Patents by Inventor Leon Cuve

Leon Cuve 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).

  • Urethane polymer composition and preparation of articles from these polymers
    Patent number: 5057573
    Abstract: The present invention relates to a urethane polymer composition which contains:an .alpha., .omega.-diol oligomeran isocyanate,a chain extender diol, andan emulsifying agent which is the product of reaction between:(a) an .alpha., .omega.-diol oligomer whose structure is identical or close in polarity to that of the above .alpha., .omega.-diol oligomer,(b) a diisocyanate, and optionally(c) a chain extender of the diol or monoalcohol type, such as a monofunctional polyethylene oxide.It also relates to a process for the preparation of articles from this composition and to the molded articles thus obtained.
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: October 15, 1991
    Assignee: Societe Industrielle d'Applications Nouvelles de Procedes de Moulages Industriels (SAMI)
    Inventors: Jean Pierre Pascault, Leon Cuve