Granted Patent
Utility
US 4,247,670 · App. 06/025,311
Curable mixtures based on maleimide and 2,2,4-trimethyl-1,2-dihydroquinoline
Inventors:
Alfred Renner, Abdul-Cader Zahir
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Mar 30, 1979
Inventors
Alfred Renner
Abdul-Cader Zahir
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.