Granted Patent
Utility
US 5,808,064 · App. 08/908,683
Palladium catalyzed indolization
Inventors:
Cheng-Yi Chen, Robert D. Larsen
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Aug 7, 1997
Inventors
Cheng-Yi Chen
Robert D. Larsen
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.