Patents by Inventor Geoffrey Divall

Geoffrey Divall 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 formulations
    Patent number: 4997651
    Abstract: The present invention relates to a new two-component pharmaceutical formulation of melphalan in which the two components comprise(a) freeze-dried mephalan hydrochloride and(b) a solvent-diluent comprising a citrate, propylene glycol and ethanol.Substantially pure melphalan, substantially pure melphalan hydrochloride and methods for preparing them are also described.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: March 5, 1991
    Inventors: Stephen W. Poole, Timothy P. Stanley, Geoffrey Divall, Terence W. Packham, Joseph Knight