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| Number | Title | Issue Date |
| 8033400 | Non-woven polymeric fabric including agglomerates of aluminum hydroxide nano-fibers for filtering water The invention concerns the production of filter materials for the purification and disinfection of water, water solutions and other liquids, as well as for sterilizing filtration of injections and other solutions, for concentration of biomolecules in physiological l... | 10/11/2011 |
| 7398887 | Product and method of forming successive layers of face-to-face adjacent media with calculated pore size A filter media product and method of making the same wherein at least two independent filter media thicknesses of differing coarse and fine pore sizes are held in face-to-face relationship with the pore sizes being so calculated that the overall average pore size of... | 07/15/2008 |
| 7374676 | High rate filtration system A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to... | 05/20/2008 |
| 7367998 | Filter element and method for producing it and tank breather filter with a filter element of this kind The invention relates to a filter element (50), in particular for a tank breather filter (10), the filter element (50) being produced from a flat filter material. To form the filter element (50) in such a way that it can be produced at lo... | 05/06/2008 |
| 7341618 | Filters and methods of making and using the same Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filter may contain a polymer matrix and optional sequestering agents. Methods of making the filters are also disclosed. Methods of using the filters t... | 03/11/2008 |
| 7316897 | Process, device and reagent for cell separation A cell separation process for the isolation of pathogenic cells in a small concentration in a biological fluid specimen, including treating the biological specimen to modify in a differential manner selected rare cells and other cells and causing differential migrat... | 01/08/2008 |
| 7311751 | Filter medium A filter medium includes at least a first and a second layer. Both first and second layers have a layer volume VLq and a layer filtering surface SLq, where SLq is the accumulation of all mantle surfaces of the fibers present in this layer q. The first layer has a SL... | 12/25/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7303687 | Gutter lining method and insert apparatus incorporating porous non-woven fiber matting An insert apparatus for placement in a rain gutter includes a porous insert body including a plurality of randomly arranged filaments attached to one another to form a mat. The insert apparatus is shaped to fit within an inside channel of a rain gutter. Optionally, ... | 12/04/2007 |
| 7294178 | Low loss hydrocarbon (HC) adsorber device for air induction system A hydrocarbon trapping device including an adsorbing element of a material configured to adsorb hydrocarbons from the air and a support connected to the adsorbing element is provided. The adsorbing element includes first and second opposing ends, and the support inc... | 11/13/2007 |
| 7293661 | Filtration media comprising granules of binder-agglomerated active component Granules comprise binder-agglomerated active particles for liquid treatment or filtration. Each granule has a center core of a material that itself has binding properties without the addition of other binders or sprays or adhesives, or, alternatively, each granule c... | 11/13/2007 |
| 7288199 | Ceramic filter and method for purifying water A ceramic filter is provided including a substrate, a separation layer comprising titania and having an average pore size in a range of 0.08 to 1 μm and a thickness in a range of 5 to 20 μm, and an intermediate layer formed between the substrate and the separation... | 10/30/2007 |
| 7288498 | Transition metal oxide-aluminosilicate purification media The invention, in its various embodiments, relates to a medium for purifying fluids, particularly consumable fluids like air and water, by removing organic materials from the fluids by contacting the fluids with a combination of extremely small diameter transition m... | 10/30/2007 |
| 7278542 | Filtering medium, method for making same The invention concerns a filtering medium based on a photocatalytic agent and activated carbon, characterized in that it comprises a permeable support covered with a first layer based on activated carbon, then a separate second layer based on a photocatalytic agent,... | 10/09/2007 |
| 7280311 | Disk drive including a filter component with coarse and fine sections There is provided a disk drive including a disk drive base, a disk rotatably coupled to the disk drive base, and a spindle motor attached to the disk drive base and configured to support the disk for rotating the disk with respect to the disk drive base. The disk dr... | 10/09/2007 |
| 7267703 | Electrically regeneratable filter element An electrically regeneratable filter element comprises at least two flanks, each of these flanks comprising a stiff material layer. Each of these flanks has at least one thermally and electrically insulated side. The filter element comprises further a metal fiber fl... | 09/11/2007 |
| 7255722 | Gas filter A filtration portion 11 constituting a filter element 3 is composed of a first filtration material 9 wound around the outer periphery of an inner tube 8 and a second filtration material 10 wound tightly around the outer peripheral ... | 08/14/2007 |
| 7244359 | Inorganic ion sorbent method A process and medium for decontamination of water containing anionic species including arsenic and chromium, wherein compounds comprising divalent and trivalent metal oxides and sulfides are used to form surface complexes with contaminants under pH conditions within... | 07/17/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7217313 | Dehumidification system and dehumidification method A dehumidifying system supplies a gas free of organic substances. The dehumidifying system includes a holding case, and a rotor rotatably held in the holding case and bearing an adsorbent. The interior of the holding case is divided into an adsorbing zone and a rege... | 05/15/2007 |
| 7182872 | Struvite crystallization The present invention provides a method and apparatus for removing phosphorus from phosphorus containing waste. In one embodiment, the method is preferably carried out by contacting the phosphorus containing waste with a non-cellular membrane and precipitating phosp... | 02/27/2007 |
| 7176034 | Apparatus and method for filtering biological samples There is provided an apparatus and method for collection and filtration of a sample having a sample holder, a filtrate holder and a connection conduit having a sample receiving end and a filtrate receiving end and containing a filter. The sample holder has an entry ... | 02/13/2007 |
| 7169466 | Multiple-component binder systems for porous composite blocks A porous composite block is provided that contains at least two groups of binding agent particles. The first binding agent particles have an average particle size between about 5 μm and 200 μm. The second binding agent particles have an average particle size no la... | 01/30/2007 |
| 7169304 | Porous polymer water filter and methods of use in refrigeration The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent materials as opposed to merely binding adsorbent materials together thro... | 01/30/2007 |
| 7160366 | Filter element An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded res... | 01/09/2007 |
| 7144445 | Use of an adsorbent in solid foam form for the purification or separation of gases Process for purifying or separating a gas or gas mixture using a monolithic adsorbent for the separation or purification of gases or gas mixtures, having a cellular structure with open porosity in the form of a solid foam permeable to the gas molecules. The gas phas... | 12/05/2006 |
| 7140497 | Selective deleukocytation unit for a platelet product The invention includes a filtration unit for the selective deleukocytation of a fluid containing blood platelets such as blood or a blood component. The unit includes a medium for deleukocytation by adsorption and/or filtration of the leukocytes. The medium is forme... | 11/28/2006 |
| 7137510 | Filter element A filter element in which several layers (2, 3, 5, 7, 8) made of a filtering medium are joined contiguously in the direction of flow with at least one layer (2, 7) made of a filtering medium with a high storage capacity and a low degree of separation b... | 11/21/2006 |
| 7112272 | Liquid and gas porous plastic filter and methods of use The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent materials as opposed to merely binding adsorbent materials together thro... | 09/26/2006 |
| 7112234 | Composite porous media A composite porous media for either gas or liquid flow is strong and efficient, and can readily be formed in or into a wide range of different shapes and configurations. In particular, the porous media is a composite of a metal, aerogel or ceramic foam (i.e., a reti... | 09/26/2006 |
| 7112280 | Gas porous polymer filter and methods of use The filtration device of the present invention relies on materials and methodologies that achieve the formation of a structural matrix that may later accommodate the addition of other adsorbent materials as opposed to merely binding adsorbent materials together thro... | 09/26/2006 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7081208 | Method to build a microfilter Methods are provided for making microfilters by subtractive techniques which remove a component or part of a filter material to form pores in the filter material and additive techniques which deposit a filter material onto a porous underlying substrate. All the meth... | 07/25/2006 |
| 7081201 | Encapsulated filter cartridge An encapsulated filter cartridge is disclosed, which includes a filter assembly including a carbon block filter element and a microporous filter element. The filter cartridge has a permanently sealed sump defining an interior chamber configured to accommodate the fi... | 07/25/2006 |
| 7077891 | Adsorbent sheet material for parallel passage contactors An adsorbent material fabricated into a reinforcement-free, self-supported coherent thin sheet and configured for use as a parallel passage contactor element in adsorption/separation applications with gases and liquids is disclosed. The adsorbent sheet material is o... | 07/18/2006 |
| 7060183 | Unit for filtering a fluid A filtering unit, which may be used to filter blood or blood components to remove leukocytes. The filtering unit includes a rigid outer casing connected to a filter medium by an impermeable association means to define two compartments. The association means may be f... | 06/13/2006 |
| 7048709 | Bag provided with means for the temporary association of a filter The disclosure includes a flexible bag (1) intended to receive a biological fluid with a view to its centrifugation. The bag includes an external enclosure (2) formed by two sheets of flexible plastic (3, 3′) connected at their periphery (4... | 05/23/2006 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 7037642 | Removing compounds from blood products with porous particles immobilized in a matrix Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition containing cells while substantially maintaining a desired biological activity of the biological composition. The device comprises highly po... | 05/02/2006 |
| 7025212 | Plasma- or serum-collecting device A plasma- or serum-collecting device with simple structure and easy to handle is provided. The device comprises a vacuum blood drawing tube accommodating a blood-filtering unit, wherein the vacuum tube contains a space above the blood-filtering unit to preserve bloo... | 04/11/2006 |
