Granted Patent
Utility
US 6,489,415 · App. 09/730,257
Process for synthesizing trans-1,4-polybutadiene
Inventors:
Wen-Liang Hsu, Adel Farhan Halasa
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Dec 5, 2000
Inventors
Wen-Liang Hsu
Adel Farhan Halasa
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.