Granted Patent
Utility
US 6,552,201 · App. 10/020,329
Preparation of 3,3′-diamino-4,4′-azofurazan
Inventors:
Michael A. Hiskey, David E. Chavez, Robert L. Bishop, John F. Kramer, Scott Kinkead
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 30, 2001
Inventors
Michael A. Hiskey
David E. Chavez
Robert L. Bishop
John F. Kramer
Scott Kinkead
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.