| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 07/07/1999 | CN1044008C Porous metal body, process for producing same and battery plate formed therefrom |
| 07/06/1999 | US5919847 Blend of thermoplastic resin and additive |
| 07/06/1999 | US5919330 Method for bonding a porous medium to a substrate |
| 07/01/1999 | WO1999032707A1 Materials for virus capture |
| 07/01/1999 | WO1999032212A1 Water filtration method and apparatus |
| 07/01/1999 | DE19824506C1 Fluid filter made from folded fleece sealed at edges by tape and incorporating |
| 06/30/1999 | EP0925818A1 Apparatus and method for maximizing filtering capacity of layered filter media |
| 06/30/1999 | EP0925390A1 Meltblown ionomer microfibers and non-woven webs made therefrom for gas filters |
| 06/30/1999 | EP0925102A1 Method and apparatus for the continuous extrusion of block elements |
| 06/30/1999 | EP0925101A1 Filtration device and process for its manufacture |
| 06/30/1999 | CN1221355A Pour-through and pitcher mounted water filter |
| 06/30/1999 | CA2246043A1 Pocket filter and method and apparatus for making the same |
| 06/29/1999 | US5917066 Inline ultra-high efficiency filter |
| 06/23/1999 | EP0924116A1 Device for removing pollutants and odorours substances out of an air stream |
| 06/23/1999 | EP0923983A1 Monolithic ceramic filter |
| 06/23/1999 | CN1220649A Open-cell expanded ceramic with high level of strength,and process for production thereof |
| 06/22/1999 | US5914154 Non-porous gas permeable membrane |
| 06/22/1999 | US5914043 Fluid filtering method |
| 06/22/1999 | CA2117675C An oil-and water-repellent gas-permeable filter |
| 06/22/1999 | CA2024372C Highly air permeable expanded polytetrafluoroethylene membranes and process for making them |
| 06/16/1999 | EP0922478A2 Porous ceramic filter and method for producing same |
| 06/16/1999 | EP0922477A1 Hydroentangled fluoropolymer fiber bed for a mist eliminator |
| 06/16/1999 | EP0922129A1 Asphalt-containing organic fibers |
| 06/16/1999 | EP0921848A1 Filter material |
| 06/16/1999 | CN1219440A Belt filter |
| 06/16/1999 | CN1043672C Method for producing electret non-woven filter web and product thereof |
| 06/15/1999 | US5911926 Porous material of polytetrafluoroethylene and production process thereof |
| 06/10/1999 | WO1999028542A1 Molded respirator containing sorbent particles |
| 06/10/1999 | WO1999028273A1 Molten metal filtration |
| 06/10/1999 | WO1999028026A1 Dust prevention process for dust-generating powders |
| 06/10/1999 | CA2311810A1 Molten metal filtration |
| 06/09/1999 | EP0921210A1 Method of preparing porous nickel-aluminium structures |
| 06/09/1999 | EP0920898A2 Reinforcing element |
| 06/09/1999 | EP0920897A1 Dust-removing synthetic resin filter |
| 06/09/1999 | EP0920350A1 High capacity filter |
| 06/09/1999 | CN1043560C Microfilter plate and process for making it |
| 06/08/1999 | US5910357 Separation membrane and method of producing the same, and shape memory polymer composition |
| 06/08/1999 | US5910277 Mixing powdered polytetrafluoroethylene with liquid lubricant, molding into unsintered sheet, stretching in machine and transverse directions; clean room air filters |
| 06/08/1999 | US5910247 Two element filter bag |
| 06/08/1999 | US5909773 Method of repairing a damaged well |
| 06/08/1999 | CA2251151A1 Hydroentangled fluoropolymer fiber bed for a mist eliminator |
| 06/03/1999 | WO1999026710A1 Filter element |
| 06/02/1999 | EP0918706A1 Drink-extracting bag equipped with holding element |
| 06/02/1999 | CN1218419A Liquid and gas purification and filtration |
| 06/01/1999 | US5908790 Methods for removing heavy metals from aqueous solutions and for analysis |
| 06/01/1999 | US5908598 Fibrous webs having enhanced electret properties |
| 06/01/1999 | US5908561 Natural glass products having low concentrations of soluble substances |
| 06/01/1999 | US5908558 Method and apparatus for removing contaminants from fluid columns |
| 06/01/1999 | US5908481 Inflator filter comprising carbon yarn |
| 06/01/1999 | US5908480 Particulate trap for diesel engine |
| 06/01/1999 | CA2161288C Porous metal body, process for producing the same and battery plate formed therefrom |
| 05/27/1999 | DE19752143A1 Filter element |
| 05/27/1999 | DE19750811A1 Filter mat for the filtration and sorptive cleaning of water that seeps through the ground during, e.g. rainfall |
| 05/26/1999 | EP0917902A1 Filter medium and air filter unit |
| 05/26/1999 | EP0917901A1 Fire-retardant filter medium and air filter unit |
| 05/26/1999 | EP0917488A1 A water treatment cartridge and a water filter jug fitted with such a cartridge |
| 05/26/1999 | CN1217697A Drink-extracting bag equipped with holding element |
| 05/25/1999 | US5907034 With same affinity to ethylenediamine tetraacetic acid and diethylenetriamine pentaacetic acid as to their complexes with manganese, cadmium, zinc, copper, yttrium, or lead |
| 05/25/1999 | CA2104437C Method for purifying aqueous phases in hydrometallurigical extractions |
| 05/25/1999 | CA2032932C Method of producing a porous metal and a metal product using the same |
| 05/20/1999 | WO1999024141A1 Micromachined membrane particle filter using parylene reinforcement |
| 05/19/1999 | EP0916379A1 Filter material and filter comprising it |
| 05/19/1999 | EP0915738A1 Process and device for separating magnetic materials from pharmaceutical compositions, their starting or intermediate products and agents produced by means of this device |
| 05/19/1999 | EP0915736A1 Filter sheet and process for purifying photoresist composition employing the filter sheet |
| 05/19/1999 | EP0915730A1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 05/19/1999 | CN2319108Y 多功能滤水器 Multifunction Water Filters |
| 05/18/1999 | US5904845 Fuel filter, in particular for diesel fuel |
| 05/14/1999 | WO1999023306A1 Heat seal infusion web material and method of manufacture |
| 05/14/1999 | WO1999022843A1 Laminated metallized membrane filter |
| 05/14/1999 | WO1999008771A3 Filter element, in particular for filtering liquids |
| 05/12/1999 | EP0914508A1 Meltspun multicomponent thermoplastic continuous filaments, products made therefrom, and methods therefor |
| 05/12/1999 | EP0914187A1 Multi-membrane filter |
| 05/12/1999 | EP0914186A1 Filter material |
| 05/12/1999 | EP0914185A1 Pour-through and pitcher mounted water filter |
| 05/12/1999 | EP0833971B1 Fibrous nonwoven web |
| 05/12/1999 | EP0830215A4 Machine and method of making a filter |
| 05/12/1999 | EP0574588B1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 05/12/1999 | DE19749598A1 Workpiece reinforcing element |
| 05/12/1999 | CN1043309C 过滤器 Filter |
| 05/11/1999 | US5902653 Oil holding cylinder for an oil coating roller and method therefor |
| 05/11/1999 | US5902384 Wicking fiber with solid particulates for a high surface area odor removing filter and method of making |
| 05/11/1999 | US5902363 Filter can withstand thermal cycling during backpulse cleaning and is resistance to chemical degradation at high temperature |
| 05/11/1999 | US5901789 Deformable well screen |
| 05/11/1999 | CA2126739C Filter and a method for separating charged particles from a liquid stream |
| 05/06/1999 | EP0912780A1 A process for producing meltblown polyolefin fibres for mechanical filtration |
| 05/06/1999 | EP0912226A1 Candle filter |
| 05/05/1999 | CN1216087A Heat-resistant and regenerable filter body with flow paths |
| 05/05/1999 | CN1215660A Improved particle barrier nonwoven material |
| 05/04/1999 | US5900305 Laminated high efficiency filter |
| 05/04/1999 | US5900220 Soda ash processing method |
| 05/04/1999 | US5900147 Oscillatable filter medium |
| 05/04/1999 | US5900043 Vibrating gases in filter enclosure by using sound waves generated inside enclosure surrounded by flexible membranes |
| 05/04/1999 | US5899786 Blend of polyimide fibers and a second component consisting of fibers that do not shrink or soften at temperatures to which the fabric is normally exposed in manufacture or use |
| 05/04/1999 | US5898981 Synthetic filter media and method for manufacturing same |
| 05/04/1999 | CA2017138C Filter cartridge |
| 04/29/1999 | WO1999020372A1 A wicking fiber with solid particulates for a high surface area odor removing filter |
| 04/29/1999 | WO1999020256A2 Medicament excipient particles for tissue-specific application of a medicament |
| 04/29/1999 | CA2308236A1 Medicament excipient particles for tissue-specific application of a medicament |
| 04/28/1999 | EP0911140A2 Filter element for plastic melts |
| 04/28/1999 | EP0910456A1 Filter arrangement including removable filter with first and second media secured together |