Granted Patent
Utility
US 5,288,419 · App. 07/734,717
Glycol-based polycarboxylate-containing antifreeze/coolant formulations for resisting cavitation erosion-corrosion on aluminum
Inventors:
David E. Turcotte, James T. Lyon, John J. Conville, Shrikant V. DeSai, Stanley T. Hirozawa
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Jul 23, 1991
Inventors
David E. Turcotte
James T. Lyon
John J. Conville
Shrikant V. DeSai
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.