Granted Patent
Utility
US 5,834,573 · App. 08/859,984
Synthesis of trans-1,4-polybutadiene
Inventor:
Kenneth F. Castner
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: May 21, 1997
Inventor
Kenneth F. Castner
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER 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.