Granted Patent
Utility
US 5,079,305 · App. 07/402,741
Rubber compositions comprising sulfenimide accelerators
Inventor:
Charles J. Rostek, Jr.
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Sep 5, 1989
Inventor
Charles J. Rostek, Jr.
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.