Granted Patent
Utility
US 5,244,889 · App. 07/798,684
Certain macrocyclic lactam derivatives
Inventors:
Lawrence MacPherson, James L. Stanton
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Nov 26, 1991
Inventors
Lawrence MacPherson
James L. Stanton
Assignee (at issue)
Ciba-Geigy
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.