Patents in Class 502/173

Matches 1 - 50 out of 69

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Match	Document	Document Title
1	7629285	Carbon-based composite electrocatalysts for low temperature fuel cells A process for synthesis of a catalyst is provided. The process includes providing a carbon precursor material, oxidizing the carbon precursor material whereby an oxygen functional group is...
2	7618915	Composite catalysts supported on modified carbon substrates and methods of making the same A method of producing a composite carbon catalyst is generally disclosed. The method includes oxidizing a carbon precursor (e.g., carbon black). Optionally, nitrogen functional groups can be added...
3	7615509	High activity supported distillate hydroprocessing catalysts Supported metallic catalysts comprised of a Group VIII metal, a Group VIB metal, and an organic additive, and methods for synthesizing supported metallic catalysts are provided. The catalysts are...
4	7605106	Telomerization of dienes Alkadienes may be telomerized in the presence of a heterogeneous catalyst comprising an alumina or titania support which is modified with one or more ionic complexes of Pd or Pt and activated at a...
5	7585406	Process for hydroconverting of a heavy hydrocarbonaceous feedstock A Process for hydroconverting of a heavy hydrocarbonaceous feedstock comprising a catalyst to produce lower boiling hydrocarbon products. The method can be used for the high- boiling point residues...
6	7569508	Reforming nanocatalysts and method of making and using such catalysts Reforming nanocatalysts are formed using a dispersing agent to increase the activity, selectivity and longevity of the catalyst when used in a reforming process. The nanocatalyst particles are...
7	7534741	Supported nanocatalyst particles manufactured by heating complexed catalyst atoms Methods for manufacturing supported catalysts and the use of these catalysts in, e.g., the direct synthesis of hydrogen peroxide. The nanocatalyst particles are manufactured from catalyst atoms...
8	7488698	Microencapsulated metal catalyst A microencapsulated Group VIII metal catalyst which is stable even in air, easy to recover, and reusable is disclosed. It comprises a polymer with side chains containing an aromatic substituent,...
9	7470646	Polymer incarcerated Lewis acid metal catalyst The objective is to incarcerate a Lewis acid metal in a polymer and to make this catalyst recoverable while maintaining its function as a Lewis acid metal catalyst. The present invention is a...
10	7449423	Heat treatment of anchored nanocatalysts in a non-zero oxidation state and catalysts made by such method A catalyst manufacturing process includes heat treating an intermediate catalyst composition that includes catalyst nanoparticles having catalyst atoms in a non-zero oxidation state bonded to a...
11	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°...
12	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...
13	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...
14	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...
15	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...
16	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,...
17	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.
18	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...
19	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...
20	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...
21	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 m 2 /g and a monomodal or polymodal pore size distribution having a mean pore diameter...
22	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...
23	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...
24	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...
25	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...
26	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...
27	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...
28	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(C 2 H 5 O) 2 (CO 2 ) n in ethanol and processes for their preparation, wherein (1) the...
29	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...
30	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...
31	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...
32	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.
33	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...
34	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....
35	5063189	Raney catalyst composition A Raney catalyst composition comprises Raney metal coated with fatty monoglyceride.
36	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...
37	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...
38	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...
39	4980327	Reduced and stabilized hydrogenation catalysts Transition metal on an inert stable carrier hydrogenation catalysts are stabilized with a coating of a fatty amine and an alkane wherein the fatty amine-alkane coating has a melting point of about...
40	4900713	Stabilizing spent hydrotreating catalyst for reprocessing or storage A method of stabilizing pyrophoric hydrotreating catalyst drums has been discovered. The dry catalyst is introduced into drums which have been purged with an inert gas such as nitrogen or carbon...
41	4857492	Transition metal organosols stabilized by organometallic polymers A polymer stabilized colloidal transition metal solution wherein the monomer unit of the polymer has the chemical formula R x MO, where M is a metal, R is an alkyl group, and x is two less than...
42	4837189	Surfactant modified metal catalysts Surfactant-modified metal catalysts which can be used in a process for hydrogenating mediators.
43	4808562	Process for activating and stabilizing catalyst compositions A process for the production of catalyst materials stabilized in the active state, comprising activating the catalyst starting materials in a reducing gas atmosphere, impregnating the activated...
44	4794098	Process for the stabilization of activated catalyst masses A process for the stabilization of particulate, activated catalyst masses after the activation of the starting catalyst masses in a gas stream, wherein the particulate, activated catalyst masses...
45	4746459	Self-dispersing tin oxide sols An aqueous sol composition from the group consisting of antimony and tin sols useful in restoring the activity of metal contaminated molecular sieve cracking catalysts which comprises a major...
46	4567156	Oil soluble chromium catalyst A catalyst is prepared by adding a water soluble aliphatic polyhydroxy compound such as a polyhydroxy alcohol or a carbohydrate (e.g., sucrose) to an aqueous solution of chromic acid and...
47	4472513	Laser-synthesized catalysts A solid catalyst material is evaporated from a coating on a transparent solid substrate and is condensed onto a solid polymeric organic catalyst carrier or into a liquid, by passing a laser beam...
48	4397766	Solubilized chromium salt in particulate support A chromium salt such as ammonium chromate or ammonium dichromate, which is normally insoluble in nonaqueous solvents which do not easily rehydrate the silica surface is solubilized, for instance by...
49	4394293	Catalyst for the photolytic production of hydrogen from water A catalytic dispersion of fine metal particles mediates the photodissociation of water into hyrogen gas. A protective agent adsorptive to said particles and selected from among homopolymers,...
50	4326989	Catalyst of nickel compound and ligand in presence of a reducing metal Aryl and heteroaryl mono chlorides are coupled in an aprotic solvent under an inert atmosphere by a catalyst mixture of a nickel compound and a ligand in the presence of a reducing metal.

Matches 1 - 50 out of 69

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