Patents by Inventor Carol L. Drinnan

Carol L. Drinnan 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).

  • Nylon 6 having improved affinity for cationic dyes
    Patent number: 4166080
    Abstract: Nylon 6 containing a metal salt of a copolymer of a vinyl ether and 2-acrylamido-2-methylpropanesulfonic acid to improve its affinity for cationic dyes is provided.
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: August 28, 1979
    Assignee: Akzona Incorporated
    Inventors: Neal E. Franks, Carol L. Drinnan