Patents by Inventor Thierry Benvegnu

Thierry Benvegnu 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).

  • Aqueous Bitumen Emulsion
    Publication number: 20070243321
    Abstract: The invention relates to an aqueous bitmen emulsion, comprising bitumen and a surfactant agent, made from esters or amides of glycine betaine, produced by reaction of glycine betaine with a sulphonic acid and an alcohol or amine with a fatty chain derived from vegetable oils. Said bitmen emulsion may be used in the production of road surfaces.
    Type: Application
    Filed: May 3, 2005
    Publication date: October 18, 2007
    Applicant: Eiffage Travaux Publics
    Inventors: Jean-Pierre Antoine, Jerome Marcilloux, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud
  • Surfactant Composition Method For Production Thereof And Cosmetic Comprising Said Composition
    Publication number: 20070197420
    Abstract: The invention relates to surfactant compositions made from esters or amides of the betaine glycine, produced by reaction of the glycine betaine with a sulphonic acid and an alcohol or a fatty-chain amine derived from vegetable oils. The invention further relates to a cosmetic comprising said surfactant composition, in particular, liquid soap, bath foam, shower gel or shampoo.
    Type: Application
    Filed: May 3, 2005
    Publication date: August 23, 2007
    Applicant: ECOLE NATIONALE SUPERIEURE DE CHIME DE RENNES
    Inventors: Jean-Pierre Antoine, Jerome Marcilloux, Martine Lefeuvre, Daniel Plusquellec, Thierry Benvegnu, Fabrice Goursaud, Bernard Parant