Patents by Inventor John F. Romanick

John F. Romanick 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).

  • Neoprene latex contact adhesives
    Patent number: 4485200
    Abstract: Conventional carboxylated neoprene latex adhesives are improved with respect to their metal adhesion, heat and water resistance and bonding range by the addition thereto of an epoxy resin, preferably an epoxy resin prepared by the reaction of para-aminophenol with epichlorohydrin.
    Type: Grant
    Filed: February 3, 1982
    Date of Patent: November 27, 1984
    Assignee: National Starch and Chemical Corporation
    Inventors: Witold Perlinski, Irwin J. Davis, John F. Romanick
  • 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
  • Neoprene latex contact adhesives
    Patent number: 4342843
    Abstract: The metal adhesion and heat and water resistance of conventional neoprene latex adhesives are improved by the addition thereto of a polyamine 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 24, 1981
    Date of Patent: August 3, 1982
    Assignee: National Starch and Chemical Corp.
    Inventors: Witold Perlinski, Irwin J. Davis, John F. Romanick