Granted Patent
Utility
US 6,825,236 · App. 10/414,076
Colchicine derivatives
Inventor:
Li-Xi Yang
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Apr 14, 2003
Inventor
Li-Xi Yang
Assignees (at issue)
CALIFORNIA PACIFIC MEDICAL CENTER
Catholic Healthcare West
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.