Granted Patent
Utility
US 5,721,317 · App. 08/679,164
Crosslinkable waterborne dispersions of hydroxy functional polydiene polymers and amino resins
Inventors:
David J. St. Clair, James R. Erickson
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jul 12, 1996
Inventors
David J. St. Clair
James R. Erickson
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.