Granted Patent
Utility
US 6,174,457 · App. 09/242,333
Compound having alkadienyl group as side chain, and liquid crystal composition using same
Inventors:
Takashi Kato, Kazutoshi Miyazawa, Shuichi Matsui, Noriyuki Ohnishi, Takashi Katoh, Yasuyuki Koizumi, Hiroyuki Takeuchi, Fusayuki Takeshita, Yasusuke Hisatsune
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Feb 11, 1999
Inventors
Takashi Kato
Kazutoshi Miyazawa
Shuichi Matsui
Noriyuki Ohnishi
Takashi Katoh
Yasuyuki Koizumi
Hiroyuki Takeuchi
Fusayuki Takeshita
Yasusuke Hisatsune
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.