Granted Patent
Utility
US 5,283,329 · App. 08/025,301
Amino protecting group
Inventor:
Leland O. Weigel
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 2, 1993
Inventor
Leland O. Weigel
Assignee (at issue)
Eli Lilly and 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.