Granted Patent
Utility
US 6,210,603 · App. 09/308,983
Fluorine-substituted benzene derivative, liquid-crystal composition, and liquid-crystal display element
Inventors:
Tomoyuki Kondo, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Shuichi Matsui, Yasusuke Hisatsune, Fusayuki Takeshita, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: May 28, 1999
Inventors
Tomoyuki Kondo
Kazutoshi Miyazawa
Hiroyuki Takeuchi
Shuichi Matsui
Yasusuke Hisatsune
Fusayuki Takeshita
Etsuo Nakagawa
Assignee (at issue)
Chisso Corporation
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.