Granted Patent
Utility
US 5,755,869 · App. 08/856,875
Metal pigments stabilized against gassing with fatty acid or a maleinized alpha-olefin modified gassing inhibitor
Inventors:
Kurt G. Olson, James E. Poole, Paul H. Lamers
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: May 15, 1997
Inventors
Kurt G. Olson
James E. Poole
Paul H. Lamers
Assignee (at issue)
PPG Industries, 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.