Patents by Inventor Darrel D. Hicks

Darrel D. Hicks 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: 4182831
    Abstract: Polyepoxide resins are reacted with a molar excess of a primary amine to form an amine terminated resin, the amine groups of which are then reacted with a monoepoxide. The primary amine is a mixture of an aliphatic monoamine and an aliphatic diamine which contains one primary amine group and one tertiary amine group. The resinous reaction products can be salted with an acid and can be dissolved or dispersed in water. The aqueous dispersions or solutions can then be formulated into primer coatings for metal objects.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: January 8, 1980
    Assignee: Celanese Polymer Specialties Company
    Inventor: Darrel D. Hicks