Granted Patent
Utility
US 5,455,340 · App. 08/190,824
Starches modified with amino-multicarboxylates
Inventors:
Karen A. Bernard, John J. Tsai, Robert L. Billmers, Robert W. Sweger
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Feb 2, 1994
Inventors
Karen A. Bernard
John J. Tsai
Robert L. Billmers
Robert W. Sweger
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.