Granted Patent
Utility
US 6,822,004 · App. 10/658,881
Polycosanols from ericerus pela wax
Inventors:
Qi Jia, Ji-Fu Zhao
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Sep 9, 2003
Inventors
Qi Jia
Ji-Fu Zhao
Assignee (at issue)
Unigen 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.