Patents by Inventor Gianpiero Talamini

Gianpiero Talamini 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).

  • Polymerization of lactam polyisocyanate having the isocyanate groups blocked with lactam
    Patent number: 4939234
    Abstract: Process of preparing modified polyamides endowed with improved mechanical properties, which process resides in polymerizing an .omega.-lactam in the presence of(a) a polyisocyanate having the isocyanate groups blocked by an .omega.-lactam,(b) a poly-oxy-alkylene-amine, and(c) an alkali metal catalyst.A further object of the invention is the products obtained by means of such a process.
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: July 3, 1990
    Assignee: Montedipe, S.p.A.
    Inventors: Sergio Tonti, Piero Furlan, Gianpiero Talamini, Roberto Pernice