Granted Patent
Utility
US 5,679,751 · App. 08/599,542
Solution polymerization process for synthesis of styrene-butadiene or styrene-isoprene rubber
Inventors:
Adel Farhan Halasa, Laurie Elizabeth Austin, Wen-Liang Hsu, Bill B. Gross
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Feb 12, 1996
Inventors
Adel Farhan Halasa
Laurie Elizabeth Austin
Wen-Liang Hsu
Bill B. Gross
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.