Patents by Inventor Gabriele Perego

Gabriele Perego 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: 20140255692
    Abstract: A cable includes at least one electrical conductor and at least one electrically insulating layer surrounding the electrical conductor, wherein the at least one electrically insulating layer includes: (a) a thermoplastic polymer material selected from: at least one copolymer (I) of propylene with at least one olefin comonomer selected from ethylene and an ?-olefin other than propylene, the copolymer having a melting point greater than or equal to 130° C. and a melting enthalpy of from 20 J/g to 90 J/g; a blend of at least one copolymer (i) with at least one copolymer (ii) of ethylene with at least one ?-olefin, the copolymer (ii) having a melting enthalpy of from 0 J/g to 120 J/g; a blend of at least one propylene homopolymer with at least one copolymer (i) or copolymer (ii); at least one of copolymer (i) and copolymer (ii) being a heterophasic copolymer; (b) at least one dielectric fluid intimately admixed with the thermoplastic polymer material; and (c) at least one nucleating agent.
    Type: Application
    Filed: August 4, 2011
    Publication date: September 11, 2014
    Inventor: Gabriele Perego
  • Publication number: 20130344329
    Abstract: A cable includes at least one electrical conductor and at least one electrically insulating layer surrounding the electrical conductor, wherein the at least one electrically insulating layer includes: (a) a thermoplastic polymer material selected from: at least one copolymer (i) of propylene with at least one olefin comonomer selected from ethylene and an a-olefin other than propylene, the copolymer having a melting point greater than or equal to 130° C.
    Type: Application
    Filed: December 23, 2010
    Publication date: December 26, 2013
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20130233604
    Abstract: A cable includes at least one electrical conductor and at least one electrically insulating layer surrounding the electrical conductor, wherein the at least one electrically insulating layer includes: (a) a thermoplastic polymer material selected from: at least one copolymer (i) of propylene with at least one olefin comonomer selected from ethylene and an ?-olefin other than propylene, the copolymer having a melting point greater than or equal to 130° C.
    Type: Application
    Filed: November 25, 2010
    Publication date: September 12, 2013
    Inventor: Gabriele Perego
  • Patent number: 8410199
    Abstract: The present invention provides polymeric compositions containing thermoplastic starch and a thermoplastic polymer incompatible with starch, in which the starch constitutes the dispersed phase and the thermoplastic polymer constitutes the continuous phase, selected: A) from compositions comprising an agent with an interfacial effect selected from esters of polyols with mono- or polycarboxylic acids with dissociation constants within certain limits, the esters having specific values of the hydrophilic/lipophilic balance index HLB or being amongst the non-ionic surfactants which are soluble in water but cannot significantly be extracted by water from the compositions which contain them; B) from compositions wherein the thermoplastic polymer is an aliphatic or aliphatic-aromatic copolyester wherein the ratio (R) between the average viscometric molecular weight and the melt index is greater than 25,000 and C) from compositions wherein the thermoplastic polymer is selected from aliphatic-aromatic copolyesters, poly
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: April 2, 2013
    Assignee: Novamont S.p.A.
    Inventors: Catia Bastioli, Vittorio Bellotti, Gian Domenico Cella, Luciano Del Giudice, Sandro Montino, Gabriele Perego
  • Patent number: 8378216
    Abstract: An energy cable includes at least one electrical conductor and at least one extruded coating layer including a thermoplastic polymer material in admixture with a dielectric fluid, wherein the dielectric fluid includes a compound of formula (I): X-A-X?; where A is a monocyclic aromatic moiety or an at least partially aromatic condensed polycyclic moiety; and at least one of X and X? is methyl or an aliphatic moiety, in both cases optionally substituted with and/or interrupted by one or more of keto, alkoxy, alkylthio, mercapto, hydroxyalkyl, hydroxyl; the other being hydrogen; the compound having a ratio of number of aromatic carbon atoms to total number of carbon atoms greater than or equal to 0.6.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: February 19, 2013
    Assignee: Prysmian S.p.A.
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20130025909
    Abstract: A cable includes at least one electrical conductor and at least one electrically insulating layer surrounding the electrical conductor, wherein the at least one electrically insulating layer includes: (a) a thermoplastic polymer material selected from: at least one copolymer (i) of propylene with at least one olefin comonomer selected from ethylene and an V-olefin other than propylene, the copolymer having a melting point greater than or equal to 130° C. and a melting enthalpy of from 20 J/g to 90 J/g; a blend of at least one copolymer (i) with at least one copolymer (ii) of ethylene with at least one V-olefin, the copolymer (ii) having a melting enthalpy of from 0 J/g to 70 J/g; a blend of at least one propylene homopolymer with at least one copolymer (i) or copolymer (ii); a blend of at least one propylene homopolymer with at least one copolymer (i) or copolymer (ii); (b) at least one nano-sized filler; wherein at least one of copolymer (i) and copolymer (ii) is a heterophasic copolymer.
    Type: Application
    Filed: January 29, 2010
    Publication date: January 31, 2013
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20130000945
    Abstract: Cable for high voltage direct current transmission, comprising at least one conductor and at least one extruded insulating layer consisting of a polymeric composition comprising a polyethylene and at least one unsaturated fatty acid. Insulating composition, comprising a polyethylene and at least one unsaturated fatty acid.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 3, 2013
    Inventors: Gabriele PEREGO, Enrico Albizzati
  • Patent number: 8257782
    Abstract: Cable for high voltage direct current transmission having at least one conductor and at least one extruded insulating layer consisting of a polymeric composition of a polyethylene and at least one unsaturated fatty acid. Insulating composition having a polyethylene and at least one unsaturated fatty acid.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: September 4, 2012
    Assignee: Prysmian Cavi E Sistemi Energia S.R.L.
    Inventors: Gabriele Perego, Enrico Albizzati
  • Patent number: 8097809
    Abstract: A cable having a conductor and a flame-retardant coating having (a) a polymer matrix; and (b) natural magnesium hydroxide particles having an average size (d50) of 0.5 ?m to 5.0 ?m and an average pore diameter less than or equal to 0.35 ?m.
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: January 17, 2012
    Assignee: Prysmian Cavi e Sistemi Energia S.R.L.
    Inventors: Franco Galletti, Gabriele Perego, Armando Michele Ferrari, Gavin Holden
  • Patent number: 7999188
    Abstract: A cable for transporting or distributing electric energy, especially medium or high voltage electric energy, includes at least one electrical conductor, at least one electrically insulating layer surrounding the electrical conductor, and at least one sheath surrounding the electrically insulating layer, wherein the sheath includes 65% to 95% by weight of at least one thermoplastic ethylene polymer; 5% to 35% by weight of at least one plasticizing agent, the percentages being expressed with respect to the total weight of the sheath. The above sheath guarantees improved flexibility without impairing mechanical properties and particularly thermopressure resistance, which is essential to preserve shape and integrity of the screen layer during cable installation and use at high operating temperatures.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: August 16, 2011
    Assignee: Prysmian S.p.A.
    Inventors: Gabriele Perego, Alberto Bareggi, Sergio Belli
  • Patent number: 7956107
    Abstract: The present invention provides polymeric compositions containing thermoplastic starch and a thermoplastic polymer incompatible with starch, in which the starch constitutes the dispersed phase and the thermoplastic polymer constitutes the continuous phase, selected: A) from compositions comprising an agent with an interfacial effect selected from esters of polyols with mono- or polycarboxylic acids with dissociation constants within certain limits, the esters having specific values of the hydrophilic/lipophilic balance index HLB or being amongst the non-ionic surfactants which are soluble in water but cannot significantly be extracted by water from the compositions which contain them; B) from compositions wherein the thermoplastic polymer is an aliphatic or aliphatic-aromatic copolyester wherein the ratio (R) between the average viscometric molecular weight and the melt index is greater than 25,000 and C) from compositions wherein the thermoplastic polymer is selected from aliphatic-aromatic copolyesters, poly
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: June 7, 2011
    Assignee: Novamont S.p.A.
    Inventors: Catia Bastioli, Vittorio Bellotti, Gian Domenico Cella, Luciano Del Giudice, Sandro Montino, Gabriele Perego
  • Patent number: 7884284
    Abstract: A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two ?-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one ?-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: February 8, 2011
    Assignee: Prysmian Cavi E Sistemi Energia S.r.l.
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20100163269
    Abstract: A cable for transporting or distributing electric energy, especially medium or high voltage electric energy, includes at least one electrical conductor, at least one electrically insulating layer surrounding the electrical conductor, and at least one sheath surrounding the electrically insulating layer, wherein the sheath includes 65% to 95% by weight of at least one thermoplastic ethylene polymer; 5% to 35% by weight of at least one plasticizing agent, the percentages being expressed with respect to the total weight of the sheath. The above sheath guarantees improved flexibility without impairing mechanical properties and particularly thermopressure resistance, which is essential to preserve shape and integrity of the screen layer during cable installation and use at high operating temperatures.
    Type: Application
    Filed: June 28, 2007
    Publication date: July 1, 2010
    Inventors: Gabriele Perego, Alberto Bareggi, Sergio Belli
  • Publication number: 20100126756
    Abstract: An energy cable includes at least one electrical conductor and at least one extruded coating layer including a thermoplastic polymer material in admixture with a dielectric fluid, wherein the dielectric fluid includes a compound of formula (I): X-A-X?; where A is a monocyclic aromatic moiety or an at least partially aromatic condensed polycyclic moiety; and at least one of X and X? is methyl or an aliphatic moiety, in both cases optionally substituted with and/or interrupted by one or more of keto, alkoxy, alkylthio, mercapto, hydroxyalkyl, hydroxyl; the other being hydrogen; the compound having a ratio of number of aromatic carbon atoms to total number of carbon atoms greater than or equal to 0.6.
    Type: Application
    Filed: November 15, 2006
    Publication date: May 27, 2010
    Applicant: PRYSMIAN CAVIESISTEMI ENERGIA
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20090314514
    Abstract: Cables, in particular for low-voltage electrical energy distribution or for telecommunications, have low-smoke self-extinguishing properties, and flame-retardant compositions used therein.
    Type: Application
    Filed: October 27, 2005
    Publication date: December 24, 2009
    Inventors: Franco Galletti, Gabriele Perego, Armando Michele Ferrari, Gavin Holden
  • Publication number: 20090211782
    Abstract: A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two ?-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one ?-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C.
    Type: Application
    Filed: October 25, 2005
    Publication date: August 27, 2009
    Inventors: Gabriele Perego, Sergio Belli
  • Publication number: 20070129468
    Abstract: The present invention provides polymeric compositions containing thermoplastic starch and a thermoplastic polymer incompatible with starch, in which the starch constitutes the dispersed phase and the thermoplastic polymer constitutes the continuous phase, selected: A) from compositions comprising an agent with an interfacial effect selected from esters of polyols with mono- or polycarboxylic acids with dissociation constants within certain limits, the esters having specific values of the hydrophilic/lipophilic balance index HLB or being amongst the non-ionic surfactants which are soluble in water but cannot significantly be extracted by water from the compositions which contain them; B) from compositions wherein the thermoplastic polymer is an aliphatic or aliphatic-aromatic copolyester wherein the ratio (R) between the average viscometric molecular weight and the melt index is greater than 25,000 and C) from compositions wherein the thermoplastic polymer is selected from aliphatic-aromatic copolyesters, poly
    Type: Application
    Filed: January 25, 2007
    Publication date: June 7, 2007
    Inventors: Catia Bastioli, Vittorio Bellotti, Gian Cella, Luciano Del Giudice, Sandro Montino, Gabriele Perego
  • Publication number: 20070123612
    Abstract: The present invention provides polymeric compositions containing thermoplastic starch and a thermoplastic polymer incompatible with starch, in which the starch constitutes the dispersed phase and the thermoplastic polymer constitutes the continuous phase, selected: A) from compositions comprising an agent with an interfacial effect selected from esters of polyols with mono- or polycarboxylic acids with dissociation constants within certain limits, the esters having specific values of the hydrophilic/lipophilic balance index HLB or being amongst the non-ionic surfactants which are soluble in water but cannot significantly be extracted by water from the compositions which contain them; B) from compositions wherein the thermoplastic polymer is an aliphatic or aliphatic-aromatic copolyester wherein the ratio (R) between the average viscometric molecular weight and the melt index is greater than 25,000 and C) from compositions wherein the thermoplastic polymer is selected from aliphatic-aromatic copolyesters, poly
    Type: Application
    Filed: January 25, 2007
    Publication date: May 31, 2007
    Inventors: Catia Bastioli, Vittorio Bellotti, Gian Cella, Luciano Giudice, Sandro Montino, Gabriele Perego
  • Patent number: 7196270
    Abstract: A cable having at least one electrical conductor and at least one extruded covering layer based on a thermoplastic polymer material in admixture with a dielectric liquid. The thermoplastic polymer material is selected from: (a) at least one propylene homopolymer or at least one copolymer of propylene with at least one olefin comonomer; (b) a mechanical mixture of at least one propylene homopolymer or copolymer (a) and (c) at least one elastomeric copolymer or ethylene with at least one aliphatic ?-olefin, and optionally a polyene.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: March 27, 2007
    Assignee: Prysmian Cavi E Sistemi Energia S.r.L.
    Inventors: Gabriele Perego, Cristiana Scelza, Gaia Dell'Anna, Sergio Belli
  • Patent number: 7176251
    Abstract: The present invention provides polymeric compositions containing thermoplastic starch and a thermoplastic polymer incompatible with starch, in which the starch constitutes the dispersed phase and the thermoplastic polymer constitutes the continuous phase, selected: A) from compositions comprising an agent with an interfacial effect selected from esters of polyols with mono- or polycarboxylic acids with dissociation constants within certain limits, the esters having specific values of the hydrophilic/lipophilic balance index HLB or being amongst the non-ionic surfactants which are soluble in water but cannot significantly be extracted by water from the compositions which contain them; B) from compositions wherein the thermoplastic polymer is an aliphatic or aliphatic-aromatic copolyester wherein the ratio (R) between the average viscometric molecular weight and the melt index is greater than 25,000 and C) from compositions wherein the thermoplastic polymer is selected from aliphatic-aromatic copolyesters, poly
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: February 13, 2007
    Assignee: Novamont S.p.A.
    Inventors: Catia Bastioli, Vittorio Bellotti, Gian Domenico Cella, Luciano Del Giudice, Sandro Montino, Gabriele Perego