Granted Patent
Utility
US 5,059,686 · App. 07/589,416
Silated polysaccharides
Inventor:
Arjun C. Sau
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Sep 28, 1990
Inventor
Arjun C. Sau
Assignee (at issue)
Aqualon 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.