Granted Patent
Utility
US 4,713,381 · App. 06/867,170
Oxodiazine compounds and pharmaceutical compositions thereof
Inventors:
Hideki Ao, Minoru Obata, Tsutomu Yamanaka, Hiroshi Mikashima
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: May 27, 1986
Inventors
Hideki Ao
Minoru Obata
Tsutomu Yamanaka
Hiroshi Mikashima
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.