Patents by Inventor Caterina Rizzo
Caterina Rizzo 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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Publication number: 20150011787Abstract: The present invention relates to a process for the preparation of organic-inorganic hybrid silicates and metal-silicates of the ECS type which uses as starting material the corresponding disilanes: said process is characterized by the presence of boric acid in the reagent mixture. With the process of the invention, ECS silicates and metal-silicates are obtained, characterized by an X-Ray diffractogram with reflections exclusively at angular values higher than 4.0° of 2?, and characterized by an ordered structure which contains: —structural units having formula (a), wherein R is an organic group: —boron—one or more elements T, different from boron, selected from groups IIIB, NB, VB, and transition metals, with a molar ratio Si/(Si+T) in said structure greater than 0.3 and lower than 1, wherein Si is the silicon contained in the structural unit having formula (a). The silicates and metal-silicates so obtained, containing both boron and at least one element T, are new.Type: ApplicationFiled: December 21, 2012Publication date: January 8, 2015Applicant: Eni S.p.A.Inventors: Giuseppe Bellussi, Angela Carati, Roberto Millini, Caterina Rizzo, Stefano Zanardi
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Patent number: 8809561Abstract: The present invention relates to new hybrid, organic-inorganic hybrid silicates and metal-silicates characterized by a crystalline structure containing structural units having formula (a), wherein R is an organic group possibly containing one or more element T selected from Group IIIB, IVB, VB and from transition metals. A process starting from cyclic trisilanes for the preparation of said materials, is also described. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the area of nanotechnology.Type: GrantFiled: February 25, 2010Date of Patent: August 19, 2014Assignee: ENI S.p.A.Inventors: Giuseppe Bellussi, Angela Carati, Mariangela Cozzolino, Caterina Rizzo, Stefano Zanardi
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Publication number: 20140154174Abstract: The present invention relates to a process for the separation of gases which comprises putting a mixture of gases in contact with a zeolite of the ESV type to obtain the selective adsorption of at least one of the gases forming the gaseous mixture. The present invention also relates to particular zeolitic compositions suitable as adsorbents.Type: ApplicationFiled: May 20, 2013Publication date: June 5, 2014Inventors: Angela CARATI, Caterina Rizzo, Marco Tagliabue, Luciano Cosimo Carluccio, Cristina Flego, Liberato Giampaolo Ciccarelli
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Patent number: 8500850Abstract: The present invention relates to a process for the separation of gases which comprises putting a mixture of gases in contact with a zeolite of the ESV type to obtain the selective adsorption of at least one of the gases forming the gaseous mixture. The present invention also relates to particular zeolitic compositions suitable as adsorbents.Type: GrantFiled: June 19, 2007Date of Patent: August 6, 2013Assignee: ENI S.p.A.Inventors: Angela Carati, Caterina Rizzo, Marco Tagliabue, Luciano Cosimo Carluccio, Cristina Flego, Liberato Giampaolo Ciccarelli
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Publication number: 20120059181Abstract: The present invention relates to new hybrid, organic-inorganic hybrid silicates and metal-silicates characterized by a crystalline structure containing structural units having formula (a), wherein R is an organic group possibly containing one or more element T selected from Group IIIB, IVB, VB and from transition metals. A process starting from cyclic trisilanes for the preparation of said materials, is also described. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the area of nanotechnology.Type: ApplicationFiled: February 25, 2010Publication date: March 8, 2012Applicant: ENI S.p.A.Inventors: Giuseppe Bellussi, Angela Carati, Mariangela Cozzolino, Caterina Rizzo, Stefano Zanardi
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Patent number: 8110692Abstract: The present invention relates to new organic-inorganic hybrid silicates and metal-silicates called ECS, characterized by an X-ray powder diffraction pattern with reflections exclusively at angular values higher than 4.0° of 2?, preferably at angular values higher than 4.7°, and an ordered structure containing structural units having formula (a) wherein R is an organic group: Formula (a) and possibly containing one or more elements T selected from groups III B, IV B, V B and transition metals, with a Si/(Si +T) molar ratio in said structure higher than 0.3 and lower than or equal to 1, wherein Si is the silicon contained in the structural unit (a). A process is also described, starting from disilanes, for the preparation of these materials, which does not include the use of templates or surfactants. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the field of nanotechnologies.Type: GrantFiled: August 3, 2007Date of Patent: February 7, 2012Assignee: ENI S.p.A.Inventors: Giuseppe Bellussi, Angela Carati, Caterina Rizzo, Urbano Diaz Morales, Stefano Zanardi, Wallace O'Neil Parker, Roberto Millini
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Publication number: 20110163006Abstract: The present invention concerns a new cracking process, preferably a fluid catalytic process, characterized in that it is carried out in the presence of a catalyst containing ERS-10 zeolite. The invention also relates to a new catalytic composition containing said ERS-10 zeolite, which can be used as catalyst in catalytic cracking processes, in particular in fluid catalytic cracking processes (FCC).Type: ApplicationFiled: May 28, 2009Publication date: July 7, 2011Applicant: ENI S.P.AInventors: Giuseppe Bellussi, Roberto Millini, Caterina Rizzo, Daniele Colombo
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Publication number: 20100191009Abstract: The present invention relates to new organic-inorganic hybrid silicates and metal-silicates called ECS, characterized by an X-ray powder diffraction pattern with reflections exclusively at angular values higher than 4.0° of 2?, preferably at angular values higher than 4.7°, and an ordered structure containing structural units having formula (a) wherein R is an organic group: Formula (a) and possibly containing one or more elements T selected from groups III B, IV B, V B and transition metals, with a Si/(Si+T) molar ratio in said structure higher than 0.3 and lower than or equal to 1, wherein Si is the silicon contained in the structural unit (a). A process is also described, starting from disilanes, for the preparation of these materials, which does not include the use of templates or surfactants. These materials can be used as molecular sieves, adsorbents, in the field of catalysis, in the field of electronics, in the field of sensors, in the field of nanotechnologies.Type: ApplicationFiled: August 3, 2007Publication date: July 29, 2010Applicant: ENI S.P.A.Inventors: Giuseppe Bellussi, Angela Carati, Caterina Rizzo, Urbano Diaz Morales, Stefano Zanardi, Wallace O'Neil Parker, Roberto Millini
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Publication number: 20090288557Abstract: The present invention relates to a process for the separation of gases which comprises putting a mixture of gases in contact with a zeolite of the ESV type to obtain the selective adsorption of at least one of the gases forming the gaseous mixture. The present invention also relates to particular zeolitic compositions suitable as adsorbents.Type: ApplicationFiled: June 19, 2007Publication date: November 26, 2009Applicant: ENI S.P.A.Inventors: Angela Carati, Caterina Rizzo, Marco Tagliabue, Luciano Cosimo Carluccio, Cristina Flego, Liberato Giampaolo Ciccarelli
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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
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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
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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
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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
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Patent number: 6696614Abstract: Catalyst for steam cracking reactions consisting of pure mayenite having the general formula: 12CaO.7Al2O3 having an X-ray diffraction spectrum as indicated in Table I, obtained with a preparation process comprising the following steps: dissolution of salts containing calcium and aluminum with water; complexing of the dissolved salts by means of polyfunctional organic hydroxyacids; drying of the solution resulting from the completing in order to obtain a solid precursor product; calcination of the solid precursor product at a temperature ranging from 1300 to 1400° C. for at least two hours.Type: GrantFiled: December 4, 2002Date of Patent: February 24, 2004Assignees: ENICHEM S.p.A., ENITECNOLOGIE S.p.A.Inventors: Paolo Pollesel, Caterina Rizzo, Carlo Perego, Renato Paludetto, Gastone Del Piero
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Publication number: 20030109376Abstract: Catalyst for steam cracking reactions consisting of pure mayenite having the general formula:Type: ApplicationFiled: December 4, 2002Publication date: June 12, 2003Applicants: ENICHEM S.p.A, ENITECNOLOGIE S.p.A.Inventors: Paolo Pollesel, Caterina Rizzo, Carlo Perego, Renato Paludetto, Gastone Del Piero
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Patent number: 6355856Abstract: Catalyst based on molibden and silicon having a surface area ranging from 20 to 400 m2/g and a molar ratio Mo/Si>0.2 obtainable with a process which comprises: a) dissolving a soluble molibden salt in an aqueous solution containing at least one basic compound selected from ammonium hydroxides having general formula (I): R1R2R3R4N+OH− (I) b) adding to the solution of step (a) at least one compound of silicon capable of hydrolyzing to Sio2; c) gelifying and calcining the gel obtained.Type: GrantFiled: June 23, 1999Date of Patent: March 12, 2002Assignees: Agip Petroli S.p.A., EniTechnologies S.p.A.Inventors: Stefano Peratello, Angela Carati, Giuseppe Bellussi, Caterina Rizzo
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Publication number: 20010051759Abstract: Catalyst based on molibden and silicon having a surface area ranging from 20 to 400 m2/g and a molar ratio Mo/Si>0.Type: ApplicationFiled: June 23, 1999Publication date: December 13, 2001Inventors: STEFANO PERATELLO, ANGELA CARATI, GIUSEPPE BELLUSSI, CATERINA RIZZO
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Publication number: 20010021688Abstract: Catalyst for steam cracking reactions consisting of pure mayenite having the general formula:Type: ApplicationFiled: December 15, 2000Publication date: September 13, 2001Applicant: ENICHEM S.p.A.Inventors: Paolo Pollesel, Caterina Rizzo, Carlo Perego, Renato Paludetto, Gastone Del Piero