Granted Patent
Utility
US 6,162,877 · App. 09/209,373
Hydrophobically modified comb copolymers
Inventor:
Arjun C. Sau
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Dec 4, 1998
Inventor
Arjun C. Sau
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.