Patents by Inventor Philippe Groc

Philippe Groc 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).

  • Smoke-generating composition based on colophony derivatives
    Patent number: 6436210
    Abstract: A smoke-generating redox composition contains one or more esters of colophony or of hydrogenated colophony with an alcohol. Applications include use in a deterrent device.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: August 20, 2002
    Assignee: Etienne Lacroix Tous Artifices S.A.
    Inventors: Philippe Groc, Daniel Grycza, Yann Guelou