Patents by Inventor Jean Miquel
Jean Miquel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4544791Abstract: The invention relates to a process for producing premium gasoline from olefinic C.sub.4 cuts containing 1- and 2-butenes and isobutene, the process consisting of converting at least 97% of the total isobutene content of the charge and at least the major portion of the 1- and 2-butenes thereof to C.sub.4 hyrocarbons dimers and trimers without producing substantial amounts of kerosene, said process being characterized in that, in a first step, the olefinic C.sub.4 cut is treated in a first polymerization catalytic zone so as to convert at least 80% of the isobutene to isobutene dimers and trimers and to convert at most 45% of the mixture of 1- and 2-butenes to dimers and trimers thereof, in that, subsequently, the effluent from said first catalytic polymerization zone is fractionated so as to recover, on the one hand, from the column bottom, essentially the C.sub.Type: GrantFiled: June 22, 1984Date of Patent: October 1, 1985Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean Miquel
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Patent number: 4498907Abstract: Process for the production of a liquid effluent comprising at least 75% of aromatic hydrocarbons from a naphtha feed charge of high sulfur, nitrogen or oxygen content; said process comprises two steps: (a) hydrotreatment of the charge to decrease its sulfur, nitrogen or oxygen content to selected values, and (b) dehydrogenation of the product of step (a) in the presence of a supported catalyst whose neutralization heat by ammonia adsorption is lower than about 40 joules per gram at 300 mm Hg.Type: GrantFiled: June 30, 1982Date of Patent: February 12, 1985Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Germain Martino, Jean Miquel
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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: 4434315Abstract: Process for isomerizing linear ethylenic hydrocarbons to branched ethylenic hydrocarbons having the same number of carbon atoms in the molecule, in the presence of steam and of a catalyst containing alumina, silica and a metal or compound of a metal selected from chromium, palladium, nickel, copper and silver at critical concentrations of silica and of metal, and with a critical proportion of water with respect to the hydrocarbons.Type: GrantFiled: May 21, 1982Date of Patent: February 28, 1984Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean Miquel
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Patent number: 4423264Abstract: Highly pure 1-butene and premium gasoline are obtained by(a) subjecting a C.sub.4 olefinic cut to a polymerization-disproportionation to partly convert the isobutene thereof to a gasoline which, in turn, by partial disproportionation, yields a jet fuel base and butenes,(b) fractionating the effluent from step (a) to a mixture (.alpha.) of gasoline and jet fuel base and to a fraction (.beta.) containing isobutane, n-butane, butenes, a small amount of isobutene and a minor amount of butadiene,(c) selectively polymerizing fraction (.beta.) to convert more than 90% of the isobutene thereof to gasoline,(d) fractionating the polymerized fraction (.beta.) to a gasoline cut (.gamma.) containing isobutene dimers and trimers and to a fraction (.delta.) containing isobutane, n-butane and butenes,(e) selectively hydrogenating the fraction (.delta.),(f) removing isobutane from the hydrogenated fraction (.delta.) and(g) fractionating the deisobutanized hydrogenated fraction (.delta.Type: GrantFiled: June 25, 1982Date of Patent: December 27, 1983Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean Cosyns, 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: 4395580Abstract: Process for producing very pure olefins of the formula ##STR1## by decomposition of the corresponding ethers of formula ##STR2## wherein R.sub.1 and R.sub.3 are selected from the group of the alkyl, arylalkyl aryl or alkylaryl radicals, R and R.sub.2 being a hydrogen atom or a radical selected from said above mentioned group, in the presence of steam in a molar proportion from 2 to 8 times the ether amount and with the use of a catalyst comprising alumina to which is added 0.01 to 5% by weight of titanium or zirconium or hafnium as metal or as metal compound, said catalyst having a specific surface from 80 to 300 m.sup.2 /g.Type: GrantFiled: October 29, 1981Date of Patent: July 26, 1983Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean Miquel, Michel Hellin, Bernard Torck
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Patent number: 4392002Abstract: A C.sub.4 cut is upgraded according to the following steps:(a) the dried C.sub.4 cut is polymerized in the presence of fluorinated alumina, boron-alumina or silica-alumina, to convert at least 95% of isobutene to dimers and trimers, the conversion of the normal butenes being at most 3%,(b) the whole polymerization effluent is hydro-isomerized in the presence of a group VIII metal catalyst, to isomerize at least 90% of the 1-butene of said effluent,(c) the hydro-isomerization effluent is fractionated and a resultant fraction is alkylated.Resultant alkylate and mixture of dimers and trimers can be mixed and used as gasoline.Type: GrantFiled: October 16, 1981Date of Patent: July 5, 1983Assignee: Institut Francais du PetroleInventors: Jean Cosyns, Bernard Juguin, Jean-Francois Le Page, Jean Miquel
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Patent number: 4380673Abstract: A secondary alcohol dissolved in a C.sub.12 to C.sub.20 paraffinic hydrocarbon substantially free of aromatics and of sulfur is dehydrogenated to the corresponding ketone at a temperature of 170.degree.-230.degree. C. in the presence of a catalyst of the Raney nickel type containing from 0.1 to 10% by weight of an additional metal consisting of copper, silver, gold, tin, lead, zinc, cadmium, indium or germanium, the ketone being preferably removed, as it is formed, from the reaction medium. A catalyst for use in the present process is provided.Type: GrantFiled: June 26, 1981Date of Patent: April 19, 1983Assignee: Institut Francais Du PetroleInventors: Jean-Paul Bournonville, Roger Snappe, Jean Miquel, Germain Martino
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Patent number: 4324646Abstract: A process is provided for selectively polymerizing isobutene in an olefinic C.sub.4 cut comprising isobutene and normal butenes by contacting the cut with a catalyst consisting essentially of silica-alumina; whereby at least 90% of the isobutene and less than 10% of the normal butenes in the cut are converted.Type: GrantFiled: August 21, 1980Date of Patent: April 13, 1982Assignee: Institute Francais du PetroleInventors: Jean-Francois Le Page, Jean Cosyns, Jean Miquel, Bernard Juguin
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Patent number: 4324938Abstract: Process for upgrading an olefinic C.sub.4 cut issued from a cracking or steam cracking unit, comprising subjecting said cut to isomerization conditions so as to convert at least 80% of its 1-butene content to 2-butenes, subjecting the so-treated C.sub.4 cut to polymerization conditions so as to convert at least 90% of its isobutene content to isobutene dimers and trimers without substantially converting the normal butenes, separating the isobutene dimers and trimers, alkylating the remaining fraction and fractionating the latter to an alkylate, L P G and an isobutane containing fraction.Type: GrantFiled: August 21, 1980Date of Patent: April 13, 1982Assignee: Institut Francais du PetroleInventors: Jean Cosyns, Bernard Juguin, Jean-Francois Le Page, Jean Miquel
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Patent number: 4277369Abstract: A catalyst for the steam dealkylation of aromatic hydrocarbons, comprising a carrier and 3 metals, is regenerated in the reaction zone containing the catalyst bed, after disconnection of said zone from the producing unit, by proceeding to the successive steps of: scavenging said zone with hydrogen and then with an inert gas, progressively replacing said inert gas by a gas containing molecular oxygen, burning the catalyst at a temperature lower than 650.degree. C. so as to calcine the carbon deposits of the catalyst, passing through the catalyst bed an air stream containing halogen to increase the halogen content of the catalyst, calcining by means of an air stream at a temperature of 300.degree.-600.degree. C. and purging with an inert gas before reconnecting said reaction zone to the producing unit.Type: GrantFiled: November 29, 1979Date of Patent: July 7, 1981Assignee: Institut Francais du PetroleInventors: Philippe Courty, Jean Miquel, Germain Martino, Alain Convers
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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: 4244806Abstract: A C.sub.4 olefinic cracking cut is subjected first to catalytic polymerization and then to fractionation: the resultant isobutene dimers and trimers fraction is hydrogenated, while the remainder is alkylated. The resultant product is a gasoline of high isooctane content.Type: GrantFiled: March 30, 1979Date of Patent: January 13, 1981Assignee: Institut Francais du PetroleInventors: Jean-Francois Le Page, Jean Cosyns, Jean Miquel, Bernard Juguin
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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: 4239652Abstract: Catalyst for a process of hydroreforming or aromatic hydrocarbon production, comprising an alumina carrier, at least one noble metal of the platinum family, antimony, a metal selected from gallium, indium and thallium and halogen, said catalyst being used in a series of successive reaction zones as a moving bed, transferred from one reaction zone to the next, from the last reaction zone to a regeneration zone and from the latter to the first reaction zone, said process being preferably conducted at a temperature from 510.degree. to 600.degree. C. and under a pressure from 1 to 18 kg/cm.sup.2.Type: GrantFiled: June 29, 1979Date of Patent: December 16, 1980Assignee: Institut Francais du PetroleInventors: Jean-Francois Le Page, 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: 4201661Abstract: Aromatic hydrocarbons of high purity are produced from saturated or unsaturated gasolines and hydrogen in the presence of a new catalyst containing alumina, platinum, at least one metal selected from the group consisting of iridium, rhodium and palladium and at least one metal selected from the group consisting of copper, silver and gold.Type: GrantFiled: March 26, 1974Date of Patent: May 6, 1980Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean-Francois Le Page, Jean Miquel
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Patent number: 4197185Abstract: Process for producing butane and gasoline of high isooctane content, from a C.sub.4 olefin cut issued from a steam cracking unit, comprising the steps of:polymerizing at least 90% of the isobutene of the cut mainly to dimers and trimers thereof,hydrogenating the resulting polymerization mixture to normal butane, isooctane and isododecane,supplying the effluent from the hydrogenation unit to a separation zone to recover a gaseous fraction and a liquid mixture, andfractionating the liquid mixture to separate gasoline of high isooctane content, a C.sub.3.sup.- fraction and a butane fraction which is recycled to the steam cracking unit.Type: GrantFiled: August 25, 1978Date of Patent: April 8, 1980Assignee: Institut Francais du PetroleInventors: Jean-Francois Le Page, Jean Cosyns, Jean Miquel, Bernard Juguin