Patents Assigned to Catalyse
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Patent number: 4552650Abstract: A process for hydrotreating hydrocarbons uses a catalyst which comprises a carrier and at least one catalytic metal selected from vanadium, molybdenum, tungsten, nickel, cobalt and/or iron; this catalyst is in the form of a plurality of juxtaposed agglomerates of acicular platelets, oriented radially to each other. It is prepared from agglomerates of activated alumina subjected to reaction with an acid and a compound providing an anion able to combine with aluminum ions in solution.Type: GrantFiled: June 5, 1984Date of Patent: November 12, 1985Assignee: Societe Francaise des Produits pour Catalyse Pro-CatalyseInventors: Herve Toulhoat, Yves Jacquin, Thierry Dupin
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Patent number: 4548918Abstract: The invention concerns the manufacture of a solid acid catalyst comprising: (a) a carrier, (b) a metal of the platinum family and (c) an additional metal selected from tin, germanium and lead. Halogen may be present.The additional metal is added to the catalytic mass dissolved in a hydrocarbon solvent, in the form of an organometallic compound, for example tetrabutyl tin.The invention is particularly applicable to the manufacture of catalysts for hydrocarbon reforming or aromatic hydrocarbons production.Type: GrantFiled: May 4, 1984Date of Patent: October 22, 1985Assignee: Societe Francaise des Produits pour Catalyse Pro-CatalyseInventors: Jean-Paul Bournonville, Chan T. Dinh
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Patent number: 4547600Abstract: Process for the selective hydrogenation of the acetylenic hydrocarbons of a C.sub.4 hydrocarbons cut, containing butadiene and at least 1% by weight of acetylenic hydrocarbons, without substantial hydrogenation of butadiene, wherein said hydrocarbons cut in liquid phase and hydrogen are contacted with a supported catalyst containing 0.05 to 0.5% by weight of palladium and 0.05 to 1% by weight of silver, the Ag/Pd ratio by weight being at least 0.7.Type: GrantFiled: November 23, 1983Date of Patent: October 15, 1985Assignee: Societe Francaise des Produits pour Catalyse Pro-CatalyseInventors: Jean Cosyns, Jean-Paul Boitiaux
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Patent number: 4537875Abstract: Alumina, silica or silica-alumina containing catalysts are manufactured by incorporating at least one active element selected from the metals of the groups V, VI and VIII or their compounds to a carrier, and then drying and activating. The carrier or the catalyst is shaped into extrudates and the latter are crushed to coarse particles.Type: GrantFiled: December 27, 1983Date of Patent: August 27, 1985Assignee: Societe Francaise des Produits pour Catalyse Pro-CatalyseInventors: Herve Toulhoat, Jean-Claude Plumail, Marc Mercier, Yves Jacquin
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Patent number: 4533779Abstract: Supported palladium-gold catalyst of high resistance to poisoning by sulfur compounds, not subject to elution by vinylacetylene and not inducing a substantial formation of oligomers, for use in hydrogenation reactions wherein acetylenics and diolefins are selectively hydrogenated, said catalyst being obtained by the steps of: admixing a palladium compound with an inorganic carrier, roasting in the presence of an oxygen-containing gas, treating with a reducing agent, admixing a halogenated gold compound with the resulting composition, treating with a reducing agent, treating with a compound having a basic reaction so as to lower the halogen content of the catalyst below 10 ppm by weight, and roasting, in the presence of an oxygen-containing gas, the palladium and gold compounds being used in convenient proportions so that the catalyst contains 0.03 to 1% palladium and 0.003 to 0.3% gold by weight.Type: GrantFiled: November 20, 1984Date of Patent: August 6, 1985Assignee: Ste Francaise des Produits pour Catalyse chez Institut Francais du PetroleInventors: Jean-Paul Boitiaux, Jean Oosyns
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Patent number: 4510255Abstract: Supported catalysts for use in hydrocarbons hydrotreatments are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300.degree.-1000.degree. C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter of the balls. When the precursors are not present during the manufacture, they are added thereafter.Type: GrantFiled: October 21, 1983Date of Patent: April 9, 1985Assignee: Ste Francaise des Products pour Catalyse Pro-Catalyse chez Institut Francais du PetroleInventors: Herve Toulhoat, Jean-Claude Plumail, Marc Mercier, Yves Jacquin
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Patent number: 4499203Abstract: A catalyst for use in the hydrotreatment of hydrocarbons comprises a carrier and at least one catalytic metal selected from vanadium, molybdenum, tungsten, nickel, cobalt and/or iron; this catalyst is in the form of a plurality of juxtaposed agglomerates of acicular platelets, oriented radially to each other. It is prepared from agglomerates of activated alumina subjected to reaction with an acid and a compound providing an anion able to combine with aluminum ions in solution.Type: GrantFiled: June 17, 1983Date of Patent: February 12, 1985Assignee: Societe Francaise des Produits pour Catalyse Pro-CatalyseInventors: Herve Toulhoat, Yves Jacquin, Thierry Dupin
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Patent number: 4492769Abstract: 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/impregnating the step (ii) activated catalyst with at least one platinum group precious metal other than palladium, or combination of palladium and at least one other platinum group precious metal, and (iv) then activating the step (iii) catalyst.Type: GrantFiled: July 25, 1983Date of Patent: January 8, 1985Assignee: Pro-CatalyseInventors: Gilbert Blanchard, Jean-Pierre Brunelle, Michel Prigent
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Patent number: 4490481Abstract: Supported palladium-gold catalyst of high resistance to poisoning by sulfur compounds, not subject to elution by vinylacetylene and not inducing a substantial formation of oligomers, for use in hydrogenation reactions wherein acetylenics and diolefins are selectively hydrogenated, said catalyst being obtained by the steps of: admixing a palladium compound with an inorganic carrier, roasting in the presence of an oxygen-containing gas, treating with a reducing agent, admixing a halogenated gold compound with the resulting composition, treating with a reducing agent, treating with a compound having a basic reaction so as to lower the halogen content of the catalyst below 10 ppm by weight, and roasting, in the presence of an oxygen-containing gas, the palladium and gold compounds being used in convenient proportions so that the catalyst contains 0.03 to 1% palladium and 0.003 to 0.3% gold by weight.Type: GrantFiled: March 15, 1983Date of Patent: December 25, 1984Assignee: Ste Francaise des Produits pour Catalyse chez Institut Francais du PetroleInventors: Jean-Paul Boitiaux, Jean Cosyns
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Patent number: 4480048Abstract: New catalysts, useful for performing hydrocarbons conversions such as reforming, production of aromatics, isomerization of paraffinic and aromatic hydrocarbons, hydrocracking, hydrodealkylation and steam-dealkylation, are formed of a carrier such as alumina and active elements comprising a noble metal of the platinum family, titanium, at least one metal selected from manganese, technetium and rhenium, and halogen, said catalysts being advantageously used as a moving bed.Type: GrantFiled: May 24, 1983Date of Patent: October 30, 1984Assignee: Societe Francaise des Produits Pour Catalyse Pro-Catalyse chez Institute Francais Du PetroleInventors: Jean-Paul Bournonville, Jean Miquel
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Patent number: 4401557Abstract: Reforming process operated in the presence of a catalyst comprising a carrier, platinum, rhodium or osmium, an additional metal consisting of chromium, tungsten, molybdenum, manganese, rhenium, germanium, tin, gallium, indium, thallium, thorium, cerium, samarium, lanthanum, zinc, cadmium, titanium or zirconium, and halogen.Type: GrantFiled: September 24, 1975Date of Patent: August 30, 1983Assignee: Societe Francaise Des Produits Pour CatalyseInventors: Bernard Juguin, Germain Martino, Jean Miquel
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Patent number: 4395329Abstract: Hydrorefining of a hydrocarbon charge of high metal content with a catalyst containing alumina, a metal from group VI and a metal from the iron group, of a specific surface from 120 to 200 m.sup.2 /g, a total pore volume from 0.8 to 1.2 cc/g and a pore distribution as follows:0 to 10% of pores smaller than 100 A35 to 60% of pores from 100 to 600 A35 to 55% of pores greater than 600 A,including 10 to 25% of pores greater than 10,000 A, said catalyst optionally containing additionally an alkaline-earth metal.Type: GrantFiled: July 2, 1981Date of Patent: July 26, 1983Assignee: Societe Francaise des Produits pour CatalyseInventors: Jean-Francois Le Page, Alain Billon, Yves Jacquin
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Patent number: 4257920Abstract: Catalyst for producing hydrogen by reaction of carbon monoxide with water or for producing methanol by reaction of carbon monoxide with hydrogen, containing by weight 10-60% of copper oxide, 5-40% of zinc oxide, 1-20% of a rare earth metal oxide, 30-70% of aluminous cement and optionally 0.01-1% of a noble metal from group VIII.Type: GrantFiled: November 16, 1979Date of Patent: March 24, 1981Assignee: Societe Francaise des Produits pour CatalyseInventors: Andre Sugier, Philippe Courty, Edouard Freund
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Patent number: 4250056Abstract: Process for reforming hydrocarbons or producing aromatic hydrocarbons under severe operating conditions, in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina:(a) from 0.05 to 0.6% of platinum(b) from 0.01 to 2% of rhenium(c) from 0.05 to 3% of thallium or indium, and(d) from 0.1 to 10% of a halogen.Type: GrantFiled: January 15, 1980Date of Patent: February 10, 1981Assignee: Societe Francaise des Produits pour CatalyseInventors: Jean-Francois Le Page, Germain Martino, Jean Miquel
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Patent number: 4243516Abstract: Catalytic hydroreforming process, particularly for the production of gasoline of high clear octane number, comprising hydrogenating a hydrocarbon charge in the presence of a catalyst containing an alumina carrier, a first metal selected from ruthenium, iridium and rhodium, a second metal, different from the first metal, and selected from ruthenium, palladium and osmium, a third metal consisting of indium, and a halogen.Type: GrantFiled: December 6, 1977Date of Patent: January 6, 1981Assignee: Societe Francaise des Produits pour CatalyseInventors: Germain Martino, Jean Miquel
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Patent number: 4217205Abstract: Catalyst, particularly useful in catalytic reforming and for producing highly pure aromatic hydrocarbons, comprising an alumina carrier and containing, expressed in proportion of the weight of the alumina carrier:0.005 to 1% of platinum0.01 to 4% of gallium, indium or thallium0.01 to 2% of tungsten, and0.1 to 10% of halogen.Type: GrantFiled: August 25, 1978Date of Patent: August 12, 1980Assignee: Societe Francaise des Products pour CatalyseInventors: Christian Marcilly, Jean-Francois Le Page, Germain Martino, Jean Miquel
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Patent number: 4214980Abstract: Process for reforming hydrocarbons or producing aromatic hydrocarbons under severe operating conditions, in the presence of a catalyst comprising an alumina carrier and, expressed by weight with respect to alumina:(a) from 0.05 to 0.6% of platinum(b) from 0.01 to 2% of rhenium(c) from 0.05 to 3% of thallium or indium, and(d) from 0.1 to 10% of a halogen.Type: GrantFiled: December 9, 1977Date of Patent: July 29, 1980Assignee: Societe Francaise des Produits pour CatalyseInventors: Jean-Francois Le Page, Germain Martino, Jean Miquel
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Patent number: 4138443Abstract: A process for hydrodealkylating alkyl-substituted aromatic hydrocarbons, e.g., toluene, by reaction with hydrogen in the absence of water vapor under relatively mild reaction conditions, and a catalyst therefor are disclosed. The process is effected at a temperature of from about 450.degree. and 650.degree. C., preferably from about 520.degree. to 620.degree. C., and pressures of from about 1 to about 30, preferably from about 5 to about 20 bar, and a liquid hourly space velocity of from about 1 to about 10, preferably from about 3 to about 8, in the presence of a catalyst which comprises a metal combination of rhodium and at least one metal selected from the group consisting of copper, nickel, cobalt, iron, and zinc, and a support comprising activated alumina having a specific surface of between about 100 and about 350 m.sup.2 /g and a total pore volume of from about 0.5 to about 0.8 cm.sup.3 /g.Type: GrantFiled: June 20, 1977Date of Patent: February 6, 1979Assignee: Societe Francaise des Produits pour Catalyse "Procatalyse"Inventor: Jean-Pierre Brunelle
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Patent number: 4126581Abstract: Catalyst for the conversion of carbon monoxide in the presence of water, to produce hydrogen, or in the presence of hydrogen, to produce methanol, said catalyst containing 10 - 60% by weight of copper oxide, 5 - 40% by weight of zinc oxide and 30 - 70% by weight of aluminous cement, the total content of copper oxide and zinc oxide being from 30 to 70% by weight.Type: GrantFiled: May 27, 1977Date of Patent: November 21, 1978Assignee: Societe Francaise des Produits pour CatalyseInventors: Andre Sugier, Philippe Courty, Edouard Freund
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Patent number: 4085157Abstract: Hydrocarbons are dehydrocyclized to aromatics over a new catalyst comprising a carrier such for example as alumina, platinum, at least one metal selected from iridium, tungsten and ruthenium, cobalt, at least one metal selected from the group consisting of copper, manganese, silver and gold, and at least one halogen such for example as chlorine.Type: GrantFiled: February 22, 1977Date of Patent: April 18, 1978Assignee: Societe Francaise des Produits pour CatalyseInventors: Bernard Juguin, Jean Cosyns, Jean-Francois LePage, Jean Miquel