock |
| 07/02/1997 | EP0781600A2 Virus-removing filter |
| 07/02/1997 | EP0781585A1 Apparatus for dedusting a gas and process for cleaning at least one filter of the apparatus |
| 07/02/1997 | EP0692995B1 A method for closing a passage in a filter body sample |
| 07/02/1997 | CN1153491A Method for producing porous bodies |
| 07/02/1997 | CN1153152A Silicon nitride porous body and manufacturing method therefor |
| 07/02/1997 | CN1153075A High carbon content active carbon filter element and producing process thereof |
| 07/02/1997 | CN1035307C Multi-layer composite screen |
| 07/01/1997 | US5643684 Unwoven metal fabric |
| 07/01/1997 | US5643507 Filter media having an undulated surface |
| 07/01/1997 | US5643452 High-flux hollow-fiber membrane with enhanced transport capability and process for making same |
| 06/26/1997 | WO1997022399A1 Coextruded blocks and applications therefor |
| 06/26/1997 | WO1997022395A1 Filter having magnetic components and method of manufacturing same |
| 06/26/1997 | DE19703579A1 Adsorption and filtering unit with mobile adsorption layer |
| 06/26/1997 | DE19548197A1 Pleated filter insert production |
| 06/26/1997 | DE19547883A1 Harmful gas removal from air in safe and economical process |
| 06/26/1997 | CA2241029A1 Filter having magnetic components and method of manufacturing same |
| 06/25/1997 | EP0691879B1 Microfilter plate and process for making it |
| 06/25/1997 | EP0592622B1 Extension of edible oil lifetime using activated carbons |
| 06/25/1997 | CN1152948A Bulky long fibre and split yarn of polytetrafluoroethylene, method of mfg. the same, cotton like material mfg. method using the fiber and yarn, and dust collecting filter cloth |
| 06/24/1997 | US5641555 Cup-shaped filtration mask having an undulated surface |
| 06/19/1997 | WO1997021857A2 Polyarylene sulfide melt blowing methods and products |
| 06/19/1997 | WO1997017524A3 Deformable well screen and method for its installation |
| 06/18/1997 | EP0779095A1 Process and device for catalytic gas purification |
| 06/18/1997 | EP0778791A1 Fibre-coated filter element and process for manufacturing the same |
| 06/17/1997 | US5639700 Thermal insulation containing corrugated nonwoven web of polymeric microfiber |
| 06/17/1997 | US5639550 Composite particulate material and process for preparing same |
| 06/17/1997 | US5639376 Filtering |
| 06/17/1997 | US5639372 Composite membranes for solid phase extractions and reactions |
| 06/17/1997 | US5639370 Compound layer resin bonded filter cartridge |
| 06/17/1997 | US5638960 Sieve |
| 06/12/1997 | WO1997020881A1 Microporous polytetrafluoroethylene (ptfe) bodies with filler |
| 06/12/1997 | WO1997020628A1 Permeable, shaped structures of active particulate bonded with psa polymer microparticulate |
| 06/12/1997 | DE19546038A1 Drum filter with composite filter element bodies of metallic layers |
| 06/12/1997 | DE19545046A1 Folded filter pack flexible in only one direction of flexible filter medium |
| 06/11/1997 | EP0778250A1 Sintered or compacted inorganic porous body and use therof as a filter |
| 06/11/1997 | EP0777976A2 Extruded filtration material |
| 06/11/1997 | EP0777742A1 Method for adsorbing antimicrobial agents contained in a biological fluid, and apparatus therefor |
| 06/11/1997 | EP0777518A1 Filter medium |
| 06/11/1997 | EP0777517A1 Method and apparatus for filtering edible oils |
| 06/11/1997 | EP0777516A1 Method for the physical/chemical separation of the components of a fluid |