Granted Patent
Utility
US 5,948,896 · App. 08/910,218
Processes for preparing 13-deoxy anthracycline derivatives
Inventor:
Xini Zhang
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Aug 13, 1997
Inventor
Xini Zhang
Assignee (at issue)
Gem Pharmaceuticals, 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.