Granted Patent
Utility
US 6,518,421 · App. 09/775,361
Process for the preparation of epothilone analogs
Inventors:
Wen-Sen Li, John E. Thornton, Zhenrong Guo, Shankar Swaminathan
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Feb 1, 2001
Inventors
Wen-Sen Li
John E. Thornton
Zhenrong Guo
Shankar Swaminathan
Assignee (at issue)
BRISTOL-MYERS SQUIBB COMPANY
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.