Granted Patent
Utility
US 5,380,838 · App. 08/133,494
Stable solvates of avermectin compounds
Inventors:
Joseph S. Amato, Raymond Cvetovich
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Oct 8, 1993
Inventors
Joseph S. Amato
Raymond Cvetovich
Assignee (at issue)
MERCK & CO., 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.