Granted Patent
Utility
US 6,808,597 · App. 10/191,952
Methods of making and using creping adhesives comprised of polyamine-epihalohydrin resin/poly(vinyl alcohol) mixtures
Inventor:
Anthony J. Allen
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jul 9, 2002
Inventor
Anthony J. Allen
Assignee (at issue)
HERCULES 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.