Granted Patent
Utility
US 4,579,684 · App. 06/766,684
Process for the manufacture of enol derivatives
Inventors:
Robert B. Woodward, Hans Bickel
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Aug 19, 1985
Inventors
Robert B. Woodward
Hans Bickel
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.