Granted Patent
Utility
US 6,716,929 · App. 10/189,136
Superabsorbent polymers having a slow rate of absorption
Inventor:
Larry R. Wilson
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jul 3, 2002
Inventor
Larry R. Wilson
Assignee (at issue)
THE DOW CHEMICAL 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.