Granted Patent
Utility
US 5,892,063 · App. 08/861,286
Cephalomannine epoxide, its analogues and a method for preparing the same
Inventors:
Qun Zheng, Christopher K. Murray, Randall J. Daughenbaugh
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 21, 1997
Inventors
Qun Zheng
Christopher K. Murray
Randall J. Daughenbaugh
Assignee (at issue)
Hauser, 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.