Granted Patent
Utility
US 4,933,392 · App. 07/376,796
Curable epoxide resin compositions
Inventors:
Christopher M. Andrews, Christopher Bull, Christopher G. Demmer, William M. Rolfe
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Jul 7, 1989
Inventors
Christopher M. Andrews
Christopher Bull
Christopher G. Demmer
William M. Rolfe
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.