Granted Patent
Utility
US 5,770,108 · App. 08/668,157
Pyrimidine compound and liquid crystal composition and liquid crystal element using the same
Inventors:
Yoshiyuki Totani, Motokazu Hirao, Atsuo Otsuji, Tsutomu Ishida, Hiroe Kayashima, Masakatsu Nakatsuka
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Jun 21, 1996
Inventors
Yoshiyuki Totani
Motokazu Hirao
Atsuo Otsuji
Tsutomu Ishida
Hiroe Kayashima
Masakatsu Nakatsuka
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.