Granted Patent
Utility
US 4,288,583 · App. 06/104,593
Curable mixtures based on maleimides and 1-propenyl-substituted phenols
Inventors:
Abdul-Cader Zahir, Siegfried Wyler
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Dec 17, 1979
Inventors
Abdul-Cader Zahir
Siegfried Wyler
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.