Patents by Inventor Hugues Xavier DE ROULHAC

Hugues Xavier DE ROULHAC 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).

  • DIFLUORIDE COMPOSITION, METHOD OF PREPARATION, AND USE FOR FROSTING GLASS
    Publication number: 20090039311
    Abstract: A composition with no water consisting essentially of at least one fluoride-ion-generating agent and at least one viscosity modifier, characterized in that its viscosity, measured at 25° C. using a Brookfield™ LVT viscometer fitted with a No. 1 spindle rotating at a speed of 30 revolutions per minute, is between 50 and 5000 mPa·s Method for preparing the composition, dry composition and method of frosting flat glass.
    Type: Application
    Filed: October 14, 2008
    Publication date: February 12, 2009
    Inventors: Yves BESSOLES, Hugues Xavier DE ROULHAC, Gerard TROUVE