Granted Patent
Utility
US 6,232,356 · App. 08/879,472
Reactive catalyst compositions for improving water blown polyurethane foam performance
Inventors:
Lisa Ann Mercando, Mark Leo Listemann, Michael John Kimock
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jun 20, 1997
Inventors
Lisa Ann Mercando
Mark Leo Listemann
Michael John Kimock
Assignee (at issue)
Air Products and Chemicals, 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.