Granted Patent
Utility
US 6,323,299 · App. 09/451,793
Method for producing mixed polyol thermoplastic polyurethane compositions
Inventors:
Dale L. Handlin, Jr., Sudha Mohindra, Michael A. Masse, David J. St. Clair
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Dec 1, 1999
Inventors
Dale L. Handlin, Jr.
Sudha Mohindra
Michael A. Masse
David J. St. Clair
Assignee (at issue)
KRATON POLYMERS LLC
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.