Granted Patent
Utility
US 4,337,312 · App. 06/181,545
Process for producing anthracycline glycosides
Inventors:
Toshikazu Oki, Akihiro Yoshimoto, Kageaki Kouno, Taiji Inui, Tomio Takeuchi, Hamao Umezawa
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Aug 26, 1980
Inventors
Toshikazu Oki
Akihiro Yoshimoto
Kageaki Kouno
Taiji Inui
Tomio Takeuchi
Hamao Umezawa
Assignee (at issue)
Sanraku-Ocean Co., Ltd.
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.