Granted Patent
Utility
US 5,720,899 · App. 08/775,199
Liquid crystalline compound, liquid crystal composition and liquid crystal display element
Inventors:
Tomoyuki Kondo, Kazutoshi Miyazawa, Atsuko Fujita, Noriyuki Ohnishi, Yasuyuki Goto, Etsuo Nakagawa, Shinichi Sawada
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Dec 30, 1996
Inventors
Tomoyuki Kondo
Kazutoshi Miyazawa
Atsuko Fujita
Noriyuki Ohnishi
Yasuyuki Goto
Etsuo Nakagawa
Shinichi Sawada
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.