Granted Patent
Utility
US 6,017,927 · App. 08/860,377
Quinuclidine derivatives and medicinal composition thereof
Inventors:
Makoto Takeuchi, Ryo Naito, Masahiko Hayakawa, Yoshinori Okamoto, Yasuhiro Yonetoku, Ken Ikeda, Yasuo Isomura
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Aug 28, 1997
Inventors
Makoto Takeuchi
Ryo Naito
Masahiko Hayakawa
Yoshinori Okamoto
Yasuhiro Yonetoku
Ken Ikeda
Yasuo Isomura
Assignee (at issue)
Yamanouchi Pharmaceutical 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.