Granted Patent
Utility
US 4,623,726 · App. 06/485,769
Method for oxidizing alkyl groups on pyridine, quinoline and benzene ring compounds to carboxylic acids under basic conditions
Inventor:
William A. Daniels
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Apr 18, 1983
Inventor
William A. Daniels
Assignee (at issue)
American Cyanamid Company
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.