Granted Patent
Utility
US 5,837,161 · App. 08/822,688
Liquid crystal composition and liquid crystal display device
Inventors:
Yasuko Sekiguchi, Katsuyuki Murashiro, Fusayuki Takeshita, Tetsuya Matsushita, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Mar 24, 1997
Inventors
Yasuko Sekiguchi
Katsuyuki Murashiro
Fusayuki Takeshita
Tetsuya Matsushita
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.