Patents by Inventor Hechem Nadjar

Hechem Nadjar 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).

  • Binder composition and asphalt mixture
    Patent number: 8076399
    Abstract: A binder composition and asphalt mixture that are suitably used to prepare asphalt pavements are disclosed. The binder composition comprises a resin of vegetable origin, an oil of vegetable origin and a polymer, and the polymer comprises functional groups chosen from carboxylic acid anhydride, carboxylic acid and epoxide groups.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: December 13, 2011
    Assignee: Shell Oil Company
    Inventors: Claire Laurens, Hechem Nadjar, Anne Claire Rebuffatti, Catherine Rodrigues, Kathy Wang, Chantal Soubigou
  • BINDER COMPOSITION AND ASPHALT MIXTURE
    Publication number: 20110015312
    Abstract: A binder composition and asphalt mixture that are suitably used to prepare asphalt pavements are disclosed. The binder composition comprises a resin of vegetable origin, an oil of vegetable origin and a polymer, and the polymer comprises functional groups chosen from carboxylic acid anhydride, carboxylic acid and epoxide groups.
    Type: Application
    Filed: December 5, 2008
    Publication date: January 20, 2011
    Inventors: Claire Laurens, Hechem Nadjar, Anne Claire Rebuffatti, Catherine Rodrigues, Kathy Wang, Chantal Soubigou