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| Number | Title | Issue Date |
| 8153553 | Gas sorbing composite systems and methods for their manufacturing A gas sorbing system is formed by gas sorbing components which are dispersed in a polymeric matrix which is porous or permeable to the gases to be sorbed. The gas sorbing components include a central nucleus, selected among a silica particle, polyhedral oligomeric s... | 04/10/2012 |
| 7842645 | Desulfurization adsorbent for fuel cell and desulfurizing method using the same A desulfurization adsorbent for a fuel cell has a structure according to Formula 1 below, and a desulfurizing method uses the desulfurization adsorbent. The desulfurization adsorbent displays remarkably excellent adsorption performance for adsorbing sulfur compounds... | 11/30/2010 |
| 7510996 | Hydrogen storage material A hydrogen storage material is expressed by a composition formula, (Ca1-xAx)1-z(Si1-yBy)z, wherein “A” is at least one member selected from the group consisting of alkali metal elements, alkaline-... | 03/31/2009 |
| 7410567 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 08/12/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7314847 | Regenerable sorbents for COcapture from moderate and high temperature gas streams A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali si... | 01/01/2008 |
| 7309676 | Remover for heavy metals contained in water A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or more thereof is substituted with magnesium ion and calcium ion, and a... | 12/18/2007 |
| 7300899 | Lithium exchanged zeolite X adsorbent blends A lithium exchanged zeolite X adsorbent blend with improved performance characteristics produced by preparing a zeolite X, preparing a binder which includes highly dispersed attapulgite fibers wherein the tapped bulk density of the highly dispersed attapulgite fiber... | 11/27/2007 |
| 7267811 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials, and methods for using such materials for the conversion of carbon-based fuels to a H2-rich product gas. The materials can be... | 09/11/2007 |
| 7264788 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a ... | 09/04/2007 |
| 7258792 | Treatment of contaminated activated charcoal The method of providing for a fluid treatment, that includes providing a treatment zone containing granular activated charcoal, and providing a stream of water containing nutrients, contaminant degrading microbes and dissolved oxygen, and introducing the stream to a... | 08/21/2007 |
| 7211539 | Silica gel compositions containing alkali metals and alkali metal alloys The invention relates to Group 1 metal/silica gel compositions comprising silica gel and an alkali metal or an alkali metal alloy. The compositions of the inventions are described as Stage 0, I, II, and III materials. These materials differ in their preparation and ... | 05/01/2007 |
| 7182918 | Desulfurization process A hydrocarbon desulfurization system that circulates fluidizable solid particles through a fluidized bed reactor, a fluidized bed regenerator, and a fluidized bed reducer to thereby provide for substantially continuous desulfurization of a hydrocarbon-containing flu... | 02/27/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 7143589 | Sorption cooling systems, their use in automotive cooling applications and methods relating to the same A sorption cooling system for providing cooled air to the cabin of a vehicle. The sorption cooling system includes an evaporator, a condenser adapted to fluidly communication with the evaporator, and a plurality of adsorbent beds adapted for fluid communication with... | 12/05/2006 |
| 7135430 | Method of treating fluorine compounds and treated substance Divalent and trivalent metal salts are added to the solution containing the fluorine compound to precipitate the layered double hydroxide containing the fluorine compound between layers. By these processes, the fluorine compound can be fixed with high rate. Moreover... | 11/14/2006 |
| 7048781 | Chemically-impregnated silicate agents for mercury control The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil... | 05/23/2006 |
| 6974564 | Method for the removal of mercury from a gas stream The present invention relates to a method for the removal of mercury from a gas stream. The method is characterized in that at a temperature above 170° C. the gas stream is contacted with a sorbent that as the active component is comprised of a mixture of substanti... | 12/13/2005 |
| 6951635 | Zinc oxide-based sorbents and processes for preparing and using same Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with ... | 10/04/2005 |
| 6942840 | Method for removal and stabilization of mercury in mercury-containing gas streams The present invention is directed to a process and apparatus for removing and stabilizing mercury from mercury-containing gas streams. A gas stream containing vapor phase elemental and/or speciated mercury is contacted with reagent, such as an oxygen-containing oxid... | 09/13/2005 |
| 6916891 | Attrition resistant inorganic microspheroidal particles Microspheroidal particles, suitable as fluidized bed catalyst supports, are prepared by incorporating a portion of small, preferably recycled, particles into a slurry of inorganic oxide sol and inorganic particles which is spray dried to form microspheroidal particl... | 07/12/2005 |
| 6911570 | Method for fixating sludges and soils contaminated with mercury and other heavy metals The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the particulate material. The method generally involves the application of a metal ... | 06/28/2005 |
| 6905603 | Treatment of contaminated activated charcoal The method of providing for a fluid treatment, that includes providing a treatment zone containing granular activated charcoal, and providing a stream of water containing nutrients, contaminant degrading microbes and dissolved oxygen, and introducing the stream to a... | 06/14/2005 |
| 6743405 | Low temperature sorbents for removal of sulfur compounds from fluid feed streams A sorbent material is provided comprising a material reactive with sulfur, a binder unreactive with sulfur and an inert material, wherein the sorbent absorbs the sulfur at temperatures between 30 and 200° C. Sulfur absorption capacity as high as 22 weight percent h... | 06/01/2004 |
| 6676911 | Exhaust gas treating agent, process for producing the same, and method of treating exhaust gas The invention provides an exhaust gas treatment agent characterized in that it comprises calcium silicate hydrate particles having a mean particle diameter of 0.2 to 4 μm and a specific surface area of not less than 60 m2 /g and calcium hydrox... | 01/13/2004 |
| 6632766 | Composite adsorbents for purifying hydrocarbon streams Applicant has developed an improved adsorbent useful in removing contaminants from various hydrocarbon streams. The adsorbent contains a zeolite, an alumina and a metal component. The metal component (Madd) is present in an amount at least 10 mole % the s... | 10/14/2003 |
| 6559096 | Desiccant composition A desiccant composition and a method for making the desiccant composition. The dessicant composition includes an absorbent such as calcium chloride or lithium chloride which is impregnated onto a highly porous support such as activated carbon that has wel... | 05/06/2003 |
| 6547854 | Amine enriched solid sorbents for carbon dioxide capture A new method for making low-cost CO2 sorbents that can be used in large-scale gas-solid processes. The new method entails treating a solid substrate with acid or base and simultaneous or subsequent treatment with a substituted amine salt. The m... | 04/15/2003 |
| 6409801 | Activation processes for monolith adsorbents An improved method for preparing and activating monolith adsorbents is disclosed. A regeneration gas is passed through the formed monolith adsorbent at a temperature sufficient to decompose at least part of the binding agents in the adsorbent. The present... | 06/25/2002 |
| 6168769 | Olefin purification A process for purifying a fluid stream contaminated with carbon dioxide is provided which comprises contacting, under conditions sufficient to substantially remove the contaminated carbon dioxide from the fluid stream which contains at least one C2 | 01/02/2001 |
| 6159897 | Catalyst for purifying exhaust gases A catalyst for purifying exhaust gases includes a support including at le one composite selected from the group consisting of TiO2 --Al2 O3, ZrO2 --Al2 O3 and SiO2 --Al2 ... | 12/12/2000 |
| 6153103 | Method for the removal of ultrafine particulates from an aqueous suspension A method of separating ultra-fine particulates from an aqueous suspension such as a process stream or a waste stream. The method involves the addition of alkali silicate and an organic gelling agent to a volume of liquid, from the respective process or wa... | 11/28/2000 |
| 6103655 | Carrier for olefin polymerization catalysts Procedure for the preparation of a solid carrier for olefin polymerization catalysts, comprising the steps: a) impregnating a silica with Mg-chloride solubilized in ethylbenzoate, in the presence of further electron donors, b) optionally drying the impregnated... | 08/15/2000 |
| 6040264 | Use of alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts in oxygenate conversion A method for converting starting material to olefins comprising contacting the starting material with a small pore non-zeolitic molecular sieve catalyst under effective conditions to produce olefins, wherein the non-zeolitic molecular sieve has been prepa... | 03/21/2000 |
| 6015816 | Antimicrobial compositions The present invention relates to a method of controlling microbial growth on a material. The method includes applying to the material an antimicrobial agent including colloid particles having an ion exchange capacity and having attached a quantity of one ... | 01/18/2000 |
| 6004898 | Alkaline earth metal containing small pore non-zeolitic molecular sieve catalysts The present invention is directed to a catalyst composition comprising a non-zeolitic molecular sieve and one or more alkaline earth metals selected from the group consisting of strontium, calcium, barium, and mixtures thereof, wherein said non-zeolitic m... | 12/21/1999 |
| 5998328 | Method of making activated carbon-supported catalysts A method for making an activated carbon-supported catalyst involves providing an inorganic support having a continuous coating of activated carbon, activated carbon being derived from a synthetic carbon precursor, introducing a catalyst precursor into the... | 12/07/1999 |
| 5994562 | Preparation of N-alkenylcarboxamides In a process for preparing N-alkenylcarboxamides by dehydration of N-(2-hydroxyalkyl)carboxamides and/or diethers thereof in the presence of a catalyst, molecular sieves, in particular zeolites, are used as catalyst.... | 11/30/1999 |
| 5888927 | Chiral separation using a unimodal, large-pore silica as the support Chiral stationary phases perform well when the underlying support for the chiral organic material is coated onto a silica pore widened by a hydrothermal treatment. The resulting silica is amorphous with a unimodal distribution of large pores. A variety of... | 03/30/1999 |
| 5888926 | Process for forming a sorbent-metal complex by employing a sorbent precursor This invention is directed to a process for forming a sorbent-metal complex. The process includes oxidizing a sorbent precursor and contacting the sorbent precursor with a metallic species. The process further includes chemically reacting the sorbent prec... | 03/30/1999 |
