Granted Patent
Utility
US 6,372,153 · App. 09/508,541
Fluoroalkoxybenzene derivatives having ether bond, liquid-crystal composition, and liquid-crystal display element
Inventors:
Norio Tamura, Hiroyuki Takeuchi, Shuichi Matsui, Kazutoshi Miyazawa, Yasusuke Hisatsune, Fusayuki Takeshita, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Mar 13, 2000
Inventors
Norio Tamura
Hiroyuki Takeuchi
Shuichi Matsui
Kazutoshi Miyazawa
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.