Patents by Inventor Pierre Bourjot

Pierre Bourjot 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).

  • Pipes base on polyolefin resin for manufacturing pipelines and couplings for assembling them
    Patent number: 4927184
    Abstract: Pipes and couplings for manufacturing pipelines comprising a wall having at least one layer of core material consisting essentially of a crosslinked polyolefin resin and at least one layer of surface material consisting essentially of a thermoplastic resin, said core material being crosslinked to a rate higher than 30%.
    Type: Grant
    Filed: February 19, 1988
    Date of Patent: May 22, 1990
    Assignee: Atochem
    Inventors: Pierre Bourjot, Marie-Anne Garnaud