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6458189 |
Hydrogen-selective metal membrane modules and method of forming the same
Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some...
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6451081 |
Multi-membrane filter
A filter element having a plurality of membrane layers. The filter element has a filter member having a porous sidewall. The sidewall has an outer surface and an inner surface which allow a gas to...
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6444006 |
High temperature composite ceramic filter
A high temperature composite ceramic filter having particular use as a diesel engine exhaust filter. An aqueous slurry containing short ceramic fibers, organic fibers and a water soluble...
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6432308 |
Filter element with porous nickel-based alloy substrate and metal oxide membrane
Powdered nickel-based alloys having substantial amounts of chromium and molybdenum are molded and sintered to form tubular filter supports. Metal oxide particulates, preferably titanium oxide, are...
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6429165 |
Polymer-bonded material
A polymer-bonded granular adsorptive, absorptive, chemisorptive, or catalytically active material and a process for producing molded bodies from this material. An objective was to develop a...
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6428610 |
Hepa filter
The present invention is directed toward a filter media for a high efficiency particulate air (“HEPA”) filter including a multiplicity of adjacent electrostatically charged piles of nonwoven...
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6423123 |
Filtering material for fluidic media and a method and device for producing such a filtering material
There is described a filter material, in particular in the form of a flat article, for fluid media, comprising a carrier layer and an adsorption layer, wherein the adsorption layer is formed by...
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6419871 |
Plasma treatment of filter media
The present invention is drawn to an improved electrostatic filter medium comprising a web of electret fibers which have been treated with fluorine-containing plasmas at a deposition amount of...
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6419729 |
Filter assemblies with adhesive attachment systems
Filter assemblies with adhesive attachment systems are provided. In one embodiment, a filter assembly includes a porous filter member and an adhesive disposed on a reinforcement scrim adhesively...
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6419721 |
Coalescing filters
A filter is provided for coalescing droplets of oil in a stream of gas, comprising an oil coalescing layer of a microfibrous material and a second layer of an oil drainage material located...
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6419725 |
Process of forming a permeable gas separation material
The process is characterised by sulfonating a partially brominated poly(phenylene oxide). The gas separation material so formed may be made into a membrane and is useful in separating component...
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6416570 |
Integrally molded type filter unit and manufacture of the same
A filter unit comprising a filter part made of an adsorbent-bearing filtration material and characterized in that said filter part is integrally molded with a filter holding frame made of a...
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6409787 |
Bicomponent substrate for filter element with membrane
A filter element comprises a substrate constructed from at least two different materials. A first one of the materials has a first temperature at which the first material activates. A second one of...
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6409785 |
Cleanable HEPA filter media
A pleatable and cleanable filter media ( 22 ) that has a HEPA filtration rating. The filter media ( 22 ) includes a porous primary filtration layer ( 22 ). The primary filtration layer tending to...
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6406517 |
Designed selectivity gas permeable membranes
The separation factor with respect to a gas binary of a selectively gas permeable membrane of a fluoropolymer can be increased by fabricating the membrane from a composition of a blend of the...
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6402819 |
Fresh air filter
The present invention relates to a fresh air filter that comprises a highly air-permissive two- or three-dimensional support made of a cross-linked polymeric foam which includes pores of large...
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6391075 |
Packaged air filter part and method of packaging the air filter part
A packaged air filter part and a method of packaging the air filter part are provided to suppress the absorption of organic substances by the air filter part. The air filter part is encased within...
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6391429 |
Permeable shaped structures of active particulate bonded with PSA polymer microparticulate
A fluid permeable composite structure having active particulate bonded together using a pressure-sensitive adhesive (PSA) polymer microparticulate. Use of the PSA polymer microparticulate to bond...
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6387269 |
Membrane for separating fluids
A porous composite structure, and in particular a membrane, for separating fluids is described. The composite structure comprises at least a porous support and a zeolite layer applied to the...
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6387144 |
Enhanced performance fibrous filter media and extended life fluid filter assembly
Enhanced performance fibrous media ( 60 ) is provided by orienting filter media fibers ( 62 ) dominantly parallel to the fluid flow direction ( 46 ). Filter media construction is provided by a...
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6387141 |
Depth air filter having fibers intertwined by liquid-jetting
An air filter having a depth filter material which includes a nonwoven fabric having a upstream side and a downstream side. The nonwoven fabric is formed of adhesively and/or cohesively bonded...
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6383386 |
Hydrophobic permeable composite, method for producing said composite and use of the same
The invention relates to a hydrophobic permeable composite, to a method for producing a hydrophobic permeable composite and to the use of said composite in various processes. Hydrophobic, permeable...
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6375014 |
Graded permeability macroporous support for crossflow filtration
A macroporous support is disclosed, the permeability of the support varying in the direction of flow of a fluid to be treated, mean porosity increasing in the direction of flow. A method for...
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6368382 |
Epoxysilicone coated membranes
The invention relates to a method of making an epoxysilicone coated membrane by coating a porous asymmetric membrane layer with a UV-curable controlled release epoxysilicone coating. A mixture of...
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6364924 |
Air permeable cap and outdoor lamp, automobile lamp and electrical component comprising same
The present invention provides a compact and inexpensive air-permeable cap and an outdoor lamp, automobile lamp and automobile electrical component including such an air-permeable cap. A novel...
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6358729 |
Compact plant for the removal of odorous substances from polluted air
A compact plant for the depuration of polluted air, in particular from odorous substances, comprising a unitary housing in which are placed, in sequence, a prescrubbing section, a filtering bed and...
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6355081 |
Oleophobic filter materials for filter venting applications
Oleophobic and hydrophobic filters for filter venting applications are made by forming a polydimethylsiloxane coating on the surface of a filtration substrate. The filters have high water...
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6352578 |
Air cleaning filter, process for preparing the same, and high-level cleaner
The present invention relates to an air filter having an inorganic material layer in which the following adsorbent is fixed on the surface of the supporter using powder of an inorganic substance as...
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6344073 |
Dehumidifying material, dehumidifying element and manufacturing method therefor
A dehumidifying material comprising: 90.0 parts by weight to 99.9 parts by weight of silicon dioxide which is silica gel; and 0.1 part by weight to 10.0 parts by weight of an iron oxide or a...
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6344071 |
Broad spectrum filter system for filtering contaminants from air or other gases
Filter medium includes at least two kinds of filter media particles. A first plurality of filter media particles includes an extended surface area substrate comprising at least one transition metal...
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6340379 |
Gas filter, method for producing a gas filter and use of said gas filter
A gas filter, a process for producing a gas filter and the use of the gas filter. The filtration of gases, in particular of gases which are contaminated by solids, e.g. automobile exhaust gases, is...
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6338340 |
Filter mask
A filter mask is provided for use in environments of smoke and toxic gas which includes a filter element having a filling of shiftable bodies coated with a flowable, aloe vera extract having a...
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6336948 |
Fire-retardant filter medium and air filter unit
A filter medium with excellent flame-resistant properties and an air filter unit using the same are provided which have a flame-resistant air permeable supporting material on at least one surface...
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6336947 |
Air filter
The object of the present invention is to provide an air filter where the lifetime of the air filter is long and a carbon dust can be efficiently caught with keeping the cost low. The air filter of...
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6334881 |
Filter media
The present invention is an improved material which may be used as a filter media for gas filtration systems, such as for industrial gas streams and commercial or residential vacuum cleaners. The...
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6331197 |
Sintered plastic particles filter element
A filter element of sintered-together plastics particles having substantially the shape of a narrow, hollow box with two large, zigzag or corrugated first side walls, two narrow second side walls...
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6328779 |
Microwave regenerated diesel particular filter and method of making the same
A filter for trapping and combusting diesel exhaust particulates and method of making the same. The filter comprises a monolithic substrate coated with a refractory oxide material which at a...
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6321915 |
High performance filters based on inorganic fibers and inorganic fiber whiskers
A filter media structure, which is capable of operating in the micro- and nanofiltration regime, offers: low cost, durability, high temperature and chemical resistance, high permeability, high flow...
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6322604 |
Filtration media and articles incorporating the same
A durable meltblown filter material is provided comprising a first layer of fine polyester fibers having an average fiber diameter less than 8 micrometers and a second layer of polyester...
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6315805 |
Single or multi-ply filter medium for air filtration and a filter element made therefrom
A dual- or multi-layer filter medium for air filtration, having at least one meltblown layer (2, 2a and 5) at least one meltblown layer (2 and 2a) is placed on the inlet side of the filter medium....
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6302934 |
Filter medium for filters
A filter medium for filters wherein the evolution of organic gases and dusting from a reinforcing member are depressed and thus the excellent characteristics inherent to a porous...
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6302946 |
Deodorizing air filter and method of fabricating same
A deodorizing air filter media which is composed of a web of non-woven fibers having myriad discrete particles of a deodorizing component, such as sodium bicarbonate, uniformly dispersed throughout...
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6299778 |
Catalytically active permeable composite material, method for producing said composite material, and use of the same
The invention relates to a catalytically active, permeable composite material, a method for producing said composite material, and the use of the composite material. The inventive composite...
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6293982 |
Air filter, local facility, and clean room
A material not releasing gaseous organic substances during use is used as a filter medium and a sealing material for tightly sealing between the medium and a frame. Specifically, a synthetic...
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6277179 |
Agglomerates based on active charcoal, their process of preparation and their use as adsorption agents
Agglomerates based on active charcoal and on binder exhibit a good resistance to disintegration in a liquid medium as well as an excellent resistance to crushing and an excellent thermostability up...
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6277176 |
Moving filter device having filter elements with flow passages and method of filtering air
There is provided an air delivery device and method of moving and filtering air. The air delivery device comprises a housing having an air inlet and an air outlet. Between the air inlet and the air...
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6261449 |
Fluid purification system
A photocatalytic oxidation purification system includes an ultra violet light source and a filter that comprises a pleated wire mesh substrate with a nanophase metal oxide oxidation catalyst...
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6261342 |
Method of removing particulate solid or liquid aerosol from a gas
A method of removing particulate solid or liquid aerosol from a gas, which method comprises the step of: passing a particulate solid or liquid aerosol containing gas through an electret filter...
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6251154 |
Dust bag and method of production
A dust bag comprises a filter bag consisting of a filter material. In a first wall portion of the filter bag, an inlet opening is provided through which the air flow to be cleaned gets into the...
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6238466 |
Electret articles and filters with increased oily mist resistance
Novel electret articles containing a polymer and a performance-enhancing additive can be identified by their thermally stimulated conductivity characteristics or their filtration properties....
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