Granted Patent
Utility
US 4,366,189 · App. 06/214,946
4-Heterocyclyl-4'-vinylstilbenes
Inventors:
Kurt Burdeska, Guglielmo Kabas, Kurt Weber
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Dec 10, 1980
Inventors
Kurt Burdeska
Guglielmo Kabas
Kurt Weber
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.