Granted Patent
Utility
US 6,372,863 · App. 09/618,312
Synthesis of styrene-butadiene rubber
Inventors:
Michael Lester Kerns, Zhengfang Xu, Scott M. Christian
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Jul 18, 2000
Inventors
Michael Lester Kerns
Zhengfang Xu
Scott M. Christian
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.