Granted Patent
Utility
US 4,743,393 · App. 06/871,292
Antifreeze concentrates and coolants containing heteropolymolybdate compounds
Inventor:
Stanley T. Hirozawa
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Jun 6, 1986
Inventor
Stanley T. Hirozawa
Assignee (at issue)
BASF SE
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.