Granted Patent
Utility
US 5,612,373 · App. 08/266,375
Certain diacyl hydrazine derivatives
Inventors:
Andrew G. Brewster, Peter William Rodney Caulkett, Alan Faull, Robert J. Pearce, Richard E. Shute
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Jun 27, 1994
Inventors
Andrew G. Brewster
Peter William Rodney Caulkett
Alan Faull
Robert J. Pearce
Richard E. Shute
Assignee (at issue)
Zeneca Limited
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.