Patents by Inventor Vito Scrima

Vito Scrima 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).

  • Publication number: 20220148760
    Abstract: A flame-retardant cable having a core is disclosed. The cable contains at least one conductor and a coating made from a low smoke zero halogen flame-retardant polymer composition. The polymer composition contains a halogen free base polymer added with a) less than 170 phr of at least one metal hydroxide; b) from 1 to 10 phr of a phyllosilicate clay; c) at least 1 phr and less than 10 phr of melamine or a derivative thereof; and d) an alkali or alkaline-earth metal carbonate. The cable has improved reaction to fire performances especially in that no dripping occurs during burning, which renders it compliant with the requirements of the more recent international standards.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 12, 2022
    Applicant: Prysmian S.P.A.
    Inventors: Pauline AUDEBET, Vito SCRIMA, Luigi CAIMI, Flavio CASIRAGHI
  • Publication number: 20210241940
    Abstract: Disclosed herein are flame-retardant electric cables (10) having a core containing an electric conductor (11) and an electrically insulating layer (12) made from a flame-retardant polyolefin-based composition including a) a cross-linked polyolefin as base polymer, b) silica, and c) carbon nanotubes, wherein the amount of silica is from 5 wt % to 10 wt % of the polyolefin-based composition, and the amount of carbon nanotubes is from 0.5 wt % to 2 wt % of the polyolefin-based composition. Such cables have improved flame retardant performances, especially regarding a lower occurrence of droplets during burning, which render them capable of being certified in higher classes of the current international standards, for example of the standard EN 50399:2011/A1 (2016).
    Type: Application
    Filed: April 26, 2018
    Publication date: August 5, 2021
    Applicants: PRYSMIAN S.P.A., POLITECNICO Dl MILANO
    Inventors: Vito SCRIMA, Luigi CAIMI, Massimo GOLA, Attilio CITTERIO
  • Patent number: 10854356
    Abstract: A fire resistant cable comprising: a conducting element (2; 21); a layer, surrounding the conducting element, made of a ceramifiable composition comprising: —a thermoplastic polymer mixture comprising: (a) a copolymer of ethylene with a C4-C12 alpha-olefin, having a density of from 0.860 to 0.910 g/cm3, a melt flow index not higher than 3 g/10 min and a melting point of 105° C. at most; (b) an ethylene homopolymer or copolymer of ethylene with a C4-C12 alpha-olefin, having a density of from 0.900 to 0.985 g/cm3, a melt flow index not higher than 5 g/10 min and a melting point of at least 110° C.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 1, 2020
    Assignee: PRYSMIAN S.p.A.
    Inventors: Vito Scrima, Fabio Tosi, Marco Andreoletti, Carlo Castelli
  • Publication number: 20200294691
    Abstract: A fire resistant cable comprising: a conducting element (2; 21); a layer, surrounding the conducting element, made of a ceramifiable composition comprising: —a thermoplastic polymer mixture comprising: (a) a copolymer of ethylene with a C4-C12 alpha-olefin, having a density of from 0.860 to 0.910 g/cm3, a melt flow index not higher than 3 g/10 min and a melting point of 105° C. at most; (b) an ethylene homopolymer or copolymer of ethylene with a C4-C12 alpha-olefin, having a density of from 0.900 to 0.985 g/cm3, a melt flow index not higher than 5 g/10 min and a melting point of at least 110° C.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 17, 2020
    Applicant: PRYSMIAN S.p.A
    Inventors: Vito SCRIMA, Fabio TOSI, Marco ANDREOLETTI, Carlo CASTELLI
  • Patent number: 10068684
    Abstract: A fire resistant cable comprising: at least one conducting element; at least one layer, surrounding said conducting element, made of a ceramifiable composition comprising: a polymeric material comprising an ethylene/vinyl acetate copolymer as main polymer; at least 25 wt % of silica; a fluxing agent selected from alkaline metal oxides or precursors thereof; a stabilizing agent comprising at least one of MgO, CaO, PbO, B2O3, or a precursor thereof; from 0.1 wt % to 5 wt % of a hydroxide selected from magnesium hydroxide, aluminum hydroxide and mixtures thereof; the above percentages being expressed with respect to the weight of the ceramifiable composition. Upon exposure to elevated temperatures such as those encountered in case of fire, the ceramifiable composition is transformed into a ceramic material capable of protecting the conducting element from fire and mechanical stresses. The fire resistant cable of the present invention can continue operating under fire conditions for a certain period of time.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: September 4, 2018
    Assignee: PRYSMIAN S.p.A.
    Inventors: Vito Scrima, Fabio Tosi
  • Publication number: 20170250007
    Abstract: A fire resistant cable comprising: at least one conducting element; at least one layer, surrounding said conducting element, made of a ceramifiable composition comprising: a polymeric material comprising an ethylene/vinyl acetate copolymer as main polymer; at least 25 wt % of silica; a fluxing agent selected from alkaline metal oxides or precursors thereof; a stabilizing agent comprising at least one of MgO, CaO, PbO, B2O3, or a precursor thereof; from 0.1 wt % to 5 wt % of a hydroxide selected from magnesium hydroxide, aluminium hydroxide and mixtures thereof; the above percentages being expressed with respect to the weight of the ceramifiable composition. Upon exposure to elevated temperatures such as those encountered in case of fire, the ceramifiable composition is transformed into a ceramic material capable of protecting the conducting element from fire and mechanical stresses. The fire resistant cable of the present invention can continue operating under fire conditions for a certain period of time.
    Type: Application
    Filed: September 12, 2014
    Publication date: August 31, 2017
    Applicant: PRYSMIAN S.p.A
    Inventors: Vito SCRIMA, Fabio TOSI
  • Patent number: 9605127
    Abstract: A process for recovering wastes of a polymeric composition including at least one peroxide-curable polymer and at least one peroxidic crosslinking agent, which includes compounding the wastes with at least one antioxidant agent suitable for sulfur-vulcanized elastomeric compositions, at a temperature lower than the decomposition temperature of the at least one peroxide crosslinking agent. The compounding of the polymeric wastes with the antioxidant agent is carried out at a temperature lower than the decomposition temperature of the peroxide crosslinking agent, so as to avoid any premature activation of the crosslinking agent. The process is particularly suitable for compositions based on elastomeric polyolefins, more preferably for elastomeric ethylene copolymers such as ethylene-propylene copolymers (EPR) and ethylene-propylene-diene terpolymers (EPDM), which can be processed at relatively low temperatures, much lower than the decomposition temperatures of the most common peroxide crosslinking agents.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: March 28, 2017
    Assignee: PRYSMIAN S.P.A
    Inventors: Franco Galletti, Vito Scrima
  • Publication number: 20150284528
    Abstract: A process for recovering wastes of a polymeric composition including at least one peroxide-curable polymer and at least one peroxidic crosslinking agent, which includes compounding the wastes with at least one antioxidant agent suitable for sulfur-vulcanized elastomeric compositions, at a temperature lower than the decomposition temperature of the at least one peroxide crosslinking agent. These antioxidant agents are effective to quench the peroxide crosslinking agent, so as to avoid any substantial crosslinking of the composition during processing of the same. The compounding of the polymeric wastes with the antioxidant agent is carried out at a temperature lower than the decomposition temperature of the peroxide crosslinking agent, so as to avoid any premature activation of the crosslinking agent.
    Type: Application
    Filed: November 14, 2012
    Publication date: October 8, 2015
    Inventors: Franco Galletti, Vito Scrima