Granted Patent
Utility
US 5,136,006 · App. 07/818,196
Carbodiimide compounds, polymers containing same and coating compositions containing said polymers
Inventors:
Padmanabhan Sundararaman, James A. Claar, Charles M. Kania
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Jan 8, 1992
Inventors
Padmanabhan Sundararaman
James A. Claar
Charles M. Kania
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.