Granted Patent
Utility
US 6,548,658 · App. 09/990,546
Di-(uridine 5′)-tetraphosphate and salts thereof
Inventor:
Benjamin R. Yerxa
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Nov 20, 2001
Inventor
Benjamin R. Yerxa
Assignee (at issue)
Inspire Pharmaceuticals, 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.