Granted Patent
Utility
US 5,521,180 · App. 08/495,619
Morpholine derivative
Inventors:
Mitsuo Fujii, Takayuki Suzuki, Satoshi Hayashibe, Shin-ichi Tsukamoto, Shin-ichi Yatsugi, Tokio Yamaguchi
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Aug 3, 1995
Inventors
Mitsuo Fujii
Takayuki Suzuki
Satoshi Hayashibe
Shin-ichi Tsukamoto
Shin-ichi Yatsugi
Tokio Yamaguchi
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.