Granted Patent
Utility
US 5,843,752 · App. 08/440,409
Soluble active hepatitis C virus protease
Inventors:
Bimalendu Dasmahapatra, Nancy Butkiewicz
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: May 12, 1995
Inventors
Bimalendu Dasmahapatra
Nancy Butkiewicz
Assignee (at issue)
SCHERING CORPORATION
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.