Patents by Inventor Gianni Girotti
Gianni Girotti 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: 11459280Abstract: The present invention relates to a process for the production of olefinic compounds that can be used for the production of detergents, additives, lubricants and/or plastic materials, or components which can be used in the field of oil explorations and productions, and a hydrocarbon fuel or a fraction thereof, which comprises subjecting a mixture of glycerides having at least one unsaturated hydrocarbon chain, to metathesis reaction and, after separating the olefinic mixture obtained, effecting a hydrodeoxygenation and subsequently hydroisomerization process, so as to obtain the hydrocarbon fuel or a fraction thereof.Type: GrantFiled: February 12, 2021Date of Patent: October 4, 2022Assignee: versalis S.p.A.Inventors: Aldo Bosetti, Sergio Francantonio Lombardini, Gianni Girotti
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Publication number: 20210171420Abstract: The present invention relates to a process for the production of olefinic compounds that can be used for the production of detergents, additives, lubricants and/or plastic materials, or components which can be used in the field of oil explorations and productions, and a hydrocarbon fuel or a fraction thereof, which comprises subjecting a mixture of glycerides having at least one unsaturated hydrocarbon chain, to metathesis reaction and, after separating the olefinic mixture obtained, effecting a hydrodeoxygenation and subsequently hydroisomerization process, so as to obtain the hydrocarbon fuel or a fraction thereof.Type: ApplicationFiled: February 12, 2021Publication date: June 10, 2021Applicant: versalis S.p.A.Inventors: Aldo BOSETTI, Sergio Francantonio Lombardini, Gianni Girotti
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Patent number: 11021416Abstract: The present invention relates to a process for the production of olefinic compounds that can be used for the production of detergents, additives, lubricants and/or plastic materials, or components which can be used in the field of oil explorations and productions, and a hydrocarbon fuel or a fraction thereof, which comprises subjecting a mixture of glycerides having at least one unsaturated hydrocarbon chain, to metathesis reaction and, after separating the olefinic mixture obtained, effecting a hydrodeoxygenation and subsequently hydroisomerization process, so as to obtain the hydrocarbon fuel or a fraction thereof.Type: GrantFiled: December 24, 2014Date of Patent: June 1, 2021Assignee: versalis S.p.A.Inventors: Aldo Bosetti, Sergio Francantonio Lombardini, Gianni Girotti
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Patent number: 10894750Abstract: The present invention relates to a process for the dehydration of at least one oxygenated compound, preferably selected from saturated alcohols, unsaturated alcohols, diols, ethers, in the presence of at least one dehydration catalyst selected from cerium oxide (CeO2), aluminium oxide (?-Al2O3), aluminium silicate, silica-aluminas (SiO2—Al2O3), aluminas, zeolites, sulfonated resins, ion-exchange resins, metal oxides (for example, lanthanum oxide, zirconium oxide, tungsten oxide, thallium oxide, magnesium oxide, zinc oxide); of at least one basic agent selected from ammonia (NH3), or from inorganic or organic compounds containing nitrogen capable of developing ammonia (NH3) during said dehydration process; and, optionally, of silica (SiO2), or of at least one catalyst for the dissociation of ammonia (NH3) selected from catalysts comprising silica (SiO2), preferably of silica (SiO2).Type: GrantFiled: February 22, 2016Date of Patent: January 19, 2021Assignee: versalis S.p.A.Inventors: Nicola Vecchini, Gianni Girotti
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Patent number: 10570312Abstract: Method for the separation of at least one isoprenic constituent from the resin of a plant of guayule and/or of the guayule type comprising the steps of: a) providing a defatted resin of guayule and/or of the guayule type; b) subjecting the defatted resin to partitioning of the liquid-liquid type with solvents that are immiscible in each other thus obtaining an apolar extract containing the isoprenic constituents guayulin A, guayulin B and argentatin B; and a polar extract containing the isoprene constituents argentatin A, argentatin C and argentatin D; and c) separating at least one isoprenic constituent from said polar extract and/or from the apolar extract thus obtained, wherein step c) comprises a step in which the polar extract is subjected to partitioning of the liquid-liquid type with solvents immiscible in each other and/or a step in which the apolar extract is subjected to partitioning of the solid-liquid type.Type: GrantFiled: July 29, 2016Date of Patent: February 25, 2020Assignee: versalis S.p.AInventors: Cecilia Querci, Danilo Del Prete, Maria Caldararo, Gianni Girotti
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Publication number: 20180171178Abstract: Method for the separation of at least one isoprenic constituent from the resin of a plant of guayule and/or of the guayule type comprising the steps of: a) providing a defatted resin of guayule and/or of the guayule type; b) subjecting the defatted resin to partitioning of the liquid-liquid type with solvents that are immiscible in each other thus obtaining an apolar extract containing the isoprenic constituents guayulin A, guayulin B and argentatin B; and a polar extract containing the isoprene constituents argentatin A, argentatin C and argentatin D; and c) separating at least one isoprenic constituent from said polar extract and/or from the apolar extract thus obtained, wherein step c) comprises a step in which the polar extract is subjected to partitioning of the liquid-liquid type with solvents immiscible in each other and/or a step in which the apolar extract is subjected to partitioning of the solid-liquid type.Type: ApplicationFiled: July 29, 2016Publication date: June 21, 2018Applicant: versalis S.p.A.Inventors: Cecilia QUERCI, Danilo DEL PRETE, Maria CALDARARO, Gianni GIROTTI
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Publication number: 20180002249Abstract: The present invention relates to a process for the dehydration of at least one oxygenated compound, preferably selected from saturated alcohols, unsaturated alcohols, diols, ethers, in the presence of at least one dehydration catalyst selected from cerium oxide (CeO2), aluminium oxide (?-Al2O3), aluminium silicate, silica-aluminas (SiO2-Al2O3), aluminas, zeolites, sulfonated resins, ion-exchange resins, metal oxides (for example, lanthanum oxide, zirconium oxide, tungsten oxide, thallium oxide, magnesium oxide, zinc oxide); of at least one basic agent selected from ammonia (NH3), or from inorganic or organic compounds containing nitrogen capable of developing ammonia (NH3) during said dehydration process; and, optionally, of silica (SiO2), or of at least one catalyst for the dissociation of ammonia (NH3) selected from catalysts comprising silica (SiO2), preferably of silica (SiO2).Type: ApplicationFiled: February 22, 2016Publication date: January 4, 2018Applicant: versalis S.p.A.Inventors: Nicola VECCHINI, Gianni GIROTTI
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Publication number: 20160251278Abstract: The present invention relates to a process for the production of olefinic compounds that can be used for the production of detergents, additives, lubricants and/or plastic materials, or components which can be used in the field of oil explorations and productions, and a hydrocarbon fuel or a fraction thereof,which comprises subjecting a mixture of glycerides having at least one unsaturated hydrocarbon chain, to metathesis reaction and, after separating the olefinic mixture obtained, effecting a hydrodeoxygenation and subsequently hydroisomerization process, so as to obtain the hydrocarbon fuel or a fraction thereof.Type: ApplicationFiled: December 24, 2014Publication date: September 1, 2016Applicant: versalis S.p.A.Inventors: Aldo BOSETTI, Sergio Francantonio LOMBARDINI, Gianni GIROTTI
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Patent number: 9358531Abstract: The invention relates to a new process which allows the preparation of TS-1 zeolites in a pure phase and with a crystallinity higher than 95%, operating at reduced reaction volumes, and obtaining high productivities and extremely high crystallization yields. The particular crystalline form of the TS-1 zeolite thus prepared, is also described.Type: GrantFiled: December 3, 2008Date of Patent: June 7, 2016Assignee: POLIMERI EUROPA S.p.A.Inventors: Angela Carati, Donatella Berti, Roberto Millini, Franco Rivetti, Maria Angela Mantegazza, Gianni Girotti
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Patent number: 8658553Abstract: A catalytic composition for transalkylation of aromatic hydrocarbons which contains a zeolite and an inorganic binder and has an extra-zeolitic porosity higher than or equal to 0.7 cc/g for a fraction of pores of which at least 30% have a diameter greater than 100 nanometers. A catalytic composition having a crushing strength not lower than 1.7 kg/mm and an apparent density not higher than 0.5 g/cc. A process for transalkylating polyalkylated aromatic hydrocarbons using a catalytic composition.Type: GrantFiled: April 24, 2012Date of Patent: February 25, 2014Assignee: Polimeri Europa S.p.A.Inventors: Elena Bencini, Gianni Girotti
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Publication number: 20120270726Abstract: A catalytic composition for transalkylation of aromatic hydrocarbons which contains a zeolite and an inorganic binder and has an extra-zeolitic porosity higher than or equal to 0.7 cc/g for a fraction of pores of which at least 30% have a diameter greater than 100 nanometers. A catalytic composition having a crushing strength not lower than 1.7 kg/mm and an apparent density not higher than 0.5 g/cc. A process for transalkylating polyalkylated aromatic hydrocarbons using a catalytic composition.Type: ApplicationFiled: April 24, 2012Publication date: October 25, 2012Applicant: Polimeri Europa S.p.A.Inventors: Elena Bencini, Gianni Girotti
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Patent number: 8207388Abstract: A catalytic composition is described for the transalkylation of aromatic hydrocarbons comprising a zeolite and an inorganic binder, characterized by an extra-zeolitic porosity, i.e. the porosity obtained by adding the mesoporosity and the macroporosity fractions present in the catalytic composition, higher than or equal to 0.7 cc/g, which is such as to consist for a fraction of at least 30% of pores having a diameter greater than 100 nanometers. These catalytic compositions have a crushing strength not lower than 1.7 kg/mm and an apparent density not higher than 0.5 g/cc. A process is also described for the transalkylation of polyalkylated aromatic hydrocarbons which uses these catalytic compositions.Type: GrantFiled: December 15, 2003Date of Patent: June 26, 2012Assignee: Polimeri Europa S.p.A.Inventors: Elena Bencini, Gianni Girotti
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Patent number: 8030238Abstract: The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equal to or higher than 1.5. This new zeolite is useful in preparation processes of alkylated aromatic hydrocarbons through the alkylation and/or transalkylation of aromatic compounds. The preparation method of the new zeolite is also object of the present invention.Type: GrantFiled: June 21, 2005Date of Patent: October 4, 2011Assignees: Polimeri Europa S.p.A., Eni S.p.A.Inventors: Guido Spano′, Stefano Ramello, Gianni Girotti, Franco Rivetti, Angela Carati
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Publication number: 20100331576Abstract: The invention relates to a new process which allows the preparation of TS-1 zeolites in a pure phase and with a crystallinity higher than 95%, operating at reduced reaction volumes, and obtaining high productivities and extremely high crystallization yields. The particular crystalline form of the TS-1 zeolite thus prepared, is also described.Type: ApplicationFiled: December 3, 2008Publication date: December 30, 2010Applicant: POLIMERI EUROPA S.P.A.Inventors: Angela Carati, Donatella Berti, Roberto Millini, Franco Rivetti, Angela Maria Mantegazza, Gianni Girotti
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Patent number: 7812204Abstract: The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.Type: GrantFiled: November 30, 2005Date of Patent: October 12, 2010Assignee: Polimeri Europa S.p.A.Inventors: Gianni Girotti, Franco Rivetti, Renzo Bignazzi
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Patent number: 7718836Abstract: The present invention relates to an integrated process for the production of high purity 2,6-dimethylnaphthalene starting from hydrocarbon mixtures containing naphthalene and/or isomers of methylnaphthalene and/or isomers of dimethylnaphthalene and/or isomers of polymethylnaphthalene, and from an alkylating agent, preferably methanol, reacted in the presence of a methylated benzene solvent or mixture of various methylated benzene solvents, preferably selected from toluene, xylene and trimethylbenzene, and a catalyst consisting of ZSM-12 zeolite and an inorganic ligand.Type: GrantFiled: June 6, 2002Date of Patent: May 18, 2010Assignees: ENI S.p.A., Polimeri Europa S.p.A.Inventors: Gianni Girotti, Giuseppe Terzoni, Oscar Cappellazzo, Renzo Bignazzi, Giannino Pazzuconi
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Patent number: 7524788Abstract: Process for preparing alkylated aromatic compounds which comprises reacting an aromatic compound with a ketone and hydrogen in the presence of a catalytic composition comprising a solid acid material and copper. A preferred aspect is to use a catalytic composition also containing one or more elements selected from elements of groups IIIA, IVA, IIIB, IVB, VB, VIB, VIIB, group VIII limited to Fe, Ru and Os, and of the series of lanthanides. A particularly preferred aspect is to use a catalytic composition containing one or more elements selected from elements of groups IIIA and VIB.Type: GrantFiled: December 18, 2002Date of Patent: April 28, 2009Assignee: Polimeri Europa S.p.A.Inventors: Gianni Girotti, Franco Rivetti, Stefano Ramello
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Publication number: 20070276173Abstract: The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equal to or higher than 1.5. This new zeolite is useful in preparation processes of alkylated aromatic hydrocarbons through the alkylation and/or transalkylation of aromatic compounds. The preparation method of the new zeolite is also object of the present invention.Type: ApplicationFiled: June 21, 2005Publication date: November 29, 2007Applicants: Polimer Europa S.p.A., ENI S.P.A.Inventors: Guido Spano', Stefano Ramello, Gianni Girotti, Franco Rivetti, Angela Carati
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Publication number: 20070265480Abstract: The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.Type: ApplicationFiled: November 30, 2005Publication date: November 15, 2007Applicant: POLIMERI EUROPA S.p.A.Inventors: Gianni Girotti, Franco Rivetti, Renzo Bignazzi
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Publication number: 20060258893Abstract: A catalytic composition is described for the transalkylation of aromatic hydrocarbons comprising a zeolite and an inorganic binder, characterized by an extra-zeolitic porosity, i.e. the porosity obtained by adding the mesoporosity and the macroporosity fractions present in the catalytic composition, higher than or equal to 0.7 cc/g, which is such as to consist for a fraction of at least 30% of pores having a diameter greater than 100 nanometers. These catalytic compositions have a crushing strength not lower than 1.7 kg/mm and an apparent density not higher than 0.5 g/cc. A process is also described for the transalkylation of polyalkylated aromatic hydrocarbons which uses these catalytic compositions.Type: ApplicationFiled: December 15, 2003Publication date: November 16, 2006Applicant: POLIMERI EUROPA S.p.A.Inventors: Elena Bencini, Gianni Girotti