Patents by Inventor Craig P. Baskin

Craig P. Baskin 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).

  • Facile synthesis of codeine precursors from thebaine
    Patent number: 4277604
    Abstract: Thebaine is converted to a mixture of codeinone and neopinone in aqueous formic acid solution containing as catalyst a mercuric salt. Thebaine is converted to a neopinone ketal by irradiation in an alkanol or to a mixture of neopinone and codeinone in an acidic aqueous solution. Neopinone ketals, codeinone and neopinone can be converted to codeine.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: July 7, 1981
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: William G. Dauben, Craig P. Baskin, Herman C. H. A. vanRiel