Granted Patent
Utility
US 6,485,799 · App. 09/600,901
Aniline derivatives, liquid-crystal composition containing the same, and liquid-crystal display element
Inventors:
Atsuko Fujita, Norio Tamura, Hiroyuki Tekeuchi, Fusayuki Takeshita, Nobumasa Nakamura, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jul 24, 2000
Inventors
Atsuko Fujita
Norio Tamura
Hiroyuki Tekeuchi
Fusayuki Takeshita
Nobumasa Nakamura
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.