Granted Patent
Utility
US 4,522,988 · App. 06/616,767
Method of preparing high cis-1,4 diene polymers having good green strength and tack
Inventors:
Jung W. Kang, James E. Hall
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Jun 4, 1984
Inventors
Jung W. Kang
James E. Hall
Assignee (at issue)
The Firestone 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.