Granted Patent
Utility
US 6,184,287 · App. 09/237,512
Polymeric latexes prepared in the presence of 2-acrylamido-2-methylpropanesulfonate
Inventor:
Ira John Westerman
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jan 26, 1999
Inventor
Ira John Westerman
Assignee (at issue)
Omnova Solutions, 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.