Patents by Inventor Eduardo Redondo Grizante

Eduardo Redondo Grizante 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).

  • Patent number: 6255399
    Abstract: A cable, in particular for power transmission, for telecommunications or for data transmission, or also combined power/telecommunications cables, wherein at least one coating layer consists of a recyclable material which is halogen-free and has superior mechanical and electrical properties. This material consists of a polymer mixture comprising: (a) a crystalline propylene homopolymer or copolymer; and (b) a copolymer of ethylene with at least one alpha-olefin having from 4 to 12 carbon atoms, and optionally with a diene; the said copolymer (b) being characterized by a density of between 0.90 and 0.86 g/cm3 and by a Composition Distribution Index, defined as the weight percentage of copolymer molecules having an alpha-olefin content within 50% of the average total molar content of alpha-olefin, of greater than 45%.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: July 3, 2001
    Assignee: Pirelli Cavi e Sistemi S.p.A.
    Inventors: Luca Castellani, Eduardo Redondo Grizante, Antonio Zaopo, Enrico Albizzati
  • Patent number: 6162548
    Abstract: A cable, in particular for power transmission, for telecommunications or for data transmission, or also combined power/telecommunications cables, wherein at least one coating layer consists of a recyclable material which is halogen-free and has superior mechanical and electrical properties. This material consists of a polymer mixture comprising: (a) a crystalline propylene homopolymer or copolymer; and (b) an elastomeric copolymer of ethylene with at least one alpha-olefin having from 3 to 12 carbon atoms, and optionally with a diene; the said copolymer (b) being characterized by a 200% tension set value (measured at 20.degree. C. for 1 minute according to ASTM standard D 412) lower than 30%.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: December 19, 2000
    Assignee: Pirelli Cavi e Sistemi S.p.A.
    Inventors: Luca Castellani, Eduardo Redondo Grizante, Antonio Zaopo, Enrico Albizzati