Patents Examined by Richard L. Haymond
  • Cyclic nitrones
    Patent number: 5962469
    Abstract: The present invention is directed to novel cyclic nitrones and their use in the prevention of oxidation tissue damage by free radicals, their use in the treatment of a number of disease states in which radicals either damage or destroy tissues via oxidation, and pharmaceutical compositions containing these cyclic nitrones.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: October 5, 1999
    Assignee: Hoechst Marion Roussel Inc.
    Inventors: Craig E. Thomas, Thomas L. Fevig, Stephen M. Bowen, Robert A. Farr, Albert A. Carr, David A. Janowick
  • Process for the preparation of nitro-substituted arylamines
    Patent number: 5612483
    Abstract: Nitro-substituted aromatics can be directly aminated with amines in the presence of simple bases and oxygen.
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: March 18, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventor: Manfred Jautelat