Granted Patent
Utility
US 5,442,047 · App. 08/138,558
Process for preparing isepamicin
Inventors:
Chou-Hong Tann, Tiruvettipuram K. Thiruvengadam, John S. Chiu, Cesar Colon, Michael Green
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Oct 15, 1993
Inventors
Chou-Hong Tann
Tiruvettipuram K. Thiruvengadam
John S. Chiu
Cesar Colon
Michael Green
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.