Granted Patent
Utility
US 6,172,110 · App. 09/260,078
Acylated betulin and dihydrobetulin derivatives, preparation thereof and use thereof
Inventors:
Kuo-Hsiung Lee, I-Chen Sun, Hui-Kang Wang, Louis Mark Cosentino
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Mar 2, 1999
Inventors
Kuo-Hsiung Lee
I-Chen Sun
Hui-Kang Wang
Louis Mark Cosentino
Assignees (at issue)
THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
BBI Biotech Research Laboratories, 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.