Granted Patent
Utility
US 5,777,043 · App. 08/811,487
Sealant formulations containing high vinyl content hydrogenated styrene-butadiene-styrene block copolymers
Inventors:
David L. Shafer, Linda Oliveri, Glenn R. Himes
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Mar 5, 1997
Inventors
David L. Shafer
Linda Oliveri
Glenn R. Himes
Assignee (at issue)
SHELL OIL 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.