Granted Patent
Utility
US 6,291,594 · App. 09/047,051
Textile sizes containing anhydride based graft copolymers
Inventor:
Klein A. Rodrigues
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Mar 24, 1998
Inventor
Klein A. Rodrigues
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.