Granted Patent
Utility
US 4,617,359 · App. 06/798,545
High molecular weight polyacrylamide synthesis
Inventor:
Robert A. Smith
Patented Case
View Patent ↗
Granted: Oct 14, 1986
Filed: Nov 15, 1985
Inventor
Robert A. Smith
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.