Granted Patent
Utility
US 6,376,469 · App. 09/555,066
Crystalline amrubicin hydrochloride
Inventors:
Kozo Shimago, Yuko Uenishi
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: May 24, 2000
Inventors
Kozo Shimago
Yuko Uenishi
Assignee (at issue)
Sumitomo Pharmaceuticals Company Limited
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.