Patents Examined by Ana Carrillo
  • Neoprene latex contact adhesives
    Patent number: 4463110
    Abstract: The metal adhesion and heat and water resistance of conventional neoprene latex adhesives are improved by the addition thereto of a polyfunctional amine and an epoxy resin wherein for every 100 parts by weight of dry neoprene, the epoxy is added in an amount of 10-40 parts and the amine is added in an amount sufficient to provide 50-150% of the stoichiometric amount required to cure the epoxy.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: July 31, 1984
    Assignee: National Starch and Chemical Corporation
    Inventors: Witold Perlinski, Irwin J. Davis, John F. Romanick