Granted Patent
Utility
US 5,152,995 · App. 07/420,969
Stable antibiotic ester feed compositions
Inventors:
Richard A. Runkel, Stephen A. Berry, Mahmood M. Ghani
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Oct 12, 1989
Inventors
Richard A. Runkel
Stephen A. Berry
Mahmood M. Ghani
Assignee (at issue)
Syntex (U.S.A.) LLC
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.