Granted Patent
Utility
US 6,180,140 · App. 08/460,265
Modified amino acids for drug delivery
Inventors:
Andrea Leone-Bay, Nai Fang Wang
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jun 2, 1995
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.