Patents by Inventor Roberto Tassinari
Roberto Tassinari 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: 9884299Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface-active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: GrantFiled: March 18, 2013Date of Patent: February 6, 2018Assignees: ENI S.p.A., POLIMERI EUROPA S.p.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Publication number: 20130209527Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface--active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: ApplicationFiled: March 18, 2013Publication date: August 15, 2013Inventors: Lucilla DEL GAUDIO, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Patent number: 8431620Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface-active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: GrantFiled: March 28, 2007Date of Patent: April 30, 2013Assignees: ENI S.p.A., Polimeri Europa S.p.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Publication number: 20100210483Abstract: Process for the solubilization of polymeric material deposited on a porous medium, which comprises putting said polymeric material in contact with an aqueous composition comprising: (a) a catalyst selected from: (a1) a complex having general formula (I), Fe++(L)n(Y)s, L being a binder selected from those having general formula (II), wherein X?CH, N, (a2) a hydrosoluble cobalt2+ salt, preferably cobalt acetate; (b) an oxidizing agent selected from: (b1) hydrogen peroxide, (b2) MHSO5, wherein M is an alkaline metal, preferably potassium; with the constraint that the catalyst (a1) can only be used in the presence of the oxidizing agent (b1) and the catalyst (a2) can only be used in the presence of the catalyst (b2).Type: ApplicationFiled: July 28, 2006Publication date: August 19, 2010Applicants: ENI S.p.A., POLIMERI EUROPA S.p.A.Inventors: Rino D'Aloisio, Daniele Bianchi, Marco Ricci, Rossella Bortolo, Roberto Tassinari, Cristina Tonini, Sandra Cobianco
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Publication number: 20090179562Abstract: A lighting group (10) comprising a multilayer structure (11), provided with at least one conductive layer (12, 12?, 12?), which lies on specific elastic film, interposed between two insulating layers (13, 13?, 13?, 13??) and selectively suppliable with current from a related electric conductor (14, 14?, 14?), and at least one lamp element (15, 15?) that can be selectively coupled in any point to the multilayer structure (11) and provided with an upper portion (16) that is luminescent if crossed by current, that is extended outside the multilayer structure (11), and a lower portion (17) that is extended inside the multilayer structure (11), the lower portion (17) comprising at least one electrically conductive zone (18, 18?, 18?) in contact with the at least one conductive transmission layer (12, 12?, 12?) for the current from the at least one conductive layer (12, 12?, 12?) to the upper portion (16).Type: ApplicationFiled: May 14, 2008Publication date: July 16, 2009Applicant: BESTE S.r.l.Inventor: Roberto Tassinari
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Publication number: 20090118380Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface-active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: ApplicationFiled: March 28, 2007Publication date: May 7, 2009Applicants: ENI S.P.A., POLIMERI EUROPA S.P.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Patent number: 6156939Abstract: The invention relates to a process for the hydroxylation of aromatic hydrocarbons by direct oxidation with hydrogen peroxide. The process is carried out in the presence of a catalyst comprising:iron, administered as inorganic salt;iron ligand, consisting of carboxylic acids of ether-aromatic compounds containing nitrogen, in particular pyrazin-2-carboxylic acid and derivatives;acidifying agent, especially trifluoracetic acid, and a solvent system comprising an organic phase consisting of a substrate and acetonitrile and an aqueous phase containing the catalyst and hydrogen peroxide.Type: GrantFiled: April 4, 2000Date of Patent: December 5, 2000Assignee: Enichem S.p.A.Inventors: Rodolfo Vignola, Ezio Battistel, Daniele Bianchi, Rossella Bortolo, Roberto Tassinari
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Patent number: 6071848Abstract: The invention relates to a process for the hydroxylation of aromatic hydrocarbons by direct oxidation with hydrogen peroxide. The process is carried out in the presence of a catalyst comprising:iron, administered as an inorganic salt;a carboxylic acid of an aromatic compound containing nitrogen, in particular a pyrazin-2-carboxylic acid or derivative;acidifying agent, especially trifluoracetic acid, and a solvent system comprising an organic phase consisting of a substrate and acetonitrile and an aqueous phase containing the catalyst and hydrogen peroxide.Type: GrantFiled: February 11, 1998Date of Patent: June 6, 2000Assignee: Enichem S.p.A.Inventors: Rodolfo Vignola, Ezio Battistel, Daniele Bianchi, Rossella Bortolo, Roberto Tassinari
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Patent number: 5302528Abstract: A process is described for the separation of the optical isomers of alphayl- or alpha-aryloxy- carboxylic acids by means of the stereoselective hydrolysis of racemic alkyl esters of the above acids in the presence of bacteria or their enzymes, selected from the species Brevibacterium, Bacteridium, Micrococcus, and Bacillus.Type: GrantFiled: April 22, 1992Date of Patent: April 12, 1994Assignee: Ministero Dell `Universita` e Della Ricerca Scientifica e TechnologicaInventors: Ezio Battistel, Daniele Bianchi, Pietro Cesti, Giuliana Franzosi, Roberto Tassinari, Sandro Spezia