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| Number | Title | Issue Date |
| 7632774 | Method for manufacturing supported nanocatalysts having an acid-functionalized support Supported catalysts include an inorganic solid support such as silica that is functionalized to have inorganic acid functional groups attached thereto. The functionalization of the support material is optimized by (i) limiting the amount of water present during the ... | 12/15/2009 |
| 7347974 | Materials, method and apparatus for detection and monitoring of chemical species A method for investigating a target environment to determine whether or in what amount a chemical species may be present therein, which comprises: (a) exposing to said environment an article of manufacture comprising a multiplicity of particles in close-packed orien... | 03/25/2008 |
| 7270694 | Stabilized silver nanoparticles and their use A process comprising: reacting a silver compound with a reducing agent comprising a hydrazine compound in the presence of a thermally removable stabilizer in a reaction mixture comprising the silver compound, the reducing agent, the stabilizer, and an optional solve... | 09/18/2007 |
| 7259100 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7259101 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7244688 | Method for in situ immobilization of water-soluble nanodispersed metal oxide colloids The invention relates to heterogeneous catalysts which are particularly easy to produce. Said heterogeneous catalysts are generated by immobilizing preformed monometallic or multimetallic metal oxide particles in situ on an oxidic or non-oxidic carrier, wherefore me... | 07/17/2007 |
| 7214599 | High yield method for preparing silicon nanocrystal with chemically accessible surfaces Silicon nanocrystals with chemically accessible surfaces are produced in solution in high yield. Silicon tetrahalide such as silicon tetrachloride (SiCl4) can be reduced in organic solvents, such as 1,2-dimethoxyethane(glyme), with soluble reducing agents... | 05/08/2007 |
| 7119236 | Method of preparing alkoxylation catalysts and their use in alkoxylation processes A process for preparing an alkoxylation catalyst suitable for alkoxylating compounds that includes mixing a calcium-containing compound in a dispersing medium having a boiling point less that 160° C. with a carboxylic acid and an inorganic acid or anhydride. ... | 10/10/2006 |
| 7078276 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 07/18/2006 |
| 7037946 | Zero-valent metal emulsion for reductive dehalogenation of DNAPLs A zero-valent metal emulsion is used to dehalogenate solvents, such as pooled dense non-aqueous phase liquids (DNAPLs), including trichloroethylene (TCE). The zero-valent metal emulsion contains zero-valent metal particles, a surfactant, oil and water. The preferred... | 05/02/2006 |
| 6989348 | Mixed metal catalyst comprising a combustible binder, its process of preparation and use The present invention pertains to a catalyst composition comprising at least one non-noble Group VIII metal component, at least two Group VIB metal components, and at least about 1 wt. % of a combustible binder material selected from combustible binders and precurso... | 01/24/2006 |
| 6929675 | Synthesis metal nanoparticle A method for providing an anhydrous route for the synthesis of amine capped coinage-metal (copper, silver, and gold) nanoparticles (NPs) using the coinage-metal mesityl (mesityl=C6H2(CH3)3-2,4,6) derivatives. In this metho... | 08/16/2005 |
| 6762146 | Vanadium phosphorous mixed oxide A novel intercalation compound is provided, in which compound monohydric alcohol is intercalated between layers of a layered compound comprising vanadium, phosphorus and oxygen as primary components, characterized in that the monohydric alcohol is aliphatic secondar... | 07/13/2004 |
| 6531304 | Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids The present invention relates to a process for modifying the dispersing properties of organometallic-prestabilized or organometallic-pretreated nanometal colloids by reacting reactive metal-carbon bonds in the protective shell to prepare nanometal colloid... | 03/11/2003 |
| 6492295 | Composite catalyst for solid polymer electrolyte type fuel cell and processes for producing the same A composite catalyst which comprises a catalyst particle and at least one member selected from the group consisting of a porous or net-form cation-exchange resin and a porous or net-form hydrophobia polymer, wherein the resin and polymer exist on the surf... | 12/10/2002 |
| 6462095 | Polymer-stabilized metal colloid solutions, method for producing said solutions and use of the same as catalysts for fuel cell Polymer-stabilized metal colloid solutions, process for preparing them and their use as catalysts for fuel cells. Process for preparing metal colloid solutions by reacting a platinum compound and, if desired, one or more compounds of Rh, Ru, Ir or Pd with... | 10/08/2002 |
| 6303535 | Process for reducing oxidic hydrogenation catalysts A nickel-containing hydrogenation catalyst is prepared by reducing nickel-containing catalyst material in the liquid phase in a single-stage process by means of hydrogen.... | 10/16/2001 |
| 6072064 | Process for the interesterification of triglycerides The invention relates to a process for the catalytic interesterification of triglycerides, which is characterized in that a heterogeneous catalyst is used, based on one or more oxides and/or oxysalts of metals of the groups IA and IIA of the Periodic Syst... | 06/06/2000 |
| 6054507 | Metal-organic polymer composite structure and production thereof There are disclosed a metal-organic polymer composite structure, particularly a porous metal-organic polymer composite structure, for use as functional materials such as catalysts, and a method for producing the structure. The composite structure is compo... | 04/25/2000 |
| 6051614 | Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound Disclosed is a method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound, which comprises contacting an aqueous dispersion of particles of a metal and/or a metal compound with a water-immiscible, non-aqueous liquid in t... | 04/18/2000 |
| 5935897 | Monomodal and polymodal catalyst supports and catalysts having narrow pore size distributions and their production Monomodal or polymodal catalyst supports or catalysts having a BET specific surface area of from 0.01 to 250 m2 /g and a monomodal or polymodal pore size distribution having a mean pore diameter of from 50 to 300,000 nm measured by the mercury ... | 08/10/1999 |
| 5935898 | Monomodal and polymodal catalyst supports and catalysts having narrow pore size distributions and their production Monomodal or polymodal catalyst supports or catalysts having a BET specific surface area of from 0.01 to 250 m2 /g and a monomodal or polymodal pore size distribution having a mean pore diameter of from 50 to 300,000 nm measured by the mercury ... | 08/10/1999 |
| 5888923 | Modified Raney nickel catalyst and a process for preparing diols by using the same The present invention relates to a modified Raney nickel catalyst which can serves as hydrogenation catalyst for hydroxy aldehydes, such as 4-hydroxy-butanal, and 2-methyl-3-hydroxypropanal and hydroxy cyclic ethers such as 2-hydroxy-tetrahydrofuran. Furt... | 03/30/1999 |
| 5861354 | Soluble magnesium catalyst for preparation of dihydroxy esters A catalyst and process for preparation of dihydroxy esters from specified hydroxy aldehydes is disclosed. In one embodiment, a catalyst liquid is provided which comprises from 10 percent to 60 percent magnesium salt of a specified alkanoic acid or acids, ... | 01/19/1999 |
| 5731460 | Oxidative cleavage of alkenes with a catalyst system containing a source of molybdenum, a source of rutlenium and a phase transfer agent A catalyst system and process for the oxidative cleavage of alkenes with hydrogen peroxide is provided. The catalyst system comprises a source of ruthenium, a source of molybdenum and a phase transfer agent. The process comprises contacting an alkene with... | 03/24/1998 |
| 5679235 | Titanium and cerium containing acidic electrolyte An electrolyte contains a tetravalent salt of titanium and a trivalent salt of cerium in a methanesulfonic acid solution. A reducing agent consisting of trivalent titanium and an oxidizing agent consisting of tetravalent cerium are provided in the same so... | 10/21/1997 |
| 5580492 | Microcrystalline-to-amorphous metal and/or alloy powders dissolved without protective colloid in organic solvents The invention relates to a process for the preparation of finely divided microcrystalline-to-amorphous metal and/or alloy powders and of metals and/or alloys in the form of colloidal solutions in organic solvents, which is process is characterized in that... | 12/03/1996 |
| 5474977 | Catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks A catalyst prepared by the steps which comprise: (a) adding to an asphaltene-containing hydrocarbonaceous oil charge stock a heteropoly acid and a sulfide or a salt of a metal selected from Group IV through Group VIII and mixtures thereof and water; (b) c... | 12/12/1995 |
| 5456801 | Storage-stable solutions of carbonated magnesium ethylate in ethanol and their preparation and use The invention relates to storage-stable solutions of carbonated magnesium ethylate of the formula Mg(C2 H5 O)2 (CO2)n in ethanol and processes for their preparation, wherein (1) the magnesium content ... | 10/10/1995 |
| 5409581 | Tetravalent titanium electrolyte and trivalent titanium reducing agent obtained thereby An electrolyte containing a tetravalent salt of titanium in a methanesulfonic acid solution. A reducing agent consisting of trivalent titanium in the same solution. A cell wherein the catholyte is the above electrolyte. The reduction of tetravalent titani... | 04/25/1995 |
| 5288681 | Catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks A catalyst prepared by the steps which comprise: (a) adding to an asphaltene-containing hydrocarbonaceous oil charge stock a metal compound, a heteropoly acid and water; (b) converting the metal compound and heteropoly acid within the charge stock by heat... | 02/22/1994 |
| 5283217 | Production of highly dispersed hydrogenation catalysts A novel micro-emulsion is described which is useful as a hydrogenation catalyst. The highly dispersed hydrogenation catalyst is prepared by forming an aqueous solution of a salt of a transition metal and a surfactant, adding this solution to heated petrol... | 02/01/1994 |
| 5171727 | Method of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks A catalyst prepared by the steps which comprise: (a) adding to an asphaltene-containing hydrocarbonaceous oil charge stock a metal compound, a heteropoly acid and water; (b) converting the metal compound and heteropoly acid within the charge stock by heat... | 12/15/1992 |
| 5160452 | Stable Group VIII metallic colloidal dispersion A metallic colloidal dispersion obtained by reducing a metal of Group VIII of the Periodic Table in a mixed solvent system comprising lower alcohols and aprotic polar compounds.... | 11/03/1992 |
| 5147841 | Method for the preparation of metal colloids in inverse micelles and product preferred by the method A method is provided for preparing catalytic elemental metal colloidal particles (e.g. gold, palladium, silver, rhodium, iridium, nickel, iron, platinum, molybdenum) or colloidal alloy particles (silver/iridium or platinum/gold). A homogeneous inverse mic... | 09/15/1992 |
| 5124301 | Highly alkaline transesterification catalyst, e.g., alkali metal alkoxide, protected by fatty acid esters Highly alkaline transesterification catalysts like alkali metal alkoxides, which are not stable in the atmosphere, are stabilized by surrounding them with fatty acid esters of volatile alcohols. These fatty acid esters of volatile alcohols are preferably ... | 06/23/1992 |
| 5063189 | Raney catalyst composition A Raney catalyst composition comprises Raney metal coated with fatty monoglyceride.... | 11/05/1991 |
| 5039643 | Method for the production of catalytically active coatings for the production of hydrogen cyanide A method for the production of catalytically active coatings on shaped articles of aluminum oxide for the production of hydrogen cyanide according to the BMA method. A suspension is used for the coating which suspension contains at least one platinum meta... | 08/13/1991 |
| 5004830 | Process for oxidation of alkyl aromatic compounds A process is disclosed for liquid phase oxidation of alkyl aromatic hydrocarbons to aromatic carboxylic acids in presence of a multivalent catalyst promoted by a source of bromine. The oxidation is conducted in at least two oxidation reactions. Exothermic... | 04/02/1991 |
| 4994422 | Microspheres coated with catalyst and methods of producing same Means and methods of producing catalytically coated microspheres of hydrocarbon fuel in a tower into which precharged free floating initially frozen globules of hydrocarbon fuel are drawn through a catalytic plasma field by an attracting electrostatic for... | 02/19/1991 |
