Granted Patent
Utility
US 4,394,492 · App. 06/390,466
Curing epoxide resins in an aquatic environment
Inventor:
Christopher M. Andrews
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Jun 21, 1982
Inventor
Christopher M. Andrews
Assignee (at issue)
Ciba-Geigy
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.