Patents by Inventor Pierre Bonhomme

Pierre Bonhomme 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).

  • Patent number: 4177156
    Abstract: Liquid, non-flammable dielectric compositions especially adapted as insulators/coolants for transformers are comprised of [1] a mixture of polychlorobenzenes, including a major amount of an at least trichlorinated benzene and a minor amount of ortho-dichlorobenzene, and [2] an alkylaromatic hydrocarbon or a partially hydrogenated bi- or terphenyl.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: December 4, 1979
    Assignee: Rhone-Poulenc Industries
    Inventors: Pierre Jay, Pierre Bonhomme