Granted Patent
Utility
US 4,469,871 · App. 06/471,961
Process for preparing 2-(lower-alkoxy)-1-(pyridinyl) ethenyl lower-alkyl ketones
Inventor:
Karl O. Gelotte
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Mar 3, 1983
Inventor
Karl O. Gelotte
Assignee (at issue)
Sterling Drug, Inc.
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.