Patents by Inventor Chaverot Pierre

Chaverot Pierre 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).

  • Bituminous binder emulsion with a viscosity controlled by addition of scleroglucan
    Patent number: 5246986
    Abstract: A bituminous binder emulsion is provided and is formed from a dispersion of an organic phase consisting of a bituminous binder in an aqueous phase incorporating an emulsifying system made up of one or more emulsifying agents, a water-soluble thickener and optionally, a pH regulating agent. The thickener which may be used to control the viscosity of the emulsion incorporates at least 40% scleroglucan by weight. The emulsion obtained may be used for road building applications, water-proofing in civil engineering or construction works, or for industrial purposes.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: September 21, 1993
    Assignee: Elf France
    Inventors: Chaverot Pierre, Francis Demangeon, Huet Yves