Granted Patent
Utility
US 4,668,675 · App. 06/771,752
2-[(amino-pyridinyl)amine]phenyl]aryl methanones, their thioxomethyl, ketal or thioketal analogs
Inventor:
Chandler R. Taylor, Jr.
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Sep 3, 1985
Inventor
Chandler R. Taylor, Jr.
Assignee (at issue)
A. H. Robins Company, Incorporated
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.