Granted Patent
Utility
US 5,328,697 · App. 07/833,197
Compositions and processes for the sustained release of drugs
Inventors:
Siva N. Raman, Matthew GRAY, Rodger L. Smith
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Feb 10, 1992
Inventors
Siva N. Raman
Matthew GRAY
Rodger L. Smith
Assignee (at issue)
Mallinckrodt Veterinary, 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.