Granted Patent
Utility
US 4,698,408 · App. 06/887,482
Sag resistant two-component urethane adhesives with improved thermal stability
Inventors:
Anil B. Goel, Harvey J. Richards
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jul 21, 1986
Inventors
Anil B. Goel
Harvey J. Richards
Assignee (at issue)
Ashland Oil, Inc.
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.