Granted Patent
Utility
US 4,595,781 · App. 06/479,764
N,N'-dithiobisformanilides and their use in diene rubber
Inventor:
Eiichi Morita
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Mar 28, 1983
Inventor
Eiichi Morita
Assignee (at issue)
Monsanto Company
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.