Granted Patent
Utility
US 4,406,875 · App. 06/194,797
Radiolabeled amine compounds and their use
Inventors:
Rudolf de Jong, Jan Nielsen
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Oct 7, 1980
Inventors
Rudolf de Jong
Jan Nielsen
Assignee (at issue)
Byk-Mallinckrodt CIL B.V.
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.