Granted Patent
Utility
US 5,935,601 · App. 08/732,404
Modified amino acids for drug delivery
Inventors:
Andrea Leone-Bay, Nai Fang Wang
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Oct 22, 1996
Inventors
Andrea Leone-Bay
Nai Fang Wang
Assignee (at issue)
Emisphere Technologies, 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.