Granted Patent
Utility
US 6,045,720 · App. 09/205,613
Pyridine compound and liquid crystalline composition
Inventors:
Ryushi Shundo, Shinichi Saito, Eiji Okabe, Hideo Saito
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 4, 1998
Inventors
Ryushi Shundo
Shinichi Saito
Eiji Okabe
Hideo Saito
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.