Granted Patent
Utility
US 5,686,018 · App. 08/417,526
Nematic liquid crystal composition
Inventors:
Dietrich Demus, Itsuo Shimizu, Youji Terui
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: Apr 6, 1995
Inventors
Dietrich Demus
Itsuo Shimizu
Youji Terui
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.