Granted Patent
Utility
US 5,801,180 · App. 08/904,260
Quinazoline derivatives
Inventors:
Yasutaka Takase, Nobuhisa Watanabe, Makoto Matsui, Hironori Ikuta, Teiji Kimura, Takao Saeki, Hideyuki Adachi, Tadakazu Tokumura, Hisatoshi Mochida, Yasunori Akita, Shigeru Souda
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jul 31, 1997
Inventors
Yasutaka Takase
Nobuhisa Watanabe
Makoto Matsui
Hironori Ikuta
Teiji Kimura
Takao Saeki
Hideyuki Adachi
Tadakazu Tokumura
Hisatoshi Mochida
Yasunori Akita
Shigeru Souda
Assignee (at issue)
Eisai Inc.
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.