Granted Patent
Utility
US 5,036,133 · App. 07/420,485
Rubber compositions containing a vinylpyridine-butadiene interpolymer co-activator
Inventor:
Aubert Y. Coran
Patented Case
View Patent ↗
Granted: Jul 30, 1991
Filed: Oct 12, 1989
Inventor
Aubert Y. Coran
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.