Granted Patent
Utility
US 5,648,404 · App. 08/225,890
Curatives for phenolic novolacs
Inventor:
Arthur H. Gerber
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Apr 11, 1994
Inventor
Arthur H. Gerber
Assignee (at issue)
Borden 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.