Patents by Inventor Max E. Breuer

Max E. Breuer 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).

  • Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydroxyandrostenediones
    Patent number: 4127596
    Abstract: The present invention discloses a process for the production of androsta-4,9(11)-diene-3,17-dione type compounds from 9.alpha.-hydroxyandrostenedione type compounds by non-aromatic oxygenated strong acid dehydration.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: November 28, 1978
    Assignee: The Upjohn Company
    Inventors: John M. Beaton, Joel E. Huber, Amphlett G. Padilla, Max E. Breuer
  • Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydroxyandrostenediones
    Patent number: RE33364
    Abstract: The present invention discloses a process for the production of androsta-4,9(11)-diene-3,17-dione type compounds from 9.alpha.-hydroxyandrostenedione type compounds by non-aromatic oxygenated strong acid dehydration.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: October 2, 1990
    Assignee: The Upjohn Company
    Inventors: John M. Beaton, Joel E. Huber, Amphlett G. Padilla, Max E. Breuer