Granted Patent
Utility
US 5,709,820 · App. 08/655,965
Alkenyl cyclohexane derivatives and liquid crystal compositions
Inventors:
Takashi Kato, Shuichi Matsui, Kazutoshi Miyazawa, Yasuko Sekiguchi, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: May 31, 1996
Inventors
Takashi Kato
Shuichi Matsui
Kazutoshi Miyazawa
Yasuko Sekiguchi
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.