Patents by Inventor David G. Boardman

David G. Boardman 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).

  • Pharmaceutical compositions of amethocaine free base
    Patent number: 5580901
    Abstract: A storage stable composition for topical anesthesia comprising amethocaine free base, an aqueous gelling agent, and from 1 to 30% by weight of a pharmaceutically acceptable salt is disclosed.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: December 3, 1996
    Assignee: T. J. Smith & Newphew Limited
    Inventors: David G. Boardman, Kevin Maughan