Granted Patent
Utility
US 4,824,919 · App. 06/819,669
Toughening of cured vinyl ester resins by inclusion in the uncured resins of oligomeric vinyl-reactive urethanes which phase out upon curing
Inventors:
Alvin W. Baker, Patrick H. Martin
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Jan 17, 1986
Inventors
Alvin W. Baker
Patrick H. Martin
Assignee (at issue)
THE DOW CHEMICAL 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.