Patents by Inventor Crystal L. Kendrick

Crystal L. Kendrick 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).

  • Low-irritation anesthetic and antiseptic mouth rinse
    Patent number: 5547657
    Abstract: The present invention relates to a low-irritation anesthetic and antiseptic mouth rinse. The mouth rinse is freeze-thaw stable and is prepared using polyethylene glycol having a number average molecular weight of 200 to 300 which have been found to be compatible with local anesthetics and other ingredients commonly used in mouth rinses.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: August 20, 1996
    Assignee: Eastman Chemical Company
    Inventors: Andy H. Singleton, Crystal L. Kendrick, Reinhold L. Riemer, II, Robin L. Minga