Granted Patent
Utility
US 4,308,367 · App. 06/004,960
Hydroxyl-containing compositions and their polymerization
Inventors:
George E. Green, Abdul-Cader Zahir
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Jan 19, 1979
Inventors
George E. Green
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.