Granted Patent
Utility
US 5,739,194 · App. 08/668,069
Humidity resistant aqueous urethane/acrylic resins and coating compositions
Inventors:
Anbazhagan Natesh, Shanti Swarup, Mary Ellen Rosenberger, Mary Eifert, Karl F. Schimmel, John W. Burgman
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jun 24, 1996
Inventors
Anbazhagan Natesh
Shanti Swarup
Mary Ellen Rosenberger
Mary Eifert
Karl F. Schimmel
John W. Burgman
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.