Patents by Inventor Paul Poullet

Paul Poullet 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 the preparation of a polychloroprene polymer
    Patent number: 5357010
    Abstract: Polychloroprene polymers having stable viscosities and good scorch resistance, as well as excellent mechanical and dynamic properties in vulcanized state, are prepared by polymerizing chloroprene in alkaline aqueous emulsion, in the presence of a free-radical initiator and a combination chain-transfer agent including (1) at least one xanthogen disulfide and (2) at least one bis(acylaminophenyl)polysulfide.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: October 18, 1994
    Assignee: Enichem Elastomeres France SA
    Inventors: Francois Sauterey, Paul Branlard, Paul Poullet