Granted Patent
Utility
US 6,143,889 · App. 09/209,940
Asymmetric stilbene compounds
Inventors:
Georges Metzger, Dieter Reinehr, Claude Eckhardt, Fabienne Cuesta
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Dec 11, 1998
Inventors
Georges Metzger
Dieter Reinehr
Claude Eckhardt
Fabienne Cuesta
Assignee (at issue)
Ciba Specialty Chemicals 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.