Granted Patent
Utility
US 6,465,014 · App. 09/814,084
pH-dependent sustained release, drug-delivery composition
Inventors:
Antonio Moroni, William Drefko
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Mar 21, 2001
Inventors
Antonio Moroni
William Drefko
Assignee (at issue)
ISP INVESTMENTS LLC
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.