Patents by Inventor Agnès Marchand

Agnès Marchand 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).

  • Use of an oil composition for temporary treatment of metal surfaces
    Patent number: 6919302
    Abstract: The invention concerns the use of an oil composition for temporarily protecting and lubricating metal surfaces, characterised in that said composition contains: at least 30% of at least a saturated or unsaturated C?18 fatty acid triglyceride (Compound A); 5 to 30% of at least a C?18 fatty acid triglyceride with oleic acid content of at least 60 wt. % (Compound B); 5 to 30% of at least an ester derived from condensation of a C1-C12, preferably, C1-C2 aliphatic alcohol, with a C?18 fatty acid (Compound C); and optionally 5 to 20% of at least an amide derived from condensation of a C?18 ?fatty acid, and a C2-C6 mono- di- or tri-alkanolamine (Compound D). The invention also concerns a corresponding oil composition.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 19, 2005
    Assignee: Usinor
    Inventors: Philippe Legros, Jean-Luc Olive, Agnès Marchand
  • Use of an oil composition for temporary treatment of metal surfaces
    Publication number: 20040029749
    Abstract: Furthermore, the tribological aspect is also improved since the friction coefficient goes from 0.08 with the steel coated with formulation I to 0.06 with the steel coated with formulation II.
    Type: Application
    Filed: November 15, 2002
    Publication date: February 12, 2004
    Inventors: Philippe Legros, Jean-Luc Olive, Agnes Marchand