Granted Patent
Utility
US 6,461,643 · App. 09/862,063
Oral drug delivery compositions and methods
Inventors:
Sam J. Milstein, Evgueni Barantsevitch, Donald J. Sarubbi, Andrea Leone-Bay, Duncan R. Paton
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: May 21, 2001
Inventors
Sam J. Milstein
Evgueni Barantsevitch
Donald J. Sarubbi
Andrea Leone-Bay
Duncan R. Paton
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.