Patents by Inventor Bernard Juguin
Bernard Juguin 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: 5227557Abstract: For the aromatization of hydrocarbons containing 2 to 4 carbon atoms per molecule in the presence of a specific and preferably acid catalyst, the catalyst contains an MFI zeolite in which is introduced at least one noble metal from the platinum family and at least one additional metal chosen from within the group consisting of tin, germanium, lead and indium, and the catalyst optionally contains an amorphous matrix.Type: GrantFiled: August 30, 1991Date of Patent: July 13, 1993Assignee: Institut Francais Du PetroleInventors: Jean-Paul Bournonville, Francis Raatz, Bernard Juguin, deceased
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Patent number: 5215950Abstract: The invention relates to a catalyst and a catalytic process for the aromatization of hydrocarbons containing 2 to 4 carbon atoms per molecule.The catalyst contains a MFI zeolite and an amorphous matrix containing at least one noble metal from the platinum family, at least one additional metal chosen from tin, germanium, lead and indium and at least one alkali metal or alkaline earth metal.Type: GrantFiled: May 22, 1991Date of Patent: June 1, 1993Inventors: Jean-Paul Bournonville, Francis Raatz, Bernard Juguin, deceased, by Jeannine Juguin, legal representative, by Sylvie Juguin, legal representative
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Patent number: 5185486Abstract: The benzene content of hydrocarbon gasolines is accomplished by (a) fractionating at least one hydrocarbon gasoline into a light fraction A, with an increased benzene content, and a heavy fraction B, with a reduced benzene content; (b) contacting the light fraction A at a temperature below room temperature with a gas containing at least a fraction of olefins in which the number of carbon atoms is from 2 to 5 per molecule so that at least a fraction of said olefins is absorbed in light fraction A; at the end of stage (b), separating a residual gas with a reduced olefin content from a liquid fraction C, with an increased olefin content; (d) passing the fraction C from stage (c) into an alkylation reactor so that at least a fraction of the benzene is alkylated by at least a fraction of the olefins; (e) fractionating the mixture emerging from stage (d) so as to produce, firstly, a gas phase chiefly comprising gases which were not converted during stage (d) and, secondly, a liquid phase, at least partly containingType: GrantFiled: August 21, 1990Date of Patent: February 9, 1993Assignee: Institut Francais du PetroleInventors: Jean-Claude Collin, Bernard Juguin, deceased, Joseph Larue, Alexandre Rojey
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Patent number: 5177280Abstract: The invention relates to a process for producing an alkylbenzene from benzene and an aliphatic mono-olefin in the presence of a catalyst based on a dealuminized Y zeolite with a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 ranging from 8 to 70, the product of this reaction being afterwards fractionated into a first fraction containing non converted benzene and a mono-alkylbenzene and a second fraction containing a poly-alkylbenzene, said second fraction reacting then with benzene in the presence of a catalyst based on a dealuminized mordenite with a total atomic ratio Si/Al ranging from 30 to 80. The invention especially applies to the production of ethylbenzene and cumene respectively from ethylene and propene.Type: GrantFiled: June 7, 1990Date of Patent: January 5, 1993Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Pierre Dufresne, Francis Raatz, Germain Martino
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Patent number: 5160497Abstract: Phenol production process wherein:1) benzene is reacted with propene and isopropylic alcohol by contacting a catalyst based on a dealuminized Y zeolite with a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio ranging from 8 to 70, then the obtained product is fractionated into a first fraction comprising non converted benzene, a second fraction comprising cumene and a third fraction comprising polyisopropylbenzenes,2) said third fraction is reacted with benzene by contacting a catalyst based on a dealuminized Y zeolite with a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio ranging from 8 to 70 or based on a dealuminized mordenite with a total Si/Al atomic ratio ranging from 20 to 60, and cumene is collected,3) the obtained cumene is converted into a mixture of acetone and phenol,4) the obtained acetone is at least partly hydrogenized into an isopropylic alcohol which is then recycled at least partly to stage 1.Type: GrantFiled: December 19, 1990Date of Patent: November 3, 1992Assignee: Institut Francais du PetroleInventors: Bernard A. Juguin, Jean-Paul Boitiaux, Germain J. Martino
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Patent number: 5138113Abstract: The invention relates to a process for producing alkylaromatic hydrocarbons from natural gas containing methane, characterized in that it comprises the following three successive stages:1) thermal cracking of the natural gas with forming of hydrogen and C.sub.2.sup.30 hydrocarbons, particularly ethylene and acetylene,2) separation of the C.sub.2.sup.+ hydrocarbons, particularly of the ethylene and the acteylene, obtained at the end of stage 1), by cooled absorption in a solvent,3) conversion of the C.sub.2.sup.+ hydrocarbons from stage 2) into alkylaromatics.The obtained alkylaromatics can be used as a base for premium gasoline.Type: GrantFiled: November 27, 1990Date of Patent: August 11, 1992Assignee: Institut Francais du PetroleInventors: Bernard A. Juguin, Jean-Claude P. S. Collin, Joseph Y. M. Larue, Christian R. Busson
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Patent number: 4902847Abstract: Preparation of oligomers of C.sub.2 to C.sub.8 olefins useful in gasoline, yet fuel and diesel fuel is disclosed. The oligomerization is catalyzed by a modified mordenite in the H or NH.sub.4 + to form which has been sequentially treated with steam and an acid.Type: GrantFiled: September 16, 1988Date of Patent: February 20, 1990Assignee: Institut Francais Du PetroleInventors: Bernard Juguin, Francis Raatz, Christine Travers, Germain Martino
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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: 4435274Abstract: Residual oils from steam-cracking or catalytic cracking, oils from coal liquefaction and oils from bituminous sands and shales are converted to gasoline by a process comprising the fractionation of the feed charge to a naphtha and a middle distillate: the naphtha, admixed with a gasoline cut "E", is hydrotreated and then dehydrogenated to gasoline; the middle distillate is hydrotreated and fractionated to gasoline and a heavier fraction, the heavier fraction is hydrocracked and fractionated, thus producing a gasoline cut which constitutes the above cut "E".Type: GrantFiled: September 28, 1982Date of Patent: March 6, 1984Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean-Pierre Franck, Yves Jacquin, Christian Marcilly, Germain Martino
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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: 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: 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: 4268700Abstract: Lead free gasoline of high octane number is obtained from C.sub.3 and C.sub.4 olefinic cuts as follows: propylene contained in the C.sub.3 cut is oligomerized, at least 80% of the isobutene and less than 40% of the n-butenes of the C.sub.4 cut are oligomerized to form an oligomerizate distilling in the gasoline range, which is separated from the unreacted C.sub.4 hydrocarbons, the latter are subsequently alkylated to form a gasoline fraction which can be admixed with the oligomerizates of the C.sub.3 and the C.sub.4 cuts to produce the desired high octane gasoline.Type: GrantFiled: September 28, 1979Date of Patent: May 19, 1981Assignee: Institut Francais du PetroleInventors: Quang Dang Vu, Bernard Juguin, Bernard Torck, Michel Hellin
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Patent number: 4254294Abstract: Process for polymerizing olefinic hydrocarbons at a temperature from 0.degree. to 90.degree. C., preferably from 20.degree. to 80.degree. C. in the presence of a catalyst containing aluminum oxide and, per part by weight thereof, boron oxide in a proportion of 0.01 to 1, preferably 0.07 to 0.15 part by weight and halogen in a proportion of 0.5 to 20%, preferably 4 to 12%, said catalyst resulting from the reaction of an aluminum compound of formula AlX.sub.y R.sub.(3-y) where X is halogen, R is a hydrocarbon radical and y is selected from 1, 3/2, 2 and 3, with a carrier containing aluminum oxide and boron oxide in a proportion to aluminum oxide from 1 to 100%.Type: GrantFiled: November 21, 1979Date of Patent: March 3, 1981Assignee: Institut Francais du PetroleInventors: Bernard Juguin, Jean-Pierre Franck, Jean-Francois Le Page, Gabriel de Gaudemaris
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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