Granted Patent
Utility
US 4,831,015 · App. 07/084,761
High potency biomass-free avoparcin and a method for its preparation
Inventor:
Jack P. Waite
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Aug 13, 1987
Inventor
Jack P. Waite
Assignee (at issue)
American Cyanamid 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.