Granted Patent
Utility
US 4,521,243 · App. 06/561,854
N-Carbonyl-N-(4-substituted benzyl)-4-chloroanilines
Inventors:
Don R. Baker, Teresa M. Tam
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Dec 15, 1983
Inventors
Don R. Baker
Teresa M. Tam
Assignee (at issue)
Stauffer Chemical 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.