Granted Patent
Utility
US 6,762,269 · App. 09/133,691
High temperature viscosity stable thickener
Inventors:
Joseph S. Maxim, Jr., James C. Long, Daniel W. Verstrat
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Aug 13, 1998
Inventors
Joseph S. Maxim, Jr.
James C. Long
Daniel W. Verstrat
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.