Patents by Inventor Maurice Troussier

Maurice Troussier 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 high density ion exchange resins and ion exchange resins thus obtained
    Patent number: 4381350
    Abstract: A process for obtaining a dense ion-exchange anionic resin and the product so obtained. The resin is of the type based on a co-polymer of styrene and divinylbenzene. The process involves a liquid phase treatment comprising contacting the resin with bromide in a liquid phase and simultaneously charging the liquid phase with gaseous chlorine while in contact with the resin for reaction to provide a styrene divinylbenzene copolymer ion-exchange anionic resin containing bromine and chlorine groups.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: April 26, 1983
    Assignee: Uranium Pechiney Ugine Kuhlmann
    Inventors: Edouard Grimaud, Maurice Troussier
  • Polytetrafluoroethylene based coating compositions
    Patent number: 4039497
    Abstract: The present invention relates to polytetrafluoroethylene based coating compositions containing polyvinylidene fluoride and lithia (lithium hydroxide). These compositions make it possible to make polytetrafluoroethylene coatings which adhere strongly to various types of substrata.
    Type: Grant
    Filed: October 21, 1975
    Date of Patent: August 2, 1977
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Maurice Troussier, Huynh Van Lang