Class 210/504 - With adhered coating or impregnant

Subclass of Class 210 - Liquid purification or separation
Definition: Compositions having a coating or impregnant, permanently
No. of patents: 252
Last issue date: 02/21/2012

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Number	Title	Issue Date
8118177	Non-woven webs and methods of manufacturing the same A product including a web and a method of manufacturing such a product. The product may be for use as an industrial absorbent or a thermal or acoustic insulator and includes a web including scrap and/or recycled cellulose, the cellulose being selected from a source ...	02/21/2012
8016125	Materials, filters, and systems for immobilizing combustion by-products and controlling lubricant viscosity A chemical filter for use within an internal combustion engine lubrication system. The chemical filter employs filtration media including particles having internal pores and interstitial pores formed between adjacent particles. The internal pores and the interstitia...	09/13/2011
7775376	Filter for the separation of leukocytes from whole blood or blood preparations, method for production of said filter, corresponding device and use thereof The invention relates to a filter for the separation of leukocytes from whole blood, comprising a hydrophobic support material and a polymeric coating material, whereby the surface of the filter has a critical surface wetting tension in the range 50 to 80 dyn/cm and...	08/17/2010
7435342	Dialysate regeneration system for portable human dialysis A dialysate regeneration chamber is provided. In one embodiment, the dialysate regeneration chamber may include a toxin trap configured to selectively trap toxins and repel select cations. ...	10/14/2008
7410066	Filter for selectively eliminating leukocytes It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while causing little elution and minimizing loss in platelets. Namely, a fi...	08/12/2008
7407578	Liquid filtering instrument and dry type analysis device A liquid filtering instrument 10 according to the present invention achieves filtered liquid by pressure-reduced filtration, and it comprises a filter member 12 in which a liquid filter 15 is accommodated, and a holder member 14 for stock...	08/05/2008
7407742	Plasma or serum separator, plasma or serum sampling method, plasma or serum separating method, test carrier and glass fiber Provided are a plasma or serum separator and a plasma or serum sampling method capable of isolating plasma or serum with good efficiency from a small amount of blood without using a centrifuge and without causing leakage of a blood cell component or hemolysis, and i...	08/05/2008
7399333	Filter element and process for producing the same The present invention provides a filter element and a method for producing the same, which do not generate pollution during waste disposal, can be easily produced, improve the pressure loss and reduce the production cost. The filter element and the method for produc...	07/15/2008
7364608	Chemical filter and method for manufacturing same The chemical filter supporting an ion-exchange resin comprising a fiber supporting body containing ion-exchange fiber and ion-exchange resin powder which is supported on the fiber supporting body is provided. The chemical filter possesses a large ion-exchange capaci...	04/29/2008
7357868	Nanocrystal-containing filtration media The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The filtration media can be compressed into a filtration block, has low pressure d...	04/15/2008
7344034	Heatsealable filter materials Described are a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced fil...	03/18/2008
7344035	High heat filter fabric and method A fabric is disclosed which is suitable for use in the manufacture of particulate filters for use in high heat environments, together with a method for making the high heat filter fabric. The filter fabric has a sliver knit pile construction, and may be manufactured...	03/18/2008
7316780	Range separation devices and processes Separation device comprising a feed channel including a shear region, permeate passage(s) extending perpendicular to the direction of the feed flow and a porous medium positioned between the shear region of the feed channel and the permeate passage(s). Separation pr...	01/08/2008
7311209	Filter material A filter material has one or more plies of fiber layers, in particular for the production of filter bags and filter cones for infused beverages, the at least one fiber layer containing fibers or microcapsules having phase change material. Paraffinic hydrocarbons can...	12/25/2007
7303084	Compositions, devices, and methods for use in environmental remediation What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the composi...	12/04/2007
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
7303670	Compositions, devices, and methods for use in environment remediation What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, blankets, and berms. Applications for the use of the compositions, d...	12/04/2007
7297263	Efficient water filters Water treatment devices that include filtration media with specified grain size distributions are provided. In one arrangement, the device contains a volume of grains such that between about 1 and 15 vol % of the grains have a grain size in a range between a first g...	11/20/2007
7296690	Method and device for inactivating viruses The invention provides a device for the inactivation of a virus comprising a housing delimiting a fluid passageway, the passageway being provided with a filtering material having ionic copper selected from the group consisting of Cu+ and Cu++ i...	11/20/2007
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
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
7264726	Nanocrystal-containing filtration media The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The filtration media can be compressed into a filtration block, has low pressure d...	09/04/2007
7241388	Means to miniaturize diffusion filters for particulate removal The present invention is directed to a filtration system including filter media that use diffusion as a method of particulate reduction that balances the contact time required for a desirable level of interception and filter performance. The filter system of the pre...	07/10/2007
7229559	Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f...	06/12/2007
7168574	Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil...	01/30/2007
7163334	Method and apparatus for mixing fibers A method of mixing including providing a slurry (26, 126) having a first fiber (14, 114) into a container (20, 120), introducing an agitation fluid (31, 138) into the slurry to cause a mixing motion (38, 138) within the slurry, and...	01/16/2007
7163625	Filtration device The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi...	01/16/2007
7160453	Filter for removing contaminants from water A filter for removing contaminants from water. The filter has a first porous filter part formed by setting an active carbon in a high-molecular low-melt index polymeric binder. An inlet directs water to be filtered to the first porous filter part. An outlet directs ...	01/09/2007
7138057	Filter media In one aspect, the invention provides an article consisting essentially of a paper layer including about 10 Wt % to about 40 Wt % of a thermoplastic polymer and an ePTFE membrane laminated to the paper layer. Preferably, the paper layer includes about 10 Wt % to abo...	11/21/2006
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
7122122	Molecular imprinting of solute on cellulose/silica composite, and products and uses thereof A cellulose/silica composite useful as a filter material is highly selective towards a solute that has been molecularly imprinted upon an inorganic gel coating formed on the cellulose. The filter material provides dual filtering functionality, as both a selective mo...	10/17/2006
7052532	High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro...	05/30/2006
7022164	Filters employing porous strongly acidic polymers A clean, high efficiency, low pressure drop, adsorptive filter material that is porous and includes an acidic functional group. The filter can include, for example, a non-woven filter composite has a porous sulfonated divinyl benzene styrene copolymer beads having s...	04/04/2006
7017757	Mechanically stable, porous shaped activated carbon article and filtering system The invention relates to a mechanically stable, porous shaped activated carbon article having a first three-dimensional framework structure based on carbonized resin, a second three-dimensional inorganic framework structure comprising ceramic material and/or baked r...	03/28/2006
7005044	Method of fabricating a belt and a belt used to make bulk tissue and towel, and nonwoven articles and fabrics In a method for manufacturing a belt and a belt for use in the production of bulk tissue and towel, and of nonwoven articles and fabrics, a polymeric resin material is applied onto the surface of a base substrate in a precise predetermined pattern which is to be imp...	02/28/2006
6994794	Media with germicidal properties Filtration media having germicidal for use in filtering particles and deactivating, removing and/or destroying microorganisms from a feed liquid passing through the media. The filtration media includes an effective amount of at least one germicidal agent associated ...	02/07/2006
6962885	Transfer belt for a paper machine A transfer belt for a paper machine has a substrate and a coating on at least one flat side. The coating has an inner layer and an outer layer adjacent thereto. The outer layer has a porous structure having cavities open toward the outer side. ...	11/08/2005
6946013	Ceramic exhaust filter An improved, efficient, and regenerable exhaust emission filter and filter system are provided which incorporate the use of an inorganic, non-woven fiber filter element. The filter is able to capture exhaust pollutants and particulates through the interwoven nature ...	09/20/2005
6939466	Graded particle-size retention filter medium for fluid filtration unit with improved edge seal A fluid filtration unit having two or more filter medium layers and/or zones, at least one of the layers/zones having a different particle retention capability disposed on each side of a non-filtering separator element. The filter medium are presently preferably pos...	09/06/2005
6913694	Selective membrane having a high fouling resistance A selective membrane having a high fouling resistance. In one embodiment, the selective membrane is a composite polyamide reverse osmosis membrane in which a hydrophilic coating has been applied to the polyamide layer of the membrane, the hydrophilic coating being m...	07/05/2005

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Class 210/504 - With adhered coating or impregnant