Granted Patent
Utility
US 4,567,173 · App. 06/364,555
Pyridine, 2,2'-(2-imidazolidinylidene)di-, copper iron and nickel complexes and use in animals
Inventor:
Kurt G. R. Sundelin
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Apr 1, 1982
Inventor
Kurt G. R. Sundelin
Assignee (at issue)
International Minerals & Chemical Corp.
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.