Granted Patent
Utility
US 6,451,772 · App. 09/438,975
Biopolymer salts with low endotoxin levels, biopolymer compositions thereof and methods of making the same
Inventors:
William S. Bousman, George T. Colegrove, Robert Raczkowski, Monica GARCIA, John L. Holahan
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Nov 12, 1999
Inventors
William S. Bousman
George T. Colegrove
Robert Raczkowski
Monica GARCIA
John L. Holahan
Assignee (at issue)
Monsanto Company
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.