Granted Patent
Utility
US 5,922,243 · App. 08/875,995
Phenylbenzoate derivatives and liquid crystal compositions
Inventors:
Shuichi Matsui, Tomoyuki Kondo, Kazutoshi Miyazawa, Noriyuki Ohnishi, Yasuyuki Goto, Etsuo Nakagawa, Shinichi Sawada
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Aug 11, 1997
Inventors
Shuichi Matsui
Tomoyuki Kondo
Kazutoshi Miyazawa
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.