Class / Patent application number | Description | Number of patent applications / Date published |
096154000 | Layered or laminated (e.g., solid sorbent on support material, etc.) | 36 |
20080250932 | Filter Mat for the Passage of Contaminated Air - The invention relates to a filter mat, which is used in applications where it filters the flows of contaminated air that pass through it. In such mats, there are points where aerosols collect. This is disadvantageous as it lowers the efficiency of the mat. The present invention overcomes this by having, at these points, wicks ( | 10-16-2008 |
20080282893 | CHEMICAL AND PARTICULATE FILTERS CONTAINING CHEMICALLY MODIFIED CARBON NANOTUBE STRUCTURES - A carbon nanotube filter. The filter including a filter housing; and chemically active carbon nanotubes within the filter housing, the chemically active carbon nanotubes comprising a chemically active layer formed on carbon nanotubes or comprising chemically reactive groups on sidewalls of the carbon nanotubes; and media containing the chemically active carbon nanotubes. | 11-20-2008 |
20080302246 | NANOPOROUS ARTICLES AND METHODS OF MAKING SAME - An adsorbent having porosity expanded by contact with a first agent effecting such expansion and a pressurized second agent effecting transport of the first agent into the porosity, wherein the adsorbent subsequent to removal of the first and second agents retains expanded porosity. The adsorbent can be made by an associated method in which materials such as water, ethers, alcohols, organic solvent media, or inorganic solvent media can be utilized as the first agent for swelling of the porosity, and helium, argon, krypton, xenon, neon, or other inert gases can be employed as the pressurized second agent for transport of both agents into the porosity of the adsorbent, subsequent to which the agents can be removed to yield an adsorbent of increased capacity for sorbable fluids, e.g., organometallic compounds, hydrides, halides and acid gases. Also described is a nanoporous carbon composite having porosity that is at least partially filled with material imparting to the composite an enhanced character with respect to characteristics selected from the group consisting of hardness, wear-resistance and toughness, as compared with the nanoporous carbon alone. | 12-11-2008 |
20090038477 | EVAPORATED FUEL GAS ADSORBENT, EVAPORATED FUEL GAS TRAPPING APPARATUS, ACTIVE CARBON AND PROCESS PRODUCING THE SAME - The present invention provides an evaporated fuel gas adsorbent, an evaporated fuel gas trapping apparatus that uses the adsorbent, an activated carbon, and a process for producing the activated carbon. The evaporated fuel gas adsorbent is capable of improving adsorptivity and desorptivity by reliably preventing a temperature rise and a temperature fall caused by heat generated in response to the adsorption and desorption of evaporated fuel gas, is capable of achieving a size reduction of the device, and is capable of being easily produced. The activated carbon has high mechanical strength and high abrasive resistance, has many pores suitable to adsorb an organic solvent, especially, evaporated fuel gas, and has a high packing density. The activated-carbon producing process is industrially advantageous. The evaporated fuel gas adsorbent comprises an adsorptive material and latent heat storage mediums including containers each of which is made of a flexible film and in each of which a substance that absorbs or releases heat in response to a phase change is encased. The activated carbon is characterized in that a specific surface area calculated by a BET method (multipoint method) in a nitrogen adsorption isotherm determined from a nitrogen adsorption amount at liquid nitrogen temperature is 1000 to 2500 m | 02-12-2009 |
20090078117 | Filter Element and Arrangement - The invention pertains to a filter element that includes a first flat layer and a second flat layer, wherein the layers are connected to one another such that a volume and an opening are formed, wherein the layers are spaced apart from one another via spacing devices arranged between the layers ( | 03-26-2009 |
20090090245 | FILTER ASSEMBLY - The present invention is directed to a seal configured to be placed over an opening in an electronic enclosure. In certain embodiments the seal covers a depression in the surface of the electronic enclosure, wherein the seal is configured to be adhesively secured along its perimeter to the surface of the electronic enclosure. An absorbent-containing filter element integral with the seal is configured to be placed within the depression in the surface of the electronic enclosure. A channel is configured to be in fluid communication through the seal, said channel further in fluid communication with the adsorbent-containing filter element. | 04-09-2009 |
20090107341 | Gas flow absorber - A gas flow absorber comprises an absorption vessel, having a vessel wall defining a cylinder including an absorption material, the cylinder having a cylinder wall bearing, at the bottom thereof, in a circumferential slot formed on a support plate including a channel therethrough a gas mixture flow is conveyed, the channel having a channel hole passing through an enlarged portion of the support plate, the enlarged portion being coupled to a flat chamber substantially extending through the overall extension of the vessel bottom, the chamber being covered by a disc-like body made of a sintered material. | 04-30-2009 |
20090126573 | DEOXIDIZER AND PROCESS OF PRODUCING DEOXIDIZER - A deoxidizer for absorbing and removing oxygen from the surrounding atmosphere, comprising oxygen-deficient cerium oxide having a powder form with a specific surface area of 0.6 m | 05-21-2009 |
20090139407 | Activated Carbon and Canister Using the Same - Activated carbon in which the residual amount of hydrocarbon (HC) can be reduced and a canister using such activated carbon are provided. | 06-04-2009 |
20090266237 | Membrane for Gas Phase Separation and Suitable Method for Production Thereof - The invention relates to a method for the hydrothermal production of a microporous membrane. According to said method, a colloidal solution comprising zeolite frameworks with 4-ring, 6-ring, and/or 8-ring pores which are provided as crystallites whose size ranges from 2 to 25 nm is applied to a porous substrate with the aid of a wet application technique. The applied layer is contacted with a hydrothermal liquid, and a nanocrystalline, microporous zeolite layer having an average pore diameter of 0.2 to 0.45 nm is synthesized at temperatures ranging between 50 and 250° C. and at an autogenous pressure. Such a microporous membrane comprising a porous substrate and at least one nanocrystalline zeolite layer that is disposed thereupon and has an average pore diameter of 0.2 to 0.45 nm is advantageously suitable for use as a separating device for gas phase separation, making it possible to separate particularly N | 10-29-2009 |
20090272272 | SEMICONDUCTOR MANUFACTURING FACILITY UTILIZING EXHAUST RECIRCULATION - A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at least one semiconductor manufacturing tool therein, and wherein air exhaust is flowed through a region of the clean room. The facility includes an air exhaust treatment apparatus arranged to (i) receive air exhaust after flow thereof through said region of said clean room, (ii) produce a treated air exhaust, and (iii) recirculate the treated air exhaust to an ambient air environment in the facility, e.g., to the gray room of the facility. | 11-05-2009 |
20090272273 | Filter material for generating oxygen and/or hydrogen from a source - A filter material for generating oxygen and/or hydrogen gas from a source having a porous boron doped carbon film with diRuthenium/diRuthenium molecules in direct contact with the porous boron doped carbon film, a synthetic film having at least one zeolite crystalline body in direct contact with the nanocarbon tubules, or both in a continuous alternating arrangement. | 11-05-2009 |
20090293728 | CANISTERS - The present invention includes a canister having a housing for receiving therein an adsorption material and a heat storage material. The adsorption material can adsorb a fuel vapor. The heat storage material can absorb and dissipate a heat in response to change in temperature within the housing. The heat storage material includes a plurality of heat storage granules each having a cover layer made of an alcohol resistance material. | 12-03-2009 |
20100212506 | FILTER ELEMENT AND FILTER UNIT - By providing a thin-type deodorizing filtering medium which can be mini-pleats-processed, a washing-regenerable filtering medium in which the deodorizing filtering medium and a dust collecting filtering medium are integrated and, further, a low pressure drop/dust collecting deodorizing filter unit which can be subjected to large air volume treatment are provided. A non-crimped single fiber having a specified Young's modulus and a specified fineness is used to prepare a nonwoven fabric sheet having high stiffness, and a gas adsorbing substance is adhered and fixed thereto. | 08-26-2010 |
20110017070 | MODEL OF VESSEL INSTALLATION AND PLACEMENT - A model of vessel installation and placement includes a shelf and a vessel installed under the shelf. There is at least one absorbing board equipped respectively on the shelf and arranged alternately. Absorbed boards attached to the absorbing boards are equipped to the bottom or the open of the vessel. Absorbing boards are equipped alternately to the shelf. And absorbed boards are equipped to the bottom or the open of the vessel and are attached to absorbing boards. Hence, when in use, absorbing boards on the shelf are attached to absorbed boards at the bottom or the open of the vessel, which enables that the bottom of the vessel faces up and the open of the vessel points down and is set under the shelf. This method can avoid accumulation of dust and moisture when the vessel is unused for a period of time and can keep clean of the internal vessel, so as to avoid that support frame or internal vessel is accumulated with moisture and dust and keep the vessel clean. | 01-27-2011 |
20110265656 | METHOD AND APPARATUS FOR AIR PURIFICATION - An air purification device that is decorative and effective in removing contaminants from indoor air. The air purification device includes a carbon matrix composite. | 11-03-2011 |
20120017763 | Filtration Media and Applications Thereof - In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric. | 01-26-2012 |
20120024158 | FUEL VAPOR TREATING APPARATUSES HAVING A HIGH THERMAL CONDUCTIVE HONEYCOMB CORE - An adsorbent canister has a housing defining an adsorption chamber therein, an adsorbent filled in the adsorption chamber, and a honeycomb core. The honeycomb core is made from a material having a higher thermal conductivity than the adsorbent, defines therein a plurality of cells passing through the honeycomb core and is disposed in the adsorption chamber. The adsorbent canister can further have a heater for heating the honeycomb core or the honeycomb core can be made from a material, which produce heat when current is applied. | 02-02-2012 |
20120067220 | Filtration Media And Applications Thereof - In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric. | 03-22-2012 |
20120222559 | AIR CHANNEL WITH INTEGRATED ODOR ABSORBING ELEMENT - An odor absorption component is fitted to a duct in a manner that does not obstruct fluid flow through the duct while simultaneously facilitating absorption of odors from a fluid flowing within the duct. The absorbing component comprises one or more carrier structures that support a fabric/textile treated with an odor absorption coating. In one position, the carrier structures can be placed on the wall of the duct such that a plane of the support structure is parallel to and in physical contact with the fluid flow within the duct. The carrier structures may also be placed in another position within the duct such that at least two surfaces of the carrier structure that extend in a longitudinal direction along its length are parallel to and in the path of the fluid flow within the duct. | 09-06-2012 |
20120272829 | AIR FILTER WITH SORBENT PARTICLES - An air filter for use in a residential HVAC system includes filtration media including a base layer and a sorbent layer including adhesive fibers and sorbent particles. | 11-01-2012 |
20120318147 | ANTIMICROBIAL AND CARBON TREATED INDOOR AIR FILTER - An indoor air filter is disclosed. The filter includes non-woven fibers, carbon, and an antimicrobial. The carbon and the antimicrobial are bonded to the fibers to form a filter media. The filter media is pleated. The carbon is activated. The antimicrobial can be silver. The non-woven fibers can be synthetic, and the filter media can be a mechanical filter media. | 12-20-2012 |
20120325091 | GETTER STRUCTURE INCLUDING A GAZ-PERMEABLE MATERIAL - A getter structure including at least one portion of getter material at least one face of which is positioned against at least one portion of gas-permeable material such that said portion of getter material is able to achieve a gaseous absorption and/or adsorption at least by said face through at least said portion of gas-permeable material, and in which the portion of gas-permeable material includes one or more channels made at the level of a face of said portion of gas-permeable material which is in contact with the portion of getter material, where the portion of getter material is able to achieve a gaseous absorption, or a gaseous adsorption, or both a gaseous absorption and a gaseous adsorption, via the channel or channels. | 12-27-2012 |
20130019752 | Gas Separation Device - A gas separation device is disclosed. In particular, seal assemblies and adsorbent element constructions for a gas separation device such as a pressure swing adsorption device are disclosed. The seal assembly can be part of a rotary valve and can include a seal backer and a floating seal positioned within a bore in the seal backer. The floating seal is configured to press towards and seal against an adjacent rotor. Valve action is provided as apertures in the floating seal and rotor are brought into and then out of alignment as a result of relative rotation therebetween. The seal assembly can include two types of gas chambers to apply balanced sealing pressures over the sealing surface of the valve, one type configured to receive pressurized process gas from within the device and the other configured to receive gas from an independently controlled pressurized gas source. The adsorber elements in the device may comprise improved spacer cross support structures at the ends of wound laminate adsorbent structures. | 01-24-2013 |
20130125757 | FILTER MEDIA CONSTRUCTION USING PTFE FILM AND CARBON WEB FOR HEPA EFFICIENCY AND ODOR CONTROL - Disclosed herein, among other things, is an improved filter media construction that comprises multiple layers for improved odor control that can be used for vacuum cleaner air filtration cartridge applications. The filter media comprises anti-microbial ePTFE HEPA filter media to prevent mold growth. The filter media may also be used for air cleaner filtration, central air filtration for home and industrial buildings (HVAC), cleanrooms, and microelectronic devices. In an embodiment, the improved filter media construction comprises at least a PTFE layer, a bi-component layer, and a base layer. In an embodiment the PTFE layer comprises ePTFE. In an embodiment, the bi-component layer comprises non-woven polyethylene/polyethylene terephthalate (PE/PET). In yet another embodiment, the base layer comprises activated carbon. Other aspects and embodiments are provided herein. | 05-23-2013 |
20130139693 | FLAME-RETARDANT DEODORIZING FILTER - [problem] It is provided that an activated carbon sheet to be excellent in removability of hazardous gas component and flame retardancy. | 06-06-2013 |
20130327221 | SYSTEMS AND METHODS FOR PARTICLE CONTAMINANT ENTRAPMENT - Systems and methods for particle contaminant entrapment are provided. In one embodiment, a sensor device comprises a sensor mechanism; a structure having an internal cavity housing at least one passive element of the sensor mechanism; and a particle contaminant getter within the cavity. | 12-12-2013 |
20140007773 | COMPOSITION AND PROCESS FOR MAKING THE COMPOSITION - An aggregate composition and process for making the aggregate composition. The aggregate composition includes an insoluble rare earth-containing compound and a polymer binder. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from cerium carbonate or a cerium salt. In a specific embodiment, the aggregate composition consists essentially of one or more cerium oxides, the polymer binder and optionally a flow aid. A process for making the composition includes mixing the insoluble rare earth-containing compound with a polymer binder to form a mixture, and subjecting the mixture to mechanical, chemical and/or thermal treatment to adhere the rare earth compound to the polymer binder. The aggregate composition can be used in a variety of fluid treatment applications to remove one or more chemical and biological contaminants in a fluid. | 01-09-2014 |
20140230656 | COMPOSITE GETTERS - A composite getter system is described. The system has NEG materials coated with a polyimide or polyamide based compound. | 08-21-2014 |
20140251144 | FRESH AIR LINE - A fresh air line for a fresh air system may include a tubular body enclosing a fresh air path in a circumferential direction. At least one annular adsorber element arranged coaxially in the tubular body. The fresh air line may also include at least one resonance chamber arranged radially between the tubular body and the adsorber element. | 09-11-2014 |
20140298996 | Sorbents for Carbon Dioxide Reduction from Indoor Air - A sorbent for C0 | 10-09-2014 |
20140298997 | Gas Adsorbing and Sound Absorbing Composite Structure of Activated Charcoal-Wooden Material Composites for Improving Indoor Air Quality and Removing Radon Gas, and Manufacturing Method Thereof - This invention is about an activated charcoal-wooden composites or charcoal-wooden composites and its manufacturing method, which is composed of fancy natural veneered wooden material as a surface layer, activated charcoal board or charcoal board as a central layer and wooden material with round boring holes as a back layer, and especially, which contains both the lined grooves of the surface layer and the round boring holes perforated through the back layer, and also in the function, the activated charcoal-wooden composites or charcoal-wooden composites takes the hidden gas adsorbing room in one or above of each layer, through which many gases can be adsorbed into either one or both sides of the central layer, that is, the above hidden gas adsorbing room can not only adsorb radon gas which comes from the ground or wall of building itself, but also can simultaneously adsorb various harmful gases indoors. | 10-09-2014 |
20140352542 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus including: a passage for fluid; a tank port and a purge port formed on one end side of the passage; an atmospheric air port formed on the other end side; and four or more adsorption layers filled with a fuel adsorbing material, wherein the main adsorption layer, and a region provided on the atmospheric air port side of the main adsorption layer are provided; the adsorption layers other than the main adsorption layer, and separation parts which separate the adjacent adsorption layers are provided in the region, and in the at least two separation parts inside the region, when the cross-sectional area of each of the at least two separation parts perpendicular to a flow direction of the passage is converted into a circular cross-sectional area, a distance between the adjacent adsorption layers is larger than the mean value of diameters of the each separation part. | 12-04-2014 |
20140366738 | ADSORBENT CARTRIDGE ASSEMBLY WITH END CAP - This invention relates to an adsorbent cartridge assembly having at least one end cap, and systems related thereto, for removing gaseous contaminants from the air or other gases. | 12-18-2014 |
20150314226 | FILTER MEDIA CONSTRUCTION WITH NANOFIBER AND CARBON WEB - Disclosed herein, among other things, is an improved filter media construction that comprises multiple layers for improved odor control that can be used for vacuum cleaner air filtration cartridge applications. The filter media comprises anti-microbial ePTFE HEPA filter media to prevent mold growth. The filter media may also be used for air cleaner filtration, central air filtration for home and industrial buildings (HVAC), cleanrooms, and microelectronic devices. In an embodiment, the improved filter media construction comprises at least a PTFE layer, a bi-component layer, and a base layer. In an embodiment the PTFE layer comprises ePTFE. In an embodiment, the bi-component layer comprises non-woven polyethylene/polyethylene terephthalate (PE/PET). In yet another embodiment, the base layer comprises activated carbon. Other aspects and embodiments are provided herein. | 11-05-2015 |
20190143257 | GETTER ACTIVATION UNDER VACUUM | 05-16-2019 |