Patents by Inventor Philippe Dufosse

Philippe Dufosse 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).

  • Propylene and ethylene/.alpha.-olefin copolymer combinations applicable to the manufacture of mono-oriented yarns
    Patent number: 4563504
    Abstract: A combination of at least one propylene polymer and at least one ethylene/.alpha.-olefin copolymer wherein the combination comprises: (a) 10 to 40 weight percent isotactic polypropylene; and (b) 60 to 90 weight percent ethylene/.alpha.-olefin copolymer, wherein said .alpha.-olefin has at least 4 carbon atoms, and wherein said copolymer has a density between 0.905 and 0.940 g/cm.sup.3 and a melt index between 0.2 and 3 dg/min. Application to the manufacture of mono-oriented yarns.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: January 7, 1986
    Assignee: Societe Chimique des Charbonnages, S.A.
    Inventors: Marius Hert, Philippe Dufosse