Patents by Inventor Jacky P. Pattein

Jacky P. Pattein 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: 4366301
    Abstract: The invention relates to the field of crosslinkable thermoplastic polyurethane resins containing ethylenic side groups.This resin preferably results from the reaction of (a) an organic diisocyanate, (b) a saturated linear diol, (c) a diol having a molecular weight of less than 300, and (d) an unsaturated diol consisting of the acrylic or methacrylic acid ester of a trihydric alcohol, of the formula: ##STR1## in which R.sub.3 =Me or H and n is an integer between 1 and 4. 2,3-Dihydroxypropyl acrylate will preferably be used.The polyurethane resin according to the invention can be processed in accordance with the well-known traditional processes for thermoplastics, while at the same time being capable of undergoing crosslinking, by virtue of their unsaturated side groups, to form a three-dimensional lattice.Application to profiles and prepregs.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: December 28, 1982
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Patrice M. Le Roy, Jacky P. Pattein