Granted Patent
Utility
US 5,281,618 · App. 07/948,195
Storage stable high azadirachtin solution
Inventor:
James F. Walter
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Sep 21, 1992
Inventor
James F. Walter
Assignee (at issue)
W.R. Grace & Co. Conn.
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.