Granted Patent
Utility
US 5,349,011 · App. 08/099,400
Polyamide ester rheological additive, a solution containing the additive and thickened compositions containing the additive
Inventors:
William W. Reichert, Murray C. Cooperman
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Jul 30, 1993
Inventors
William W. Reichert
Murray C. Cooperman
Assignee (at issue)
Rheox 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.