Patents by Inventor Hans A. Bates

Hans A. Bates 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).

  • 1,3-dibenzyl-4-halohexahydro-1H-thieno[3,4-d]imidazol-2(3H)-one intermediates
    Patent number: 4656289
    Abstract: Novel synthetic routes to (3a.alpha.,6a.alpha.)-1,3-dibenzyl hexahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide, a known intermediate in the synthesis of biotin are provided.A novel synthetic route from this intermediate to biotin is also disclosed.
    Type: Grant
    Filed: October 25, 1984
    Date of Patent: April 7, 1987
    Assignee: The Research Foundation of State Univ. of New York
    Inventors: Hans A. Bates, Stuart Rosenblum