Granted Patent
Utility
US 4,804,763 · App. 06/767,771
Method for preparing chlorine-containing derivatives of pyridine compounds
Inventor:
James Franklin
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Aug 19, 1985
Inventor
James Franklin
Assignee (at issue)
Reilly Chemicals S.A.
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.