Patents by Inventor Luca Castellani
Luca Castellani 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: 11390119Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising a predispersion of natural rubber and lignin obtained by co-precipitation from latex, where said lignin has a concentration of phenolic groups higher than 2 mmol per gram of lignin, and where said predispersion comprises an amount of said lignin such as to provide, in said crosslinkable elastomeric composition, a concentration of lignin equal to or lower than about 25 phr.Type: GrantFiled: December 19, 2016Date of Patent: July 19, 2022Assignee: PIRELLI TYRE S.p.A.Inventors: Luca Castellani, Thomas Hanel, Luca Zoia, Marco Orlandi, Davide Barana
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Patent number: 11390118Abstract: The invention relates to a tyre (100) for vehicle wheels comprising at least one structural element comprising a vulcanized elastomeric material obtained by vulcanizing a vulcanizable elastomeric composition comprising at least one vulcanizable diene elastomeric polymer and at least one composite reinforcing filler, a process for producing a tyre (100) comprising the composite reinforcing filler, a masterbatch comprising the composite reinforcing filler and a process for producing the same, as well as a process for producing the composite reinforcing filler.Type: GrantFiled: September 12, 2018Date of Patent: July 19, 2022Assignee: PIRELLI TYRE S.p.A.Inventors: Luca Castellani, Luca Zoia, Syed Danish Ali, Marco Orlandi, Thomas Hanel
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Patent number: 10843425Abstract: A process for producing tyres with auxiliary components for vehicle wheels is described. The process includes i) covering the external surface of an expandable chamber for tyre vulcanisation and moulding apparatuses with a first substantially cross-linkable polysiloxane composition and ii) covering the radially inner surface of the impermeable elastomeric material layer of the green tyre with a second substantially non-cross-linkable polysiloxane composition. An expandable chamber for tyre vulcanisation and moulding apparatuses and, a process for treating the expandable chamber are also described.Type: GrantFiled: April 28, 2015Date of Patent: November 24, 2020Assignee: PIRELLI TYRE S.P.A.Inventors: Albert Berenguer, Luca Castellani, Riccardo Miceli
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Publication number: 20200282770Abstract: The invention relates to a tyre (100) for vehicle wheels comprising at least one structural element comprising a vulcanized elastomeric material obtained by vulcanizing a vulcanizable elastomeric composition comprising at least one vulcanizable diene elastomeric polymer and at least one composite reinforcing filler, a process for producing a tyre (100) comprising the composite reinforcing filler, a masterbatch comprising the composite reinforcing filler and a process for producing the same, as well as a process for producing the composite reinforcing filler.Type: ApplicationFiled: September 12, 2018Publication date: September 10, 2020Applicants: Pirelli Tyre S.p.A., Università Degli Studi Milano BicoccaInventors: Luca CASTELLANI, Luca ZOIA, Syed Danish ALI, Marco ORLANDI, Thomas HANEL
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Patent number: 10766306Abstract: An iso-styrene:diene-terminated copolymer is described which includes (i) a polymeric block of styrene and/or substituted styrene consisting of a sequence of styrene and/or substituted styrene in isotactic configuration, and (ii) a terminal polymeric block consisting of a sequence of one or more dienic monomers.Type: GrantFiled: September 27, 2017Date of Patent: September 8, 2020Assignee: PIRELLI TYRE S.P.A.Inventors: Luca Castellani, Thomas Hanel, Enrico Albizzati, Antonio Proto, Carmine Capacchione
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Patent number: 10759226Abstract: A tyre for wheels of vehicles, in particular motor vehicles, is described. The tyre has a tread with at least one iso-styrene/trans-butadiene elastomeric copolymer with a styrene content higher than 30% by weight with respect to the total weight of copolymer and a molecular weight higher than 500,000. The tread has improved dynamic-mechanical behaviour at high temperatures, with higher dynamic modulus and hysteresis values, and at the same time better properties at break, optimum elasticity at low temperature and higher abrasion resistance.Type: GrantFiled: July 28, 2016Date of Patent: September 1, 2020Assignee: PIRELLI TYRE S.P.A.Inventors: Luca Castellani, Thomas Hanel, Davide Dall'abaco, Enrico Albizzati, Antonio Proto, Carmine Capacchione
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Publication number: 20200269634Abstract: The present invention relates to a tyre for vehicle wheels comprising at least one structural element comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising a predispersion of natural rubber and lignin obtained by co-precipitation from latex, where said lignin has a concentration of phenolic groups higher than 2 mmol per gram of lignin, and where said predispersion comprises an amount of said lignin such as to provide, in said crosslinkable elastomeric composition, a concentration of lignin equal to or lower than about 25 phr.Type: ApplicationFiled: December 19, 2016Publication date: August 27, 2020Applicant: Pirelli Tyre S.p.A.Inventors: Luca CASTELLANI, Thomas HANEL, Luca ZOIA, Marco ORLANDI, Davide BARANA
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Patent number: 10696824Abstract: A (iso-styrene/trans-butadiene): diene-terminated copolymer is described which includes (i) a polymeric block of styrene-butadiene consisting of a random sequence of butadiene in trans conformation and styrene in isotactic configuration, and (ii) a terminal polymeric block consisting of a sequence of one or more dienic monomers.Type: GrantFiled: September 29, 2017Date of Patent: June 30, 2020Assignee: PIRELLI TYRE S.P.A.Inventors: Luca Castellani, Thomas Hanel, Enrico Albizzati, Antonio Proto, Carmine Capacchione, Maurizio Galimberti
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Patent number: 10682885Abstract: A tyre for wheels of vehicles, in particular motor vehicles, is described. The tyre has a tread with at least one copolymer selected from iso-styrene: diene-terminated copolymers. The tread has less sensitivity to the effects of temperature, with less weakness, better consistency of performances, and improved characteristics in terms of grip and/or resistance to laceration.Type: GrantFiled: April 27, 2016Date of Patent: June 16, 2020Assignee: PIRELLI TYRE S.P.A.Inventors: Luca Castellani, Thomas Hanel, Enrico Albizzati, Antonio Proto, Carmine Capacchione
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Patent number: 10557022Abstract: A tyre for wheels of vehicles, in particular motor vehicles, is described. The tyre has a tread with at least one copolymer of (iso-styrene/trans-butadiene): diene-terminated copolymers. The tread has less sensitivity to the effects of temperature, with less weakness, better consistancy of performances, and improved characteristics in terms of grip and/or resistance to laceration.Type: GrantFiled: April 27, 2016Date of Patent: February 11, 2020Assignees: PIRELLI TYRE S.P.A., POLITECNICO DI MILANOInventors: Luca Castellani, Thomas Hanel, Enrico Albizzati, Antonio Proto, Carmine Capacchione, Maurizio Galimberti
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Publication number: 20180215202Abstract: A tire for wheels of vehicles, in particular motor vehicles, is described. The tire has a tread with at least one iso-styrene/trans-butadiene elastomeric copolymer with a styrene content higher than 30% by weight with respect to the total weight of copolymer and a molecular weight higher than 500,000. The tread has improved dynamic-mechanical behaviour at high temperatures, with higher dynamic modulus and hysteresis values, and at the same time better properties at break, optimum elasticity at low temperature and higher abrasion resistance.Type: ApplicationFiled: July 28, 2016Publication date: August 2, 2018Inventors: Luca CASTELLANI, Thomas HANEL, Davide DALL'ABACO, Enrico ALBIZZATI, Antonio PROTO, Carmine CAPACCHIONE
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Publication number: 20180079257Abstract: A tyre for wheels of vehicles, in particular motor vehicles, is described. The tyre has a tread with at least one copolymer selected from iso-styrene: diene-terminated copolymers. The tread has less sensitivity to the effects of temperature, with less weakness, better consistency of performances, and improved characteristics in terms of grip and/or resistance to laceration.Type: ApplicationFiled: April 27, 2016Publication date: March 22, 2018Inventors: Luca CASTELLANI, Thomas HANEL, Enrico ALBIZZATI, Antonio PROTO, Carmine CAPACCHIONE
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Publication number: 20180057668Abstract: A tyre for wheels of vehicles, in particular motor vehicles, is described. The tyre has a tread with at least one copolymer of (iso-styrene/trans-butadiene):diene-terminated copolymers. The tread has less sensitivity to the effects of temperature, with less weakness, better consistency of performances, and improved characteristics in terms of grip and/or resistance to laceration.Type: ApplicationFiled: April 27, 2016Publication date: March 1, 2018Inventors: Luca CASTELLANI, Thomas HANEL, Enrico ALBIZZATI, Antonio PROTO, Carmine CAPACCHIONE, Maurizio GALIMBERTI
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Publication number: 20180051118Abstract: A (iso-styrene/trans-butadiene):diene-terminated copolymer is described which includes (i) a polymeric block of styrene-butadiene consisting of a random sequence of butadiene in trans conformation and styrene in isotactic configuration, and (ii) a terminal polymeric block consisting of a sequence of one or more dienic monomers.Type: ApplicationFiled: September 29, 2017Publication date: February 22, 2018Inventors: Luca CASTELLANI, Thomas HANEL, Enrico ALBIZZATI, Antonio PROTO, Carmine CAPACCHIONE, Maurizio GALIMBERTI
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Publication number: 20180044455Abstract: An iso-styrene:diene-terminated copolymer is described which includes (i) a polymeric block of styrene and/or substituted styrene consisting of a sequence of styrene and/or substituted styrene in isotactic configuration, and (ii) a terminal polymeric block consisting of a sequence of one or more dienic monomers.Type: ApplicationFiled: September 27, 2017Publication date: February 15, 2018Inventors: Luca CASTELLANI, Thomas HANEL, Enrico ALBIZZATI, Antonio PROTO, Carmine CAPACCHIONE
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Publication number: 20170036408Abstract: A process for producing tyres with auxiliary components for vehicle wheels is described. The process includes i) covering the external surface of an expandable chamber for tyre vulcanisation and moulding apparatuses with a first substantially cross-linkable polysiloxane composition and ii) covering the radially inner surface of the impermeable elastomeric material layer of the green tyre with a second substantially non-cross-linkable polysiloxane composition. An expandable chamber for tyre vulcanisation and moulding apparatuses and, a process for treating the expandable chamber are also described.Type: ApplicationFiled: April 28, 2015Publication date: February 9, 2017Inventors: Albert BERENGUER, Luca CASTELLANI, Riccardo MICELI
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Patent number: 8475920Abstract: Cable including at least one core comprising at least one transmissive element and at least one coating layer made of a coating material, wherein said coating material comprises: —at least one polyethylene; —at least one non-ionic surfactant having the following general formula (I): wherein: —Q is a p-functional group; —R is a linear or branched C1-C4 alkyl group, preferably a methyl group; —R1 is a hydrogen atom or a linear or branched C1-C6 alkyl group, preferably a hydrogen atom; —n is an integer from 2 to 5 inclusive, preferably 2; —x is an integer from 5 to 500 inclusive, preferably from 10 to 300 inclusive; —y is an integer from 0 to 500 inclusive, preferably from 10 to 300 inclusive; —z is an integer from 0 to 500 inclusive, preferably from 10 to 300 inclusive; —y+z is not lower than 2; —p is an integer from 1 to 4 inclusive, preferably 1 or 4; provided that, when the transmissive element is an electrical energy transmissive element, said at least one coating layer is an external sheathing layer.Type: GrantFiled: June 28, 2004Date of Patent: July 2, 2013Assignee: Prysmian Cavi E Sistemi Energia SRLInventors: Andrea Pelizzoni, Luca Castellani, Franco Peruzzotti, Cristiano Puppi
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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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Patent number: 7829164Abstract: A utility pole includes a thermoplastic composite material including: (a) at least one olefin polymer; and (b) at least one reinforcing fiber material embedded in the at least one olefin polymer, the thermoplastic composite material having a specific tensile strength higher than or equal to 15 MPa/(gr/cm3), preferably 20 MPa/(gr/cm3) to 200 MPa/(gr/cm3), and more preferably 30 MPa/(gr/cm3) to 150 MPa/(gr/cm3) and a specific tensile modulus higher than or equal to 2000 MPa/(gr/cm3), preferably 2500 MPa/(gr/cm3) to 20000 MPa/(gr/cm3), and more preferably 3000 MPa/(gr/cm3) to 15000 MPa/(gr/cm3).Type: GrantFiled: October 7, 2005Date of Patent: November 9, 2010Assignee: Pirelli & C. S.p.A.Inventors: Luca Castellani, Stefano Testi, Massimiliano Pavan, Thomas Ponta
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Patent number: 7764855Abstract: An optical fiber having: a) a glass portion; and b) at least one protective coating layer disposed to surround the glass portion, the protective coating layer having a modulus of elasticity value between ?40° C. and +60° C. between 5 MPa and 600 MPa, preferably not higher than 500 MPa, more preferably not higher than 450 MPa and much more preferably not higher than 300. Preferably the protective coating layer is a single protective coating layer which is disposed in contact with the glass portion.Type: GrantFiled: October 7, 2002Date of Patent: July 27, 2010Assignee: Prysmian Cavi e Sistemi Energia S.R.L.Inventors: Giacomo Stefano Roba, Lidia Terruzzi, Sabrina Fogliani, Luca Castellani, Emiliano Resmini, Raffaella Donetti, Lisa Grassi