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Dominique Commereuc, Serge Boivineau, François Hugues, Lucien Saussine: Process for converting ethylene to light alpha olefins. Institut Francais du Petrole, Millen White Zelano & Branigan, April 24, 2001: US06221986 (35 worldwide citation)

A process for producing light alpha olefins by ethylene oligomerisation in contact with a catalyst produced by mixing a zirconium compound with an organic compound selected from the group formed by acetals and ketals, with an aluminum hydrocarbyl compound selected from the group formed by chlorine-c ...


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Charles Bronner, Alain Forestiere, François Hugues: Process for separation by settling in a plurality of distinct zones. Institut Francais du Petrole, Millen White Zelano & Branigan P C, March 20, 2001: US06203712 (27 worldwide citation)

A process for separating at least two liquid phases which are at least partially non miscible is characterized in that after reacting, a polyphase effluent is settled in at least two distinct settling zones arranged in parallel, each of these settling zones containing at least one settler. The feed ...


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Fabrice Diehl, François Hugues, Marie Claire Marion, Denis Uzio: Cobalt-based catalyst for fischer-tropsch synthesis. IFP Energies Nouvelles, ENI S p A, Millen White Zelano & Branigan P C, December 6, 2011: US08071655 (5 worldwide citation)

A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MxM′(1−x)Al2O4/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel st ...


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Dominique Commereuc, Alain Forestiere, François Hugues, Hélène Olivier: Catalytic composition and its application to olefin oligomerization. Institut Francais du Petrole, Millen White Zelano & Branigan P C, June 26, 2007: US07235703 (3 worldwide citation)

An improved catalytic composition for oligomerization, in particular dimerization, of monoolefins comprises the product resulting from bringing the following three constituents into contact in any order: a) at least one divalent nickel compound; b) at least one hydrocarbylaluminium dihalide, optiona ...


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Michel Dorbon, François Hugues, Jean Charles Viltard, Blaise Didillon, Alain Forestiere: Process for obtaining butene-1. Institut Francais du Petrole, Millen White Zelano & Branigan, June 5, 2001: US06242662 (3 worldwide citation)

For obtaining butene-1 from butene-2, a charge containing at least one of the isomers of butene-2 is introduced into a distillation zone linked to a hydro-isomerization zone. Part of the effluent from the bottom of the distillation column is removed from the distillation zone, heated in a heat excha ...


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Vincent Coupard, François Hugues, Dominique Commereuc, Béatrice Fischer, Pierre Boucot, Alain Forestiere: Alternated process for olefin metathesis. Institut Francais du Petrole, Millen White Zelano & Branigan P C, August 28, 2001: US06281402 (2 worldwide citation)

The present invention relates to a process for continuous metathesis or disproportionation of olefins, comprising at least 2 phases, a reaction phase a) carried out in a zone comprising at least one reactor containing at least one fixed bed of catalyst and a regeneration phase b) carried out in a zo ...


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Dominique Commereuc, Alain Forestiere, François Hugues, Hélène Olivier: Catalytic composition and its application to olefin oligomerization. Institut Francais du Petrole, Millen White Zelano Branigan P C, April 13, 2010: US07696397

An improved catalytic composition for oligomerization, in particular dimerization, of monoolefins comprises the product resulting from bringing the following three constituents into contact in any order: a) at least one divalent nickel compound; b) at least one hydrocarbylaluminium dihalide, optiona ...