Patents by Inventor Dennis W. Swanston

Dennis W. Swanston 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).

  • Transdermal formulations
    Patent number: 5612056
    Abstract: An improved transdermal delivery composition is provided comprising a low molecular weight fatty acid, characterised in that it further comprises a long chain fatty acid or a long chain fatty acid lower alkyl ester, wherein the long chain is a C.sub.13 to C.sub.21 chain and preferably contains at least one cis-olefinic bond. Preferred long chain components are oleic acid and ethyl oleate while the preferred low molecular weight fatty acid is propionic acid. The compositions are particularly effective at transdermally delivering physostigmine and its analogues in a stable dosaged manner.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: March 18, 1997
    Assignee: The Secretary of State for Defence in her Britannic Majesty's Government of the United Kingdom of Gt. Britain & Northern Ireland
    Inventors: John Jenner, Dennis W. Swanston, Ahsan Saleem