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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 (172 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 ...


2
Melanie Kitson, Peter S Williams: Alcohols production by hydrogenation of carboxylic acids. BP Chemicals, Brooks Haidt Haffner & Delahunty, February 14, 1989: US04804791 (171 worldwide citation)

Ethanol is produced from acetic acid or propanol is produced from propionic acid by contacting either acetic acid or propionic acid in the vapor phase with hydrogen at elevated temperature and a pressure in the range from 1 to 150 bar in the presence of a catalyst comprising as essential components ...


3
Jean Claude Chinh, Andre Dumain: Process for the gas-phase polymerization of olefins in a fluidized-bed reactor. BP Chemicals, Brooks Haidt Haffner & Delahunty, July 2, 1991: US05028670 (171 worldwide citation)

The present invention relates to a process and apparatus for the gas-phase polymerization of olefins in a fluidized-bed reactor maintained at a temperature T1. A gaseous reaction mixture comprising the olefins to be polymerized passes through the reactor and is recycled to the reactor by means of a ...


4
Melanie Kitson, Peter S Williams: Alcohols production by hydrogenation of carboxylic acids. BP Chemicals, Brooks Haidt Haffner & Delahunty, October 11, 1988: US04777303 (168 worldwide citation)

An alcohol and/or a carboxylic acid ester is (are) produced from a C.sub.2 to C.sub.12 carboxylic acid by contacting the carboxylic acid at elevated temperature and pressure with hydrogen in the presence of a heterogeneous catalyst characterized in that the catalyst comprises a first component which ...


5
Melanie Kitson, Peter S Williams: Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters. The British Petroleum Company, BP Chemicals, Brooks Haidt Haffner & Delahunty, January 15, 1991: US04985572 (162 worldwide citation)

An alcohol and/or a carboxylic acid ester is produced from a carboxylic acid or anhydride thereof by reacting the acid or anhyride with hydrogen at elevated temperature in the presence as catalyst of a composition comprising an alloy of (i) at least one noble metal of Group VIII of the Periodic Tabl ...


6
Melanie Kitson, Peter S Williams: Alcohols production by hydrogenation of carboxylic acids. BP Chemicals, Brooks Haidt Haffner & Delahunty, February 5, 1991: US04990655 (151 worldwide citation)

Ethanol is produced from acetic acid or propanol is produced from propionic acid by contacting either acetic acid or propionic acid in the vapor phase with hydrogen at elevated temperature and a pressure in the range from 1 to 150 bar in the presence of a catalyst comprising as essential components ...


7
Melanie Kitson, Peter S Williams: Catalyst for the production of an alcohol and/or a carboxylic acid ester by hydrogenation of a carboxylic acid. BP Chemicals, Brooks Haidt Haffner & Delahunty, May 2, 1989: US04826795 (128 worldwide citation)

An alcohol and/or a carboxylic acid ester is (are) produced from a C.sub.2 to C.sub.12 carboxylic acid by contacting the carboxylic acid at elevated temperature and pressure with hydrogen in the presence of a heterogeneous catalyst characterized in that the catalyst comprises a first component which ...


8
Jean Claude Chinh, Michel C H Filippelli, David Newton, Michael B Power: Polymerization process. BP Chemicals, Finnegan Henderson Farabow Garrett & Dunner, July 30, 1996: US05541270 (112 worldwide citation)

The invention relates to continuous gas fluidized bed polymerization of olefins, especially ethylene, propylene, or mixtures of these with other alpha olefins, wherein the monomer-containing recycle gas employed to fluidize the bed is cooled to condense out at least some liquid hydrocarbon. The cond ...


9
William J Bartley, Simon Jobson, Gordon G Harkreader, Melanie Kitson, Michael F Lemanski: Catalysts and processes for the manufacture of vinyl acetate. BP Chemicals, Brooks Haidt Haffner & Delahunty, February 9, 1993: US05185308 (106 worldwide citation)

A shell impregnated catalyst for use in the production of vinyl acetate from ethylene, acetic acid and an oxygen containing gas is provided. The catalyst has a productivity of greater than 661 grams of vinyl acetate per hour per liter of catalyst at 150.degree. C. and consists essentially of:


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