Granted Patent
Utility
US 4,418,208 · App. 06/388,795
N-Substituted iminodiacetic acids
Inventors:
Adrian D. Nunn, Michael D. Loberg
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Jun 16, 1982
Inventors
Adrian D. Nunn
Michael D. Loberg
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
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.