Patents by Inventor Stephen M. Mitchell

Stephen M. Mitchell 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).

  • Ointment having micro bubbles containing a liquid and methods
    Publication number: 20020150596
    Abstract: A topical ointment comprises a base material which itself may comprise mineral oil and polyethylene glycol. Encapsulated within the base material are micro bubbles that contain a liquid. The ointment may further include additional substances encapsulated therein. Application of the topical ointment to a body area provides for the moisturizing and the slow delivery of the additional substance to the applied area. The ointment interacts with the body heat emitted from the body area and dissolves and provides a slow rate of delivery of the materials encapsulated therein.
    Type: Application
    Filed: March 27, 2002
    Publication date: October 17, 2002
    Inventors: Donald R. Carter, Stephen M. Mitchell