Patents by Inventor Luigia Rossiello
Luigia Rossiello 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: 20230045260Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one external structural element comprising at least one external structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable clastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) a system for protection against ozone substantially free of polymeric static protective agents which essentially consists of at least one phenolic antioxidant in an amount substantially equal to or higher than 3 phr.Type: ApplicationFiled: September 30, 2022Publication date: February 9, 2023Applicant: Pirelli Tyre S.p.A.Inventors: Davide DALL'ABACO, Virna FORMAGGIO, Luigia ROSSIELLO, Thomas HANEL
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Patent number: 11518192Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one external structural element comprising at least one external structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) a system for protection against ozone substantially free of polymeric static protective agents which essentially consists of at least one phenolic antioxidant in an amount substantially equal to or higher than 3 phr.Type: GrantFiled: March 5, 2018Date of Patent: December 6, 2022Assignee: PIRELLI TYRE S.p.A.Inventors: Davide Dall'Abaco, Virna Formaggio, Luigia Rossiello, Thomas Hanel
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Publication number: 20210324180Abstract: The present disclosure relates to a tyre comprising a carcass structure, a tread band, a pair of sidewalls and at least one colored decorative element having a thickness equal to or greater than 200 ?m applied by co-vulcanization on at least one side of the pair of sidewalls, wherein the pair of sidewalls comprises an elastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) an ozone protection system, and the at least one colored decorative element is made with a cross-linkable elastomeric composition comprising (i) 100 phr of elastomeric polymer comprising 30 phr to 70 phr of natural and/or synthetic isoprene rubber, and 30 phr to 70 phr of a rubber chosen from butyl rubber, halobutyl rubber, butadiene rubber, styrene-butadiene rubber, and mixtures thereof, and (ii) 5 phr to 120 phr of at least one reinforcement filler.Type: ApplicationFiled: August 29, 2018Publication date: October 21, 2021Applicant: Pirelli Tyre S.p.A.Inventors: Davide DALL'ABACO, Luigia ROSSIELLO, Marco POZZOLI, Davide Lupo CONTI
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Patent number: 11091608Abstract: The present invention relates to a vulcanizable elastomeric composition comprising a secondary accelerator that may be used in combination with sulphenamide alone, completely avoiding the use of a guanidine. Moreover, said accelerator promotes dispersion of the silica in the compound and migrates with difficulty in the elastomeric composition itself. The invention also relates to the use of a vulcanization accelerator for said elastomeric composition, to the associated vulcanization process and to a tyre comprising same.Type: GrantFiled: December 23, 2016Date of Patent: August 17, 2021Assignee: PIRELLI TYRE S.p.A.Inventors: Maurizio Stefano Galimberti, Roberto Sebastiano, Vincenzina Barbera, Valeria Rosaria Cipolletti, Gabriella Leonardi, Shuquan Sun, Luigia Rossiello
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Publication number: 20210229505Abstract: The present invention relates to a tyre (100) for vehicle wheels comprising at least one carcass structure (101), a tread band (109) applied in a position radially external to said carcass structure, and a pair of sidewalls (108) applied laterally on the opposite sides with respect to said carcass structure, where on at least one sidewall of said pair of sidewalls (108), a label (120) is applied comprising a protective layer (121), an adhesive layer (123), and possibly one or more ink layers (122) interposed between said protective layer (121) and said adhesive layer (123), where said adhesive layer (123) adheres the label (120) to the surface of said sidewall, where said protective layer (121) comprises polyester-based and/or polyether-based cross-linked aliphatic polyurethanes exhibiting dynamic elastic modulus values E?, measured at 25° C., static tensile deformation 1%, dynamic deformation +0.1%, and frequency 1 Hz, equal to or higher than about 5 MPa, and a residual deformation measured at 25° C.Type: ApplicationFiled: June 10, 2019Publication date: July 29, 2021Applicant: Pirelli Tyre S.p.A.Inventors: Alfredo BALINI, Guido Carlo CAROSIO, Thomas HANEL, Cristiano PUPPI, Luigia ROSSIELLO, Marco POZZOLI
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Publication number: 20210179821Abstract: The present invention relates to a vulcanizable elastomeric composition comprising a secondary accelerator that may be used in combination with sulphenamide alone, completely avoiding the use of a guanidine. Moreover, said accelerator promotes dispersion of the silica in the compound and migrates with difficulty in the elastomeric composition itself. The invention also relates to the use of a vulcanization accelerator for said elastomeric composition, to the associated vulcanization process and to a tyre comprising same.Type: ApplicationFiled: December 23, 2016Publication date: June 17, 2021Applicants: Pirelli Tyre S.p.A., POLITECNICO DI MILANOInventors: Maurizio Stefano GALIMBERTI, Roberto SEBASTIANO, Vincenzina BARBERA, Valeria CIPOLLETTI, Gabriella LEONARDI, Shuquan SUN, Luigia ROSSIELLO
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Patent number: 10759227Abstract: The present invention relates to new antioxidant and antiozonant elastomeric compositions for tyres, characterized by reduced volatility of the active compounds, improved processability and environmental sustainability, increased anti-degradation efficacy and improved surface appearance. In particular, the elastomeric compositions of the inventions comprise Salts formed by acids AC of formula (I) and amines AM of formula (II) The elastomeric compositions of the inventions are particularly suitable for the manufacture of tyre components such as sidewalls, treads and anti-abrasive layer, components that in the tyre are particularly subject to wear due to the combination of the degrading action of ozone and mechanical stresses.Type: GrantFiled: March 1, 2017Date of Patent: September 1, 2020Assignee: PIRELLI TYRE S.p.A.Inventors: Luigia Rossiello, Thomas Hanel
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Publication number: 20190381832Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one external structural element comprising at least one external structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising (i) at least one diene elastomeric polymer, and (ii) a system for protection against ozone substantially free of polymeric static protective agents which essentially consists of at least one phenolic antioxidant in an amount substantially equal to or higher than 3 phr.Type: ApplicationFiled: March 5, 2018Publication date: December 19, 2019Applicant: Pirelli Tyre S.p.A.Inventors: Davide DALL'ABACO, Virna FORMAGGIO, Luigia ROSSIELLO, Thomas HANEL
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Publication number: 20190047326Abstract: The present invention relates to new antioxidant and antiozonant elastomeric compositions for tyres, characterized by reduced volatility of the active compounds, improved processability and environmental sustainability, increased anti-degradation efficacy and improved surface appearance. In particular, the elastomeric compositions of the inventions comprise Salts formed by acids AC of formula (I) and amines AM of formula (II) The elastomeric compositions of the inventions are particularly suitable for the manufacture of tyre components such as sidewalls, treads and anti-abrasive layer, components that in the tyre are particularly subject to wear due to the combination of the degrading action of ozone and mechanical stresses.Type: ApplicationFiled: March 1, 2017Publication date: February 14, 2019Applicant: Pirelli Tyre S.p.A.Inventors: Luigia ROSSIELLO, Thomas HANEL
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Patent number: 9975377Abstract: Tires for vehicle wheels having reduced environmental impact and the components thereof, in particular reinforcing structural elements such as carcass structures, belt structures, flippers and chafers, include elongated reinforcing elements treated with resorcinol and formaldehyde-free cross-linkable adhesive compositions. The adhesive compositions include at least a) a rubber latex, at least b) an epoxide and at least c) a polyamine with molecular weight higher than 190 Daltons, including at least two amino groups selected from primary —NH2 and secondary —NH— amino groups. In the structural element, these compositions confer an adhesion between cords and compounds that is comparable to, if not better than, the traditional RFL system in use in this sector.Type: GrantFiled: December 11, 2013Date of Patent: May 22, 2018Assignee: PIRELLI TYRE S.P.A.Inventors: Lisa Grassi, Giuseppina Ratti, Omar Ballabio, Luigia Rossiello
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Publication number: 20150314644Abstract: Tyres for vehicle wheels having reduced environmental impact and the components thereof, in particular reinforcing structural elements such as carcass structures, belt structures, flippers and chafers, include elongated reinforcing elements treated with resorcinol and formaldehyde-free cross-linkable adhesive compositions. The adhesive compositions include at least a) a rubber latex, at least b) an epoxide and at least c) a polyamine with molecular weight higher than 190 Daltons, including at least two amino groups selected from primary —NH2 and secondary —NH— amino groups. In the structural element, these compositions confer an adhesion between cords and compounds that is comparable to, if not better than, the traditional RFL system in use in this sector.Type: ApplicationFiled: December 11, 2013Publication date: November 5, 2015Applicant: Pirelli Tyre S.p.A.Inventors: Lisa GRASSI, Giuseppina RATTI, Omar BALLABIO, Luigia ROSSIELLO
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Patent number: 8299152Abstract: A tire for vehicle wheels, includes at least one structural element obtained by crosslinking a crosslinkable elastomeric composition including at least one vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent; at least one diene elastomeric polymer, and at least one sulfur-based vulcanizing agent. A surface treatment process of vulcanized rubber and crosslinkable elastomeric composition is obtained with the vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent.Type: GrantFiled: October 30, 2006Date of Patent: October 30, 2012Assignee: Pirelli Tyre S.p.A.Inventors: Emiliano Resmini, Luigia Rossiello, Diego Tirelli, Franco Peruzzotti
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Patent number: 8044110Abstract: Optical fiber has a glass portion and at least one coating of crosslinked polymer material surrounding the glass portion, the coating being obtained by crosslinking a composition of (a) at least one radically crosslinkable oligomer containing at least two reactive functional groups and having a number average molecular weight lower than about 1,000, preferably between about 400 and about 900; (b) at least one cationically crosslinkable compound containing at least one reactive functional group; (c) at least one free radical photoinitiator; and (d) at least one cationic photoinitiator. Preferably, the coating is a secondary coating or, in the case of a ribbon of optical fibers, it is a common polymer coating known as a “common coating”.Type: GrantFiled: May 29, 2003Date of Patent: October 25, 2011Assignee: Prysmian Cavi e Sistemi Energia S.r.l.Inventors: Luca Castellani, Emiliano Resmini, Luigia Rossiello, Raffaella Donetti
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Publication number: 20090272475Abstract: A tire for vehicle wheels, includes at least one structural element obtained by crosslinking a crosslinkable elastomeric composition including at least one vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent; at least one diene elastomeric polymer, and at least one sulfur-based vulcanizing agent. A surface treatment process of vulcanized rubber and crosslinkable elastomeric composition is obtained with the vulcanized rubber in a subdivided form surface treated with at least one oxidizing agent.Type: ApplicationFiled: October 30, 2006Publication date: November 5, 2009Inventors: Emiliano Resmini, Luigia Rossiello, Diego Tirelli, Franco Peruzzotti
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Publication number: 20070276062Abstract: A process for producing an epoxidized elastomeric polymer by feeding at least one elastomeric polymer containing ethylenic unsaturation to a mixing device; feeding at least one hydrogen peroxide precursor to the mixing device; feeding at least one carboxylic acid or a derivative thereof to the mixing device; mixing and reacting, in the presence of water, the at least one elastomeric polymer containing ethylenic unsaturation with the at least one hydrogen peroxide precursor and the at least one carboxylic acid or a derivative thereof, to obtain an epoxidized elastomeric polymer; and discharging the resulting epoxidized elastomeric polymer from the mixing device.Type: ApplicationFiled: December 24, 2003Publication date: November 29, 2007Inventors: Diego Tirelli, Michela Caprio, Luigia Rossiello, Lisa Grassi, Emillano Resmini, Stefano Testi
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Patent number: 7120343Abstract: An optical fiber having at least one epoxidized polyolefin based polymer coating. The coating is formed from a crosslinkable composition having (a) at least one epoxidized polydiene oligomer having a first and a second end, the oligomer having at least one hydrocarbon chain that is substantially free of ethylenic double bonds, at least one epoxide group at the first end and at least one reactive functional group at the second end; (b) at least one hydrogenated polydiene oligomer having at least one reactive functional group capable of reacting with the epoxide groups; and (c) at least one photo-initiator. Preferably, the coating is a primary coating coated with a secondary coating.Type: GrantFiled: September 21, 2005Date of Patent: October 10, 2006Assignee: Perelli & C. S.p.A.Inventors: Luca Castellani, Luigia Rossiello, Andrea Pelizzoni, Raffaella Donetti, Lidia Terruzzi, Mauro Maritano
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Publication number: 20060056790Abstract: An optical fiber having at least one epoxidized polyolefin based polymer coating. The coating is formed from a crosslinkable composition having (a) at least one epoxidized polydiene oligomer having a first and a second end, the oligomer having at least one hydrocarbon chain that is substantially free of ethylenic double bonds, at least one epoxide group at the first end and at least one reactive functional group at the second end; (b) at least one hydrogenated polydiene oligomer having at least one reactive functional group capable of reacting with the epoxide groups; and (c) at least one photo-initiator. Preferably, the coating is a primary coating coated with a secondary coating.Type: ApplicationFiled: September 21, 2005Publication date: March 16, 2006Inventors: Luca Castellani, Luigia Rossiello, Andrea Pelizzoni, Raffaella Donetti, Lidia Terruzzi, Mauro Maritano
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Patent number: 6996318Abstract: An optical fiber having at least one epoxidized polyolefin based polymer coating. The coating is formed from a crosslinkable composition having (a) at least one epoxidized polydiene oligomer having a first and a second end, the oligomer having at least one hydrocarbon chain that is substantially free of ethylenic double bonds, at least one epoxide group at the first end and at least one reactive functional group at the second end; (b) at least one hydrogenated polydiene oligomer having at least one reactive functional group capable of reacting with the epoxide groups; and (c) at least one photo-initiator. Preferably, the coating is a primary coating coated with a secondary coating.Type: GrantFiled: November 28, 2002Date of Patent: February 7, 2006Assignee: Pirelli & C. S.p.A.Inventors: Luca Castellani, Luigia Rossiello, Andrea Pelizzoni, Raffaella Donetti, Lidia Terruzzi, Mauro Maritano
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Publication number: 20050089297Abstract: An optical fiber having at least one epoxidized polyolefin based polymer coating. The coating is formed from a crosslinkable composition having (a) at least one epoxidized polydiene oligomer having a first and a second end, the oligomer having at least one hydrocarbon chain that is substantially free of ethylenic double bonds, at least one epoxide group at the first end and at least one reactive functional group at the second end; (b) at least one hydrogenated polydiene oligomer having at least one reactive functional group capable of reacting with the epoxide groups; and (c) at least one photo-initiator. Preferably, the coating is a primary coating coated with a secondary coating.Type: ApplicationFiled: November 28, 2002Publication date: April 28, 2005Inventors: Luca Castellani, Luigia Rossiello, Andrea Pelizzoni, Raffaella Donetti, Lidia Terruzzi, Mauro Maritano