Granted Patent
Utility
US 6,333,435 · App. 08/443,616
Process of synthesizing binaphthyl derivatives
Inventors:
Dongwei Cai, David L. Hughes, Sylvain Levac, Thomas R. Verhoeven
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: May 18, 1995
Inventors
Dongwei Cai
David L. Hughes
Sylvain Levac
Thomas R. Verhoeven
Assignee (at issue)
MERCK & CO., INC.
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.