Granted Patent
Utility
US 6,329,026 · App. 09/155,852
Compositions containing chiral compounds and nematic liquid crystals, and devices using them
Inventors:
Dietrich Demus, Ryokichi Tarao, Hiroyuki Takeuchi, Kazutoshi Miyazawa
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Oct 5, 1998
Inventors
Dietrich Demus
Ryokichi Tarao
Hiroyuki Takeuchi
Kazutoshi Miyazawa
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.