Patents by Inventor Elizabeth A. Vail

Elizabeth A. Vail 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: 5286720
    Abstract: Compositions for topical treatment of lesions of human or animal skin which comprise dimethyl ether to freeze the tissue and an acid capable of dissolving the intercellular matrix of the lesion. The dimethyl ether and acid are present in the composition in amounts effective to remove the lesion in a single treatment by a combination of cryogenic and keratolytic action. Methods are provided for the topical treatment of lesions of the skin of human or animal subjects comprising direct spray or intermediate swab application of the present compositions to the lesions.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: February 15, 1994
    Assignee: Solarcare Technologies Corporation
    Inventors: Raymond S. Niedbala, Elizabeth A. Vail