Granted Patent
Utility
US 6,566,341 · App. 10/021,589
Derivative of isoindigo, indigo and indirubin for the treatment of cancer
Inventors:
Longgui Wang, Xiaomei Liu, Ruihuan Chen
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Dec 13, 2001
Inventors
Longgui Wang
Xiaomei Liu
Ruihuan Chen
Assignee (at issue)
Natrogen Therapeutics, 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.