Patents by Inventor St?phanie De Landtsheer

St?phanie De Landtsheer 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).

  • Plasticizing system for a rubber composition
    Patent number: 7825183
    Abstract: Plasticising system which can be used for the plasticizing of a diene rubber composition, characterized in that it is based on an MES or TDAE oil and on C5 fraction/vinylaromatic copolymer resin, in particular a copolymer of a C5 fraction and of stirene resin. Rubber composition exhibiting an improved abrasion and cut resistance, said composition being based on at least a diene elastomer, a reinforcing filler, a crosslinking system and a plasticising system comprising between 5 and 35 phr of an MES or TDAE oil and between 5 and 35 phr of such a resin (phr=parts by weight per 100 parts of elastomer). Process for preparing such a composition, use of said composition for the manufacture of a finished article or of a semi-finished product intended for a motor vehicle ground-contact system, in particular a tire and a tread of such a tire.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: November 2, 2010
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Pierre Robert, Stėphanie De Landtsheer, Jean-Michel Favrot, Garance Lopitaux