Granted Patent
Utility
US 6,340,678 · App. 09/380,683
4,4-difluoro-2,3,4,5-tetrahydro-1H-1-benzoazepine derivatives and drug compositions containing them
Inventors:
Akira Matsuhisa, Takeshi Murakami, Shuichi Sakuda, Noriyuki Kawano, Kumiko Shibasaki, Akihiro Tanaka
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Sep 2, 1999
Inventors
Akira Matsuhisa
Takeshi Murakami
Shuichi Sakuda
Noriyuki Kawano
Kumiko Shibasaki
Akihiro Tanaka
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.