Patents by Inventor Virginio Arrigoni
Virginio Arrigoni 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).
-
Patent number: 7754637Abstract: The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VI B and optionally one or more oxides as carrier. The catalytic system of the present invention can be used for the hydrotreating of hydrocarbon mixtures and more specifically in the upgrading of hydrocarbon mixtures having boiling ranges within the range of 35° to 250° C., containing sulfur impurities, i.e. in hydrodesulfuration with contemporaneous skeleton isomerization and a reduced hydrogenation degree of olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step.Type: GrantFiled: December 6, 2006Date of Patent: July 13, 2010Assignees: AGIP Petroli S.p.A., Enitecnologie S.p.A.Inventors: Laura Zanibelli, Marco Ferrari, Virginio Arrigoni
-
Publication number: 20070084756Abstract: The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VI B and optionally one or more oxides as carrier. The catalytic system of the present invention can be used for the hydrotreating of hydrocarbon mixtures and more specifically in the upgrading of hydrocarbon mixtures having boiling ranges within the range of 35° to 250° C., containing sulfur impurities, i.e. in hydrodesulfuration with contemporaneous skeleton isomerization and a reduced hydrogenation degree of olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step.Type: ApplicationFiled: December 6, 2006Publication date: April 19, 2007Applicants: AGIP PETROLI S.p.A., ENITECNOLOGIE S.p.A.Inventors: Laura ZANIBELLI, Marco FERRARI, Virginio ARRIGONI
-
Patent number: 7196029Abstract: The present invention relates to the use of a catalytic system comprising a metal of group VIII, a metal of group VI, a metal oxide as carrier and suitable quantities of a component selected from a zeolite of the FER type, phosphorous, and a mixture thereof, in upgrading of hydrocarbons boiling in the naphtha range containing sulfur impurities, namely in hydrodesulfurization with contemporaneous skeleton isomerization of olefins contained in said hydrocarbons and/or with reduction of olefins hydrogenation, carried out in a single step.Type: GrantFiled: April 7, 2004Date of Patent: March 27, 2007Assignees: Enitechnologie S.p.A., Repsol Petroleo S.A., Elf Antar France S.A., AGIP Petroli S.p.A.Inventors: Laura Zanibelli, Virginio Arrigoni, Fernando Albertos, Evangelina Atanes, Thierry Cholley, Febronio Panarello
-
Patent number: 7160439Abstract: A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step. The process is carried out in the presence of a catalytic system comprising a metal of group VI B, a metal of group VIII and a carrier of acid nature consisting of a mesoporous silico-alumina.Type: GrantFiled: February 13, 2004Date of Patent: January 9, 2007Assignees: AgipPetroli S.p.A., EniTecnologie S.p.A.Inventors: Laura Maria Zanibelli, Virginio Arrigoni, Marco Ferrari, Donatella Berti
-
Patent number: 7157397Abstract: A process is described for the synthesis of mesitylene, characterized in that mesitylene is obtained starting exclusively from pseudocumene, without the use of any other chemical compound, operating in continuous, at a temperature ranging from 225 to 400° C., at a pressure ranging from 1 to 50 bar, at a weight space velocity ranging from 0.1 to 10 hours?1, and in the presence of a catalyst containing a zeolite selected from ZSM-5 zeolite having a crystal lattice based on silicon oxide and aluminum oxide, and ZSM-5 zeolite modified by the partial or total substitution of Si with a tetravalent element such as Ti or Ge and/or the partial or total substitution of Al with other trivalent elements, such as Fe, Ga or B.Type: GrantFiled: February 26, 2004Date of Patent: January 2, 2007Assignees: Polimeri Europa S.p.A., Enitecnologie S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Robert{dot over (o)} Buzzoni, Franco Rivetti, Giovanni Antonio Fois, Caterina Rizzo, Virginio Arrigoni
-
Patent number: 7156980Abstract: The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VI B and optionally one or more oxides as carrier. The catalytic system of the present invention can be used for the hydrotreating of hydrocarbon mixtures and more specifically in the upgrading of hydrocarbon mixtures having boiling ranges within the range of 35° to 250° C., containing sulfur impurities, i.e. in hydrodesulfuration with contemporaneous skeleton isomerization and a reduced hydrogenation degree of olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step.Type: GrantFiled: July 15, 2004Date of Patent: January 2, 2007Assignees: Agip Petroli S.p.A., Enitechnologie S.p.A.Inventors: Laura Zanibelli, Marco Ferrari, Virginio Arrigoni
-
Patent number: 6949687Abstract: A process is described for the contemporaneous preparation of mesitylene and durene, characterized in that mesitylene and durene are obtained exclusively starting from pseudo-cumene without the use of any further chemical compound, operating in continuous, at a temperature ranging from 210 to 400° C., at a pressure ranging from 1 to 50 bar, with a weight space velocity ranging from 0.1 to 20 hours?1 and in the presence of a catalyst based on crystalline metal-silicates in acid form. After the recovery of mesitylene and durene from the reaction raw product, some of the remaining components of the raw product itself are recycled and fed to the reactor together with the pseudo-cumene.Type: GrantFiled: December 17, 2003Date of Patent: September 27, 2005Assignees: Polimeri Europa S.p.A., Enitecnologie S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Franco Rivetti, Caterina Rizzo, Virginio Arrigoni, Carlo Perego
-
Patent number: 6908880Abstract: A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step. The process is carried out in the presence of a catalytic system comprising a metal of group VIB, a metal of group VIII and a carrier of acid nature consisting of a mesoporous silico-alumina.Type: GrantFiled: May 21, 2002Date of Patent: June 21, 2005Assignees: AgipPetroli S.p.A., EniTechnologie S.p.A.Inventors: Laura Maria Zanibelli, Virginio Arrigoni, Marco Ferrari, Donatella Berti
-
Publication number: 20040248726Abstract: The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VI B and optionally one or more oxides as carrier. The catalytic system of the present invention can be used for the hydrotreating of hydrocarbon mixtures and more specifically in the upgrading of hydrocarbon mixtures having boiling ranges within the range of 35° to 250° C., containing sulfur impurities, i.e. in hydrodesulfuration with contemporaneous skeleton isomerization and a reduced hydrogenation degree of olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step.Type: ApplicationFiled: July 15, 2004Publication date: December 9, 2004Applicants: AGIP PETROLI S.p.A., ENITECNOLOGIE S.p.A.Inventors: Laura Zanibelli, Marco Ferrari, Virginio Arrigoni
-
Publication number: 20040222132Abstract: A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step. The process is carried out in the presence of a catalytic system comprising a metal of group VI B, a metal of group VIII and a carrier of acid nature consisting of a mesoporous silico-alumina.Type: ApplicationFiled: February 13, 2004Publication date: November 11, 2004Applicant: ENITECHNOLOGIE S.p.A.Inventors: Laura Maria Zanibelli, Virginio Arrigoni, Marco Ferrari, Donatella Berti
-
Publication number: 20040225170Abstract: A process is described for the synthesis of mesitylene, characterized in that mesitylene is obtained starting exclusively from pseudocumene, without the use of any other chemical compound, operating in continuous, at a temperature ranging from 225 to 400° C., at a pressure ranging from 1 to 50 bar, at a weight space velocity ranging from 0.1 to 10 hours−1, and in the presence of a catalyst containing a zeolite selected from ZSM-5 zeolite having a crystal lattice based on silicon oxide and aluminum oxide, and ZSM-5 zeolite modified by the partial or total substitution of Si with a tetravalent element such as Ti or Ge and/or the partial or total substitution of Al with other trivalent elements, such as Fe, Ga or B.Type: ApplicationFiled: February 26, 2004Publication date: November 11, 2004Applicants: POLIMERI EUROPA S.p.A., ENITECNOLOGIE S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Franco Rivetti, Giovanni Antonio Fois, Caterina Rizzo, Virginio Arrigoni
-
Patent number: 6803337Abstract: The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VIB and optionally one or more oxides as carrier. The catalytic system of the present invention can be used for the hydrotreating of hydrocarbon mixtures and more specifically in the upgrading of hydrocarbon mixtures having boiling ranges within the range of 35° to 250° C., containing sulfur impurities, i.e. in hydrodesulfuration with contemporaneous skeleton isomerization and a reduced hydrogenation degree of olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step.Type: GrantFiled: March 10, 2000Date of Patent: October 12, 2004Assignees: Agip Petroli S.p.A., Enitecnologie S.p.A.Inventors: Laura Zanibelli, Marco Ferrari, Virginio Arrigoni
-
Publication number: 20040192540Abstract: The present invention relates to the use of a catalytic system comprising a metal of group VIII, a metal of group VI, a metal oxide as carrier and suitable quantities of a component selected from a zeolite of the FER type, phosphorous, and a mixture thereof, in upgrading of hydrocarbons boiling in the naphtha range containing sulfur impurities, namely in hydrodesulfurization with contemporaneous skeleton isomerization of olefins contained in said hydrocarbons and/or with reduction of olefins hydrogenation, carried out in a single step.Type: ApplicationFiled: April 7, 2004Publication date: September 30, 2004Applicants: ENITECHNOLOGIE S.p.A., REPSOL PETROLEO S.A., Elf Antar France, AGIP PETROLI S.p.A.Inventors: Laura Zanibelli, Virginio Arrigoni, Fernando Albertos, Evangelina Atanes, Thierry Cholley, Febronio Panarello
-
Publication number: 20040127762Abstract: A process is described for the contemporaneous preparation of mesitylene and durene, characterized in that mesitylene and durene are obtained exclusively starting from pseudo-cumene without the use of any further chemical compound, operating in continuous, at a temperature ranging from 210 to 400° C., at a pressure ranging from 1 to 50 bar, with a weight space velocity ranging from 0.1 to 20 hours−1 and in the presence of a catalyst based on crystalline metal-silicates in acid form. After the recovery of mesitylene and durene from the reaction raw product, some of the remaining components of the raw product itself are recycled and fed to the reactor together with the pseudo-cumene.Type: ApplicationFiled: December 17, 2003Publication date: July 1, 2004Applicants: POLIMERI EUROPA S.p.A., ENITECNOLOGIE S.p.A.Inventors: Leonardo Dalloro, Alberto Cesana, Roberto Buzzoni, Franco Rivetti, Caterina Rizzo, Virginio Arrigoni, Carlo Perego
-
Patent number: 6746598Abstract: The present invention relates to the use of a catalytic system comprising a metal of group VIII, a metal of group VI, a metal oxide as carrier and suitable quantities of a component selected from a zeolite of the FER type, phosphorous, and a mixture thereof, in upgrading of hydrocarbons boiling in the naphtha range containing sulfur impurities, namely in hydrodesulfurization with contemporaneous skeleton isomerization of olefins contained in said hydrocarbons and/or with reduction of olefins hydrogenation, carried out in a single step.Type: GrantFiled: April 6, 2001Date of Patent: June 8, 2004Assignees: Enitecnologie S.p.A., Repsol Petroleo S.A., Elf Antar France S.A., AGIP Petroli S.p.A.Inventors: Laura Zanibelli, Virginio Arrigoni, Fernando Albertos, Evangelina Atanes, Thierry Cholley, Febronio Panarello
-
Publication number: 20030038059Abstract: A process is described for the upgrading of hydrocarbon mixtures which boil within the naphtha range containing sulfur impurities, i.e. a hydrodesulfuration process with contemporaneous skeleton isomerization and reduced hydrogenation degree of the olefins contained in said hydrocarbon mixtures, the whole process being carried out in a single step. The process is carried out in the presence of a catalytic system comprising a metal of group VI B, a metal of group VIII and a carrier of acid nature consisting of a mesoporous silico-alumina.Type: ApplicationFiled: May 21, 2002Publication date: February 27, 2003Applicant: AGIPPETROLI S.p.A.Inventors: Laura Maria Zanibelli, Virginio Arrigoni, Marco Ferrari, Donatella Berti
-
Patent number: 5650547Abstract: This invention provides a process for the selective production of cumene comprising reacting benzene with propylene in the presence of a type-Y zeolite modified by treatment with a phosphorous compound. This invention also provides a process for the transalkylation of a polyalkylated benzene which comprises reacting the polyalkylated benzene in the presence of benzene and a type-Y zeolite modified by treatment with a phosphorous compound.Type: GrantFiled: June 6, 1995Date of Patent: July 22, 1997Assignee: Ministero Dell `Universita` E Della Ricerca Scientifica E TechnologicaInventors: Fabrizio Cavani, Gianni Girotti, Virginio Arrigoni, Giuseppe Terzoni
-
Patent number: 5149896Abstract: A process for oligomerizing propylene is described, consisting of reacting said olefin in the presence of an X-ray amorphous alumina-silica gel catalyst with a silica/alumina molar ratio of between 30/1 and 500/1, a surface area of between 500 and 1000 m.sup.2 /g, a total pore volume of between 0.3 and 0.6 ml/g, an average pore diameter of the order of 10 .ANG. or less, and free or substantially free of pores with a diameter greater than 30 .ANG..Type: GrantFiled: June 14, 1991Date of Patent: September 22, 1992Assignee: Eniricerche S.p.A.Inventors: Giuseppe Bellussi, Fabrizio Cavani, Virginio Arrigoni, Roberto Ghezzi
-
Patent number: 4992608Abstract: Cumene is prepared by alkylation of benzene with propylene, or by transalkylation of diisopropylbenzenes in the presence of benzene, on a silica and alumina gel catalyst which is amorphous to X-rays and has an SiO.sub.2 /Al.sub.2 O.sub.3 ratio of between 50/1 and 300/1, a surface area of between 500 and 1000 m.sup.2 /g, an overall pore volume of between 0.3 and 0.6 ml/g and mean pore diameter of the order of 10 .ANG., and which is free or substantially free of pores having a diameter exceeding 30 .ANG..Type: GrantFiled: April 24, 1989Date of Patent: February 12, 1991Assignees: Enichem Synthesis SpA, Eniricerche SpAInventors: Fabrizio Cavani, Virginio Arrigoni