Granted Patent
Utility
US 4,045,484 · App. 05/698,452
Process for preparing N'-methyl acethydrazide
Inventors:
Russell E. Malz, Jr., Roger W. Amidon, Harold Greenfield
Patented Case
View Patent ↗
Granted: Aug 30, 1977
Filed: Jun 21, 1976
Inventors
Russell E. Malz, Jr.
Roger W. Amidon
Harold Greenfield
Assignee (at issue)
Uniroyal Ltd.
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.