Granted Patent
Utility
US 5,719,201 · App. 08/554,896
Superabsorbent hydrophilic isocyanate-based foam and process for production thereof
Inventor:
Robert N. Wilson
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Nov 9, 1995
Inventor
Robert N. Wilson
Assignee (at issue)
Woodbridge Foam Corporation
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.