Granted Patent
Utility
US 5,665,711 · App. 08/570,978
Antitumor composition for oral administration
Inventors:
Atsushi Sakai, Kyouichi Hirotsu, Hirotsugu Tada, Toshiyuki Shibata
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Dec 12, 1995
Inventors
Atsushi Sakai
Kyouichi Hirotsu
Hirotsugu Tada
Toshiyuki Shibata
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, 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.