| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 095139000 |
Carbon dioxide sorbed
| 58 |
| 095133000 |
Metal or metal containing compound sorbed
| 38 |
| 095117000 |
Water sorbed
| 34 |
| 095135000 |
Sulfur containing compound sorbed
| 20 |
| 095128000 |
Nitrogen containing compound sorbed
| 16 |
| 095127000 |
Noble gas sorbed
| 12 |
| 095130000 |
Nitrogen sorbed
| 9 |
| 095138000 |
Oxygen or ozone sorbed | 5 |
| 20090107333 | Process and Reagent for Removal of Oxygen from Hydrocarbon Streams - A method of using a sulfided iron reagent to remove oxygen from gaseous and liquid fluid streams such as natural gas, light hydrocarbon streams, crude oil, acid gas mixtures, carbon dioxide gas and liquid streams, anaerobic gas, landfill gas, geothermal gases and liquids, and the like is disclosed. In a preferred embodiment, the reagent is made by mixing, agglomerating and shaping finely powdered ferrous carbonate, preferably siderite which are used to remove oxygen from a hydrocarbon or carbon dioxide stream that also contains sulfur compounds such as hydrogen sulfide. | 04-30-2009 |
| 20090199710 | Ozone Production By Pressure Swing Adsorption Using A Protective Adsorbed Component - Adsorption process for recovering ozone from a feed gas mixture containing at least ozone and oxygen comprising (a) introducing the feed gas mixture into a first end of an adsorber vessel containing a zeolite adsorbent and selectively adsorbing ozone on the adsorbent; (b) withdrawing from a second end of the vessel a stream of oxygen essentially free of ozone; (c) terminating the flow of the feed gas mixture, introducing a purge gas into the second end of the vessel, and withdrawing from the first end of the vessel an outlet gas mixture containing at least purge gas and desorbed ozone; and (d) introducing an additional component into the feed gas mixture and/or the purge gas and adsorbing the additional component on the zeolite adsorbent. The additional component when adsorbed reduces the decomposition of ozone that would occur in the absence of the additional component adsorbed on the zeolite adsorbent. | 08-13-2009 |
| 20100126346 | METHOD FOR REDUCING OXYGEN CONTENT OF FLUID STREAMS CONTAINING SULFUR COMPOUNDS - A method of using a sulfided iron reagent to remove oxygen from gaseous and liquid fluid streams such as natural gas, light hydrocarbon streams, crude oil, acid gas mixtures, carbon dioxide gas and liquid streams, anaerobic gas, landfill gas, geothermal gases and liquids, and the like is disclosed. In a preferred embodiment, the reagent is made by mixing, agglomerating and shaping finely powdered ferrous carbonate, preferably siderite which are used to remove oxygen from a hydrocarbon or carbon dioxide stream that also contains sulfur compounds such as hydrogen sulfide. | 05-27-2010 |
| 20120067217 | OXYGEN-ABSORBING MULTILAYER FILM, PACKAGING MATERIAL COMPRISING THE SAME, AND PACKAGING CONTAINER | 03-22-2012 |
| 20120067218 | OXYGEN-ABSORBING MULTILAYER SHEET, PACKAGING MATERIAL COMPRISING THE SAME AND PACKAGING CONTAINER | 03-22-2012 |
| 095131000 |
Halogen or halogen containing compound sorbed | 4 |
| 20120198998 | HYDROGEN GAS RECOVERY SYSTEM AND HYDROGEN GAS SEPARATION AND RECOVERY METHOD - The reaction exhaust gas from which chlorosilanes and hydrogen chloride have been removed in a hydrogen chloride absorption unit ( | 08-09-2012 |
| 20120260799 | APPARATUS AND METHOD FOR RECOVERY OF SULFUR HEXAFLUORIDE - An apparatus and a method for recovery of sulfur hexafluoride is provided. Sulfur hexafluoride (SF | 10-18-2012 |
| 20120266750 | PURIFICATION OF TRANS-1,3,3,3-TETRAFLUOROPROPENE - Disclosed is a process for removing impurities from a product stream comprising trans HFO-1234ze and an HFO-1234 impurity that uses one or more adsorbents that are selective for the HFO-1234 impurity, such that the HFO-1234 impurity is removed from the product stream. One such impurity is HFO-1234zc, which is removed from its mixture with trans HFO-1234ze by action of an adsorbent having pores in the range of from about 5 angstroms to about 10 angstroms. | 10-25-2012 |
| 20140352537 | AIR PURIFICATION SYSTEM FOR A VEHICLE - A method for purifying air in the cabin of a vehicle, including filtering the air through a filter system, wherein the vehicle includes an air conditioning circuit containing a fluorinated refrigerant compound, and the filter system includes a filtering material which is adapted for removing hydrogen fluoride from a gas flow. Also, a vehicle in which this method can be implemented. | 12-04-2014 |
| 095140000 |
Carbon monoxide sorbed | 3 |
| 20090101011 | SILVER-EXCHANGED ZEOLITES AND METHODS OF MANUFACTURE THEREFOR - The present invention relates generally to zeolites having a silica/alumina ratio of less than or equal to 10 (Si/Al≦10) that are exchanged with Ag | 04-23-2009 |
| 20090301301 | ADSORPTION COMPOSITION AND PROCESS FOR REMOVING CO FROM MATERIAL STREAMS - Carbon monoxide is removed from material streams by adsorption to an adsorption composition comprising oxides of copper, zinc and aluminum, the copper-comprising fraction of which has a degree of reduction, expressed as weight ratio of metallic copper to the sum of metallic copper and copper oxides, calculated as CuO, of at most 60%. | 12-10-2009 |
| 20100018396 | Method of Using Adsorptive Filter Element - An adsorbent article having a base body or matrix onto which is applied an adsorptive coating. The body or matrix can be a honeycomb matrix or structure having a plurality of cells defining a plurality of passages extending through the body. The adsorptive coating comprises an adsorptive media, such as activated carbon or ion exchange resin, that is bound by a polymeric adhesive or resin. A reactant material is preferably included in the adsorptive coating. The adsorbent article has a minimal pressure loss therethrough. | 01-28-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20080264254 | Novel sorbents and purification and bulk separation of gas streams - Porous-material-supported polymer sorbents and process for removal of undesirable gases such as H | 10-30-2008 |
| 20090025556 | Metal-Organic Framework Materials Based on Icosahedral Boranes and Carboranes - Disclosed herein are metal-organic frameworks of metals and boron rich ligands, such as carboranes and icosahedral boranes. Methods of synthesizing and using these materials in gas uptake are disclosed. | 01-29-2009 |
| 20090133576 | PRESSURISED GAS CONTAINER OR STORAGE MEANS CONTAINING A GAS PRESSURISED CONTAINER WITH FILTER MEANS - The present invention relates to a gas pressure container having a minimum volume of 1 m | 05-28-2009 |
| 20090139401 | Single-crystalline organic carboxylic acid metal complex, process for producing the same, and use thereof - A large single crystal of a complex such as an organic carboxylic acid metal complex, which crystal is useful as an adsorbent of various gases and vapors of organic solvents and as a hydrogen-absorbing material, as well as a process for producing the crystal, is disclosed. Two layers wherein an upper layer thereof is constituted by a solution containing a metal salt and an organic carboxylic acid having a conjugated system, or a solution containing a metal salt of the organic carboxylic acid having a conjugated system, and wherein a lower layer of the two layers is constituted by a solvent which is not miscible with the solvent of the solution, is formed. Vapor of pyrazine or a substituted pyrazine from a solution of pyrazine or the substituted pyrazine is introduced into the upper layer to allow reaction, thereby forming a large single crystal(s) of the organic carboxylic acid metal complex at the interface between the two layers, which crystal(s) has (have) a longer side with a size of not less than 0.8 mm. | 06-04-2009 |
| 20090320681 | Filtering system for a semiconductor processing tool - The present invention provides a filtering system for a semiconductor processing tool. In one embodiment, the filtering system is associated with the semiconductor processing tool. A system of the invention comprises a first and second filter layer in fluid communication with a gas flow path. The flow path is a gas stream comprising volatile silica containing compounds such as hexamethyldisiloxane and trimethylsilanol. The gas flow path passes through the first and second filter layer to fluidly communicate with the semiconductor processing tool. Preferably, the first filter layer of the filtering system is upstream along the gas flow path from the second filter layer. The medias of the first and second filter layers are selected and arranged based on given contaminant concentrations. The invention also provides a method for filtering gas containing hexamethyldisiloxane and trimethylsilanol in communication with a semiconductor processing tool, which employs a system comprising a first and second filter layer. | 12-31-2009 |
| 20100005962 | Adsorptive Filter Material - An adsorptive filter material for the adsorption of acids or acid forming substances from the air is presented, which comprises an ion exchange material. The ion exchange material comprises a strong alkaline anion exchange resin with a ratio of at least 60% in the hydrogencarbonate form and a cation exchange resin in the H form with a ratio of not more than 15%. | 01-14-2010 |
| 20100116136 | Carbon-based sorbent for gas storage, and method for preparation thereof - The method enables control over carbon pore structure to provide sorbents that are particularly advantageous for the adsorption of specific gases. It involves preparation of a sorbent precursor material, carbonization of the precursor material, and, usually, activation of the carbonized material. The resultant material is subjected to heat treatment and/or to surface conditioning by a reducing gas at elevated temperatures. | 05-13-2010 |
| 20100242729 | STORAGE MATERIALS FOR HYDROGEN AND OTHER SMALL MOLECULES - This invention relates to adsorbents useful for storing hydrogen and other small molecules, and to methods for preparing such adsorbents. The adsorbents are produced by heating carbonaceous materials to a temperature of at least 900° C. in an atmosphere of hydrogen. | 09-30-2010 |
| 20110048231 | Composition and Method for Reducing Mercury Emitted into the Atmosphere - The present invention relates to sorbent compositions and methods to reduce the amount of mercury emitted into the atmosphere as a result of processing a mercury-containing material. The sorbent compositions include a sorbent source and at least one halogen material. The sorbent source is interacted with the halogen material to form a halogenated sorbent. The halogenated sorbent is contacted with a mercury-containing product (e.g., gas, vapor or mixtures thereof) which is produced as a result of processing a mercury-containing material. At least a portion of the mercury in the mercury-containing product is absorbed by the halogenated sorbent such that the level of mercury in said mercury-containing product is reduced. | 03-03-2011 |
| 20120318139 | Sintered Porous Plastic Liquid Barrier Media and Applications Thereof - This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister. | 12-20-2012 |
