Granted Patent
Utility
US 5,744,542 · App. 08/744,566
Emulsifiers and their use in water dispersible polyisocyanate compositions
Inventors:
Jonathan T. Martz, Joseph M. Carney, Robert E. Jennings, Karen D. Donnelly
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Nov 6, 1996
Inventors
Jonathan T. Martz
Joseph M. Carney
Robert E. Jennings
Karen D. Donnelly
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.