Granted Patent
Utility
US 6,277,953 · App. 09/161,145
Stable aqueous polymer dispersions and a process for their preparation
Inventors:
Joseph L. Nothnagel, Michael Davis Coad, Kevin Jude O'Callaghan, Carlos Alfredo Kienzie Sterzer
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Sep 25, 1998
Inventors
Joseph L. Nothnagel
Michael Davis Coad
Kevin Jude O'Callaghan
Carlos Alfredo Kienzie Sterzer
Assignee (at issue)
McWhorter Technologies 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.