Granted Patent
Utility
US 6,388,058 · App. 09/486,289
Method of purifying daunomycin
Inventors:
Osamu Johdo, Konomi Iguchi, Takeo Yoshioka
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Feb 25, 2000
Inventors
Osamu Johdo
Konomi Iguchi
Takeo Yoshioka
Assignee (at issue)
Mercian 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.