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| Number | Title | Issue Date |
| 7361625 | Photocatalyst producing method, photocatalyst, and gas purifier A carrier supporting titania thereon is further caused to carry a metal compound thereon. This metal compound is hydrogen reduced in a heating atmosphere at a first treatment temperature, then oxidized in a heating atmosphere at a second treatment temperature not hi... | 04/22/2008 |
| 7354650 | Multi-layer coatings with an inorganic oxide network containing layer and methods for their application Multi-layer coatings are disclosed that include (1) a first layer comprising an inorganic oxide network, and (2) a second layer applied over at least a portion of the first layer, wherein the second layer is deposited from at least one liquid composition that is hyd... | 04/08/2008 |
| 7354624 | Multi-layer coatings and related methods Multi-layer coatings are disclosed that include (a) a first layer deposited from at least one composition that includes a polymeric composition, and (b) a second layer applied over at least a portion of the first layer in which the second layer is deposited from at ... | 04/08/2008 |
| 7341977 | Method of sorbing sulfur compounds using nanocrystalline mesoporous metal oxides Compounds and methods for sorbing organosulfur compounds from fluids are provided. Generally, compounds according to the present invention comprise mesoporous, nanocrystalline metal oxides. Preferred metal oxide compounds either exhibit soft Lewis acid properties or... | 03/11/2008 |
| 7273828 | Catalyst treatment useful for aromatics conversion process A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a solid-acid support such as mordenite, which has been treated with a sulfur-b... | 09/25/2007 |
| 7253136 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/07/2007 |
| 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 |
| 7148179 | Catalyst support A catalyst support is produced by mixing particulate synthetic silica with 0.5–10 parts by weight of one or more particulate oxides or phosphates of the elements of group IIA, IIIB, IVB, VA, VIB, VIIB, VIII, IB, IIB, IIIA, IVA and lanthanides or precursors thereof... | 12/12/2006 |
| 7135206 | Coated titanium dioxide particles A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system urease/urea is used. Said coated titanium dioxide particles can have an ave... | 11/14/2006 |
| 6998359 | Article and process for maintaining orientation of a fiber reinforced matt layer in a sandwiched urethane construction A multiple layer fiber reinforced material and method of constructing the same including the provision of a first layer of a roll lofted glass material. Optional variants include the pre-application of plywood, OSB or fiber reinforced cement board materials prior to... | 02/14/2006 |
| 6995113 | Catalysts which are based on organic-inorganic hybrid materials containing noble metals and titanium and which are used for selectively oxidizing hydrocarbons The present invention relates to noble metal-containing catalysts which are composed of at least one organic/inorganic hybrid material which is composed of at least one titanium component and at least one Si—H group. The catalysts of the present invention have inc... | 02/07/2006 |
| 6989345 | Catalyst support A catalyst support is produce by mixing particulate synthetic silica with 0.5–10 parts by weight of one or more particulate oxides or phosphates of the elements of group IIA, IIIB, IVB, VA, VIB, VIIB, VIII, IB, IIB, IIIA, IVA and lanthanides or precursors thereof,... | 01/24/2006 |
| 6977235 | Catalyst systems comprising a calcined chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst According to an embodiment, catalyst systems for polymerizing olefins include a catalyst comprising chromium and a cocatalyst comprising a substituted or unsubstituted non-transition metal cyclopentadienyl compound (Cp). The catalyst also comprises an inorganic oxid... | 12/20/2005 |
| 6958375 | Chromium support-agglomerate-transition metal polymerization catalysts and processes utilizing same The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a chromium immobilize... | 10/25/2005 |
| 6956006 | Modified titanium dioxide and a method for its preparation The invention relates to a composite material comprising silicon and titanium dioxide characterized by an enhanced thermal and hydrothermal stability of the pore structure. The composite is obtainable by precipitating titanium hydroxide from an aqueous solution cont... | 10/18/2005 |
| 6927261 | Method of making supported transition metal polymerization catalysts and compositions formed therefrom The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a Lewis acid support-... | 08/09/2005 |
| 6887822 | Method for making silica supported, crush-resistant catalysts A method for making a silica supported catalyst involves impregnating a silica component with a catalytic metal using an aqueous, alkaline bath before drying. More specifically, the method involves forming and washing a silica component, such as a silica gel or a co... | 05/03/2005 |
| 6833089 | Article having photocatalytic activity A surface of a glass plate is coated with a first n-type semiconductor film which is a 50 nm-thick niobium oxide film as a primer layer. The primer layer is coated with a 250 nm-thick photocatalyst film comprising titanium oxide. Thus, an article having a photocatal... | 12/21/2004 |
| 6600011 | Process for purification and drying of polymer hydrogels This invention relates to a method for purifying and drying a polymer hydrogel. This invention is based in part upon the discovery that rapid drying of polymer hydrogels can eliminate the problem of unacceptable levels of soluble oligomers caused by prolo... | 07/29/2003 |
| 6537442 | Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements The invention pertains to a cogel comprising oxidic compounds of one or more trivalent metallic elements selected from the group of aluminum, borium, gallium, chromium, iron, cobalt, manganese, vanadium, molybdenum, tungsten, indium, rhodium, scandium, or... | 03/25/2003 |
| 6521808 | Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes The present invention includes a sol-gel supported catalyst for the dehydrogenation of lower alkanes, the catalyst comprising at least one active metal and at least one promoter metal attached to a sol-gel mixed oxide support. The sol-gel mixed oxide supp... | 02/18/2003 |
| 6432869 | Moldings including pyrogenic mixed oxide and the use thereof Moldings are disclosed for use as a catalyst or catalyst support for hydrating olefin, such as ethylene and propylene. The moldings are based on a pyrogenically produced mixed oxide having the following physicochemical parameters: External d... | 08/13/2002 |
| 6407033 | Photocatalytic coating composition and photocatalyst-bearing structure The present invention relates to photocatalyst-carrying structures which can be used particularly in an environment of high temperature and humidity or outdoor environment requiring alkali resistance and also to composites of photocatalyst coating materia... | 06/18/2002 |
| 6329315 | Frangible, spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon Frangible, spray dried agglomerate catalyst supports are provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, rough, scabrous appearance, and interstitial void spaces which penetrate the agglomerate surface and are... | 12/11/2001 |
| 6323147 | Titanium-containing silicon oxide catalyst A titanium-containing silicon oxide catalyst satisfying all of the following conditions (1) to (4): (1): an average pore size of 10 Å or more, (2): a pore size of 90% or more of the total pore volume of 5 to 200 Å, (3): a specific pore volume of 0.2 cm3 | 11/27/2001 |
| 6313061 | Method of making frangible spray dried agglomerated supports and olefin polymerization catalysts supported thereon A method of making frangible, spray dried agglomerate catalyst supports is provided, e.g. of silica gel, which possess a controlled morphology of microspheroidal shape, preferably a rough, scabrous appearance, and interstitial void spaces which penetrate ... | 11/06/2001 |
| 6278009 | Heterogeneous catalyst components for olefins polymerization, preparation process and use thereof It is shown metallocenes with functionalized bridge of formula ##STR1## wherein M represents a transition metal of groups 3, 4, 5 or 6, L represents cyclopentadienyl-type ligands, Y represents a halogen and which can own one or various bridges between uni... | 08/21/2001 |
| 6235677 | Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids A process is disclosed for producing hydrocarbons by contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comprising hydro... | 05/22/2001 |
| 6228480 | Photocatalyst-carrying structure and photocatalyst coating material The present invention provides a photocatalyst-carrying structure which has a structure, wherein an adhesive layer is provided in between a photocatalyst layer and a substrate, the adhesive layer is composed of silicon-modified resin, polysiloxane-contain... | 05/08/2001 |
| 6124235 | Accelerator system for crosslinking polymers which harden on exposure to the moisture in air An accelerator system for the cold crosslinking of polymers which harden on exposure to moisture by hydrolysis/condensation, comprising: (C) x parts by weight of a catalyst for crosslinking the said polymers by polycondensation, x ranging from 0.01 to 10;... | 09/26/2000 |
| 6121187 | Amorphous, microporous mixed oxide catalysts with controlled surface polarity for selective heterogeneous catalysis, adsorption and material separation The present invention relates to amorphous microporous mixed oxides, characterized by having, in dried form, a narrow pore size distribution (half width | 09/19/2000 |
| 5935895 | Heterogeneous catalysts A silica-titania mixed oxide catalyst and its method of manufacture is disclosed. Such catalysts can be used especially to catalyze the epoxidation of olefinically unsaturated compounds with organic hydroperoxides.... | 08/10/1999 |
| 5919726 | Method for producing photocatalyst material A primary object of the present invention is to easily and securely fix a photocatalyst to a substrate. According to the invention, there is provided a process for preparing a photocatalyst material, the process comprising a first step of forming an under... | 07/06/1999 |
| 5914291 | Porous inorganic catalyst support Olefin polymerisation catalyst on a porous inorganic support comprising (i) 99.5 to 83.3 parts by weight of SiO2, (ii) 0.5 to 10 parts by weight of Titanium and 0.85 to 1.15 parts by weight of chromium, this catalyst having a pore volume of 0.9... | 06/22/1999 |
| 5789336 | Micro-mesoporous gel and process for its preparation Micro-mesoporous gel consisting of a silica matrix possibly wherein one or more metal oxides selected from transition metals or metals belonging to groups IIIA, IVA and VA are uniformly dispersed, characterized by a monomodal porosity distribution.... | 08/04/1998 |
| 5677257 | Hydrogenation catalyst with improved attrition resistance and heat dissipation A catalyst support includes substantially spherical particles of a substantially homogeneous mixture of at least two compounds selected from the group consisting of refractory inorganic oxides, refractory inorganic carbides, refractory inorganic nitrides ... | 10/14/1997 |
| 5587349 | Process for preparing silica-titania catalyst A process for preparing a silica-titania catalyst by adding an acidic solution containing a silicon compound such as sodium silicate and a titanium compound such as titanium sulfate dissolved therein to a solution of a compound such as ammonium bicarbonat... | 12/24/1996 |
| 5583085 | Preparation of dehydroxylated supports Dehydroxylated oxide (e.g. silica) particles are obtained by reacting oxide particles, having surface hydroxyl groups, with a dialkylcarbonate or diarylcarbonate. The resulting products have surface alkoxy or aryloxy groups and significantly reduced hydro... | 12/10/1996 |
| 5576262 | Glycol ether compounds for the production of polyolefin catalysts and supports A method of making chromium containing oxide gel-based catalyst wherein an oxide hydrogel is convened to a xerogel by azeotropic distillation of a mixture of said hydrogel and an organic solvent, the improvement comprising impregnating the gel with a chro... | 11/19/1996 |
| 5538931 | Transition metal aerogel-supported catalyst A process for preparing a supported catalyst comprising a transition metal selected from palladium, platinum, nickel, cobalt or copper on an aerogel support, which includes the steps of providing a mixture containing an alkoxide precursor of the aerogel, ... | 07/23/1996 |
