Sanjay Chaturvedi
Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song, Dominique Hung Nhu Le, Elsie Mae Vickery: Promoted multi-metal oxide catalyst. Rohm and Haas Company, Alan Holler, June 18, 2002: US06407280 (23 worldwide citation)

A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.

Melanie Kitson, Peter S Williams: Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters. The British Petroleum Company, Brooks Haidt Haffner & Delahunty, September 22, 1992: US05149680 (209 worldwide citation)

Catalyst composition comprising an alloy of at least one noble metal of group VIII of the Periodic Table and at least one metal capable of alloying with the group VIII noble metal, admixed with a component comprising at least one of the metals rhenium, tungsten or molybdenum, used for producing an a ...

Melanie Kitson, Peter S Williams: Catalyst for the production of alcohols by hydrogenation of carboxylic acids and process for the preparation of the catalyst. BP Chemicals, Brooks Haidt Haffner & Delahunty, October 29, 1991: US05061671 (173 worldwide citation)

An improved catalyst comprising a Group VIII noble metal, such as palladium, and rhenium is supported on a high surface area graphitized carbon. In an embodiment the Group VIII metal, e.g., palladium, has an average crystallite size in the range from 30 to 150 Angstroms. A process for making a catal ...

Carl D Keith, William R Larsen, Thomas Shimrock: Catalyst compositions and the method of manufacturing them. Engelhard Minerals & Chemicals Corporation, October 16, 1979: US04171288 (137 worldwide citation)

Catalysts are disclosed which have good activity and life when used to promote the conversion of hydrocarbons, carbon monoxide and nitrogen oxides contained in small concentrations in gaseous streams, to obtain the less noxious materials, carbon dioxide, water and nitrogen. The catalysts contain a c ...

Pfefferle William C: Catalytically-supported thermal combustion. Engelhard Minerals & Chemicals Corporation, December 30, 1975: US3928961 (121 worldwide citation)

A method for the catalytically-supported thermal combustion of carbonaceous fuel comprising the adiabatic combustion of at least a portion of the fuel admixed with air in the presence of a solid oxidation catalyst at an operating temperature substantially above the instantaneous auto-ignition temper ...

Charles E Thompson, John J Mooney, Carl D Keith, William A Mannion: Polyfunctional catalysts. Engelhard Minerals & Chemicals Corporation, June 5, 1979: US04157316 (108 worldwide citation)

This invention provides polyfunctional catalysts comprising a composite of platinum and one or more of rhodium, ruthenium and iridium, a substantially larger quantity of one or more base metal oxides in which the metal is selected from the group consisting of metals having an atomic number from 25 t ...

Mclachlan Kenneth Alan, Williams Peter Sefton: Ester production by hydrogenation of carboxylic acids and anhydrides.. Bp Chem Int, British Petroleum Co, December 5, 1990: EP0400904-A1 (90 worldwide citation)

Carboxylic acid esters are produced from the corresponding C2 to C12 carboxylic acids or anhydrides by hydrogenation at elevated temperature, in the presence of a catalyst comprising (a) an alloy of a Group VIII noble metal and (b) an oxide of a Group IVb element, preferably titania. A preferred cat ...

Gilbert Blanchard, Jean Pierre Brunelle, Michel Prigent: Pollution control catalyst for internal combustion engine exhaust system/catalytic converter and process for its preparation. Pro Catalyse, Burns Doane Swecker & Mathis, January 8, 1985: US04492769 (83 worldwide citation)

A pollution control catalyst for a catalytic converter within the exhaust system of an internal combustion engine is facilely prepared by (i) coating/impregnating a catalyst support with palladium and at least one base metal catalyst, (ii) activating the step (i) catalyst, (iii) next coating/impregn ...

Howard L Mitchell III, Robert H Waghorne: Catalysts for the conversion of relatively low molecular weight hydrocarbons to higher molecular weight hydrocarbons and the regeneration of the catalysts. Exxon Research & Engineering Co, Llewellyn A Proctor, December 16, 1980: US04239658 (76 worldwide citation)

Novel regenerable catalyst-reagents, and a new and improved process utilizing said regenerable catalyst-reagents, for the conversion, and oligomerization of hydrocarbons, notably methane, at relatively low temperatures to produce products rich in ethylene or benzene, or both, usually in admixture wi ...

Yoshihiro Suzuki, Hiroo Kinoshita, Naomi Akasaka: Catalyst for purifying exhaust gas and the process for manufacturing thereof. Toyota Jidosha Kogyo Kabushiki Kaisha, Oblon Fisher Spivak McClelland & Maier, June 23, 1981: US04274981 (74 worldwide citation)

A catalyst for purifying exhaust gas composed of a catalyst carrier coated with a metal oxide material containing a spinel metal oxide of the formula: MAl.sub.2 O.sub.4 wherein M is Sr, Mg, Cu, Mn, Mo, Zn, Fe, Co or Ni the metal oxide coated carrier further being coated with rhodium and platinum and ...