Patents by Inventor Henri Eyer

Henri Eyer 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).

  • Process for polymerization of vinyl chloride micro-suspension with metal compounds
    Patent number: 4091197
    Abstract: Micro-suspension polymerization of vinyl chloride monomers and comonomers with a seed in the form of a previously prepared dispersion of the polymer or copolymer containing all of the organo-soluble initiator required for the polymerization, in which the initiator is activated during the polymerization by the addition of an organo-metallic complex of a water-soluble metal salt reacted with a complexing agent.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: May 23, 1978
    Inventors: Nicolas Fischer, Jacques Boissel, Thomas Kemp, Henri Eyer