Granted Patent
Utility
US 4,384,129 · App. 06/258,196
Propenyl-substituted phenolglycidyl ethers, processes for producing them, and their use
Inventors:
Sheik A. Zahir, Sameer H. Eldin
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Apr 27, 1981
Inventors
Sheik A. Zahir
Sameer H. Eldin
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.