Granted Patent
Utility
US 6,087,357 · App. 09/091,269
Piperazine derivatives as tachykinin antagonists
Inventors:
Masaaki Matsuo, Takashi Manabe, Nobukiyo Konishi, Kazuhiko Take, Norihiro Igari, Shinji Shigenaga, Hiroshi Matsuda, Tadashi Terasaka
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Jun 18, 1998
Inventors
Masaaki Matsuo
Takashi Manabe
Nobukiyo Konishi
Kazuhiko Take
Norihiro Igari
Shinji Shigenaga
Hiroshi Matsuda
Tadashi Terasaka
Assignee (at issue)
Fujisawa 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.