Granted Patent
Utility
US 6,063,814 · App. 08/837,085
Phorbol esters as anti-neoplastic and white blood cell elevating agents
Inventors:
Richard L. CHANG, Zheng Tao Han
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Apr 14, 1997
Inventors
Richard L. CHANG
Zheng Tao Han
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.