Granted Patent
Utility
US 4,959,378 · App. 07/425,713
Aminopyridinylaminophenol compounds useful as topical antiinflammatory agents for the treatment of skin disorders
Inventors:
Richard C. Allen, Joseph T. Klein, Richard C. Effland
Patented Case
View Patent ↗
Granted: Sep 25, 1990
Filed: Oct 24, 1989
Inventors
Richard C. Allen
Joseph T. Klein
Richard C. Effland
Assignee (at issue)
Hoechst Roussel Pharmaceuticals
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.