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| Number | Title | Issue Date |
| 8268745 | Silicate-resistant desulfurization sorbent A silicate-resistant sorbent composition, as well as a method of making and using the same, is provided. The sorbent composition generally comprises a support component comprising one or more silicate-resistant silica-containing components that have been treated one... | 09/18/2012 |
| 7622422 | Ionic conducting gels, preparation method thereof and use of same A method of preparing an ionic conducting gel in solid form, known as ionogel. The method includes a step of mixing an ionic liquid with at least one molecular precursor containing at least one hydrolyzable group, if necessary in the presence of an acid, such as a c... | 11/24/2009 |
| 7538067 | Composition of, and process for preparing, silica xerogel for beer stabilization A silica xerogel, a process for making it, and a process for using it to reduce chill haze in beer includes incorporation in the xerogel of one or more alkali metals, optionally in combination with one or more alkaline earth metals. The pH of the xerogel is between ... | 05/26/2009 |
| 7371707 | Desulfurization sorbent The attrition resistance of sorbent compositions are enhanced by acid-treating the perlite component of the sorbent. The efficiency of making a promoter metal-containing sorbent composition is enhanced using a novel method for incorporating the promoter metal into t... | 05/13/2008 |
| 7354750 | Methods for separating molecules The present invention provides compositions and methods for the separation of metals or molecules such as polypeptides, nucleic acids, or endotoxins using a metal-modified solid support. The metals or molecules are isolated from a starting material using the modifie... | 04/08/2008 |
| 7351328 | Desulfurization and novel process for same A composition comprising a metal oxide and a promoter, wherein at least a portion of the promoter is present as a reduced valence promoter, and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone t... | 04/01/2008 |
| 7329386 | Column packing material and method for producing the same The first subject of this invention is a column packing material comprising: a silica gel having a silanol group; a first chemical modification group which is bound to said silanol group; a silicon... | 02/12/2008 |
| 7304016 | Compositions for separating molecules The present invention provides compositions for the separation of metals or biomolecules such as polypeptides, nucleic acids, or endotoxins using modified solid supports. ... | 12/04/2007 |
| 7304015 | Compositions for separating molecules The present invention provides compositions for the separation of metals or biomolecules such as polypeptides, nucleic acids, or endotoxins using modified solid supports. ... | 12/04/2007 |
| 7220703 | Tethered polymer ligands This invention relates to improved porous solid supports for chromatography and catalysis. The supports are prepared by covalently binding a tether polymer to a solid support, and then blocking the remainder of the support surface with a blocking reagent. The tether... | 05/22/2007 |
| 7201844 | Composite matrices with interstital polymer networks The present invention relates in general to the preparation and use of matrices having solid spaces, interstitial spaces and interstitial polymer networks. In particular, the interstitial polymer networks have utility in chemical and biochemical separations, solid p... | 04/10/2007 |
| 7169728 | Photo-functional powder and applications thereof A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with the fine particles and is barely liberated from the surface of the fin... | 01/30/2007 |
| 7067093 | Attrition resistant, zinc titanate-containing, reduced sulfur sorbents and methods of use thereof Reduced sulfur gas species (e.g., H2S, COS and CS2) are removed from a gas stream by compositions wherein a zinc titanate ingredient is associated with a metal oxide-aluminate phase material in the same particle species. Nonlimiting examples of... | 06/27/2006 |
| 7056454 | Ion generator and its manufacturing method An ion generator with increased generation of negative ions and its method of manufacture are disclosed. For an ion generator of the present invention, a titanium oxide powder is added to an ion generator that generates negative ions. ... | 06/06/2006 |
| 6994791 | Adsorbent material and method of preparing an adsorbent material The present invention relates to an adsorbent material for chromatography comprising a polymer immobilized onto a support, wherein the polymer backbone is attached to the support by one or more linkages which comprise one or more amide groups. It further relates to ... | 02/07/2006 |
| 6972090 | Composite chromatographic sorbent of mineral oxide beads with hydroxyapatite-filled pores A new adsorbent of a porous mineral oxide material with apatite crystals, preferably hydroxyapatite crystals, in the pores of the mineral oxide material is disclosed. The adsorbent is useful for protein and nucleic acid separations ... | 12/06/2005 |
| 6958309 | Hydrothermal pretreatment for increasing average pore size in a catalyst support A pretreatment method for increasing the average pore size of a catalyst support is disclosed which increases the diffusivity and effectiveness factor η. The pretreatment method includes calcining the support in moisturized air at an elevated temperature sufficient... | 10/25/2005 |
| 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 |
| 6908497 | Solid sorbents for removal of carbon dioxide from gas streams at low temperatures New low-cost CO2 sorbents are provided that can be used in large-scale gas-solid processes. A new method is provided for making these sorbents that involves treating substrates with an amine and/or an ether so that the amine and/or ether comprise at least... | 06/21/2005 |
| 6905031 | Solid phase microextraction device using aerogel A sample collection substrate of aerogel and/or xerogel materials bound to a support structure is used as a solid phase microextraction (SPME) device. The xerogels and aerogels may be organic or inorganic and doped with metals or other compounds to target specific c... | 06/14/2005 |
| 6899746 | Method of platinum particles recovery from reaction gas in the process of nitric acid production and granular composite material for recovery of such particles A granular composite material for recovering platinum particles from reaction gas flow in nitric acid production, comprising 50-75% calcium oxide by weight; 20-35% of magnesium oxide by weight; and 5-15% by weight of at least one chloride selected from the group con... | 05/31/2005 |
| 6867344 | Absorbent article with fluid treatment agent A personal care absorbent article, such as a sanitary pad or napkin, wound dressing, and the like having one or more layers of absorbent material treated with a red blood cell lysing agent and a gelling agent. The effect of combining a lysing agent that thins menses... | 03/15/2005 |
| 6846770 | Highly active supported catalyst compositions This invention relates to metallocene catalyst compositions which are highly active for the polymerization of olefins, particularly prochiral α-olefins. The catalyst compositions contain at least one metallocene, and least one activator and a support that has been ... | 01/25/2005 |
| 6838004 | Nanopore reactive adsorbents for the high-efficiency removal of waste species A nanoporous reactive adsorbent incorporates a relatively small number of relatively larger reactant, e.g., metal, enzyme, etc., particles (10) forming a discontinuous or continuous phase interspersed among and surrounded by a continuous phase of smaller adso... | 01/04/2005 |
| 6806227 | Solid materials for removing metals and fabrication method Solid materials have been developed to remove contaminating metals and organic compounds from aqueous media. The contaminants are removed by passing the aqueous phase through the solid materials which can be in molded, granular, or powder form. The solid materials a... | 10/19/2004 |
| 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 |
| 6712974 | Filterable composite adsorbents This invention relates to filterable composite adsorbents comprising one or more adsorbent components and one or more filtration components, and methods for preparing and using same. More particularly, this invention pertains to filterable composite adsorbents and f... | 03/30/2004 |
| 6696002 | Co-continuous interconnecting channel morphology polymer having modified surface properties The present invention includes a composition having a co-continuous interconnecting channel morphology. These co-continuous interconnecting channels are predominately occupied with a polymer and particles that control the surface properties of the composi... | 02/24/2004 |
| 6689715 | Tethered polymer ligands This invention relates to improved porous solid supports for chromatography and catalysis. The supports are prepared by covalently binding a tether polymer to a solid support, and then blocking the remainder of the support surface with a blocking reagent.... | 02/10/2004 |
| 6667272 | Highly active supported catalyst compositions This invention relates to metallocene catalyst compositions which are highly active for the polymerization of olefins, particularly prochiral -olefins. The catalyst compositions contain at least one metallocene, and least one activator and a suppor... | 12/23/2003 |
| 6649083 | Combined porous organic and inorganic oxide materials prepared by non-ionic surfactant templating route A synthetic, semi-crystalline, porous inorganic oxide composition containing a reactive organic silane moiety which on the surface of pore walls. The composition is prepared from a poly(oxyalkylene) based surfactant and a hydrolyzable organic silane. The ... | 11/18/2003 |
| 6645908 | Sol-gel derived sorbents Described is a method for producing copolymerized sol-gel derived sorbent particles for the production of copolymerized sol-gel derived sorbent material. The method for producing copolymerized sol-gel derived sorbent particles comprises adding a basic sol... | 11/11/2003 |
| 6638354 | Precipitated silicas, silica gels with and free of deposited carbon from caustic biomass ash solutions and processes Disclosed are amorphous precipitated silicas, silica gels, and amorphous carbons derived from biomass and methods of producing them with and without adhered or deposited amorphous carbons produced by acidifying a caustic silicate solution produced by caus... | 10/28/2003 |
| 6613405 | Monolithic composition having the capability of maintaining constant relative humidity in a package The present invention generally related to a monolithic composition comprising a water insoluble polymer and a deliquescent material. A deliquescent material is blended into the polymer so that the deliquescent material is distributed within the product. ... | 09/02/2003 |
| 6602919 | Method for preparing hydrous zirconium oxide gels and spherules Methods for preparing hydrous zirconium oxide spherules, hydrous zirconium oxide gels such as gel slabs, films, capillary and electrophoresis gels, zirconium monohydrogen phosphate spherules, hydrous zirconium oxide spherules having suspendable particles ... | 08/05/2003 |
| 6528441 | Hydrogen storage composition and method A hydrogen storage composition based on a metal hydride dispersed in an aerogel prepared by a sol-gel process. The starting material for the aerogel is an organometallic compound, including the alkoxysilanes, organometals of the form M(OR)x and MOxRy, whe... | 03/04/2003 |
| 6524372 | Silica gel incorporating polyazacycloalkane structural units A novel compound which can be used in the field of separation and purification of gases is disclosed. The compound can be incorporated into a silica gel incorporating polyazacycloalkane structural units for separating a predetermined gas from a mixture of... | 02/25/2003 |
| 6495257 | Fine particulate silica gel and fine particulate silica gel internally containing microparticles of a metal compound Fine particulate silica gel having the following characteristics (1) to (3): (1) average particle size: from 1 to 200 μm; (2) oil absorption in accordance with JIS K5101: from 100 to 300 ml/100 g; and (3) hygroscopicity represented by moisture adsorption unde... | 12/17/2002 |
| 6479300 | Metal loaded ligand bound membranes for metal ion affinity chromatography Methods, compositions and devices for purifying polypeptides and/or proteins using metal loaded ligand bound membranes by metal ion affinity chromatography are described.... | 11/12/2002 |
| 6468329 | Adsorbents and methods for the separation of ethylene and propylene and/or unsaturated hydrocarbons from mixed gases Adsorbents useful in the selective adsorption of unsaturated hydrocarbons, the manufacture of the adsorbents, and processes for the separation of unsaturated hydrocarbons using the adsorbents.... | 10/22/2002 |
