Granted Patent
Utility
US 4,429,090 · App. 06/473,472
Catalyst containing oligomeric oxolanyl alkane modifiers and process for the production of polymers having increased 1,2-microstructure
Inventor:
James E. Hall
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Mar 9, 1983
Inventor
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.