Patents by Inventor Edmund J. Gunter

Edmund J. Gunter 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).

  • One part curing compositions for mercaptan polymers
    Patent number: 3991039
    Abstract: Single component liquid mercaptan containing polymers having at least two terminal mercaptan groups can be cured rapidly by exposure to atmospheric oxygen in the presence of (1) a thiuram and an iron or manganese salt, oxide, hydroxide or metal complex or (2) an iron or manganese dithiocarbamate. A synergistic effect is obtained when calcium peroxide is added to either or both of the above curing systems.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: November 9, 1976
    Assignee: Products Research & Chemical Corporation
    Inventors: Edmund J. Gunter, Melvin B. Young