Granted Patent
Utility
US 6,051,288 · App. 08/913,022
Fluorine-substituted liquid-crystal compound, liquid-crystal composition and liquid-crystal display device
Inventors:
Tomoyuki Kondo, Yasuhiro Haseba, Yasuyuki Koizumi, Kazutoshi Miyazawa, Norihisa Hachiya, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Sep 26, 1997
Inventors
Tomoyuki Kondo
Yasuhiro Haseba
Yasuyuki Koizumi
Kazutoshi Miyazawa
Norihisa Hachiya
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.