Granted Patent
Utility
US 6,033,686 · App. 09/184,096
Controlled release tablet of bupropion hydrochloride
Inventor:
Pawan Seth
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Oct 30, 1998
Inventor
Pawan Seth
Assignee (at issue)
PHARMA PASS 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.