Granted Patent
Utility
US 5,631,339 · App. 08/607,841
Isocyanate cured coating having reduced yellowing
Inventors:
Dennis L. Faler, James R. Franks, Daniel E. Rardon
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Feb 27, 1996
Inventors
Dennis L. Faler
James R. Franks
Daniel E. Rardon
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.