Patents by Inventor Hugues De Roulhac

Hugues 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: 20060124598
    Abstract: Aqueous composition comprising 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 it, dry composition and method of frosting flat glass.
    Type: Application
    Filed: November 29, 2005
    Publication date: June 15, 2006
    Inventors: Yves Bessoles, Hugues De Roulhac, Gerard Trouve