Granted Patent
Utility
US 4,751,239 · App. 07/067,532
6' Carbonate esters of zearalanol and its derivatives
Inventor:
Edward B. Hodge
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Jun 29, 1987
Inventor
Edward B. Hodge
Assignee (at issue)
International Minerals & Chemical Corp.
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.