Granted Patent
Utility
US 5,997,791 · App. 09/191,857
Superabsorbing fibers and films and processes for preparing same
Inventors:
Yueting Chou, Timothy Paul Feast, Jingen Zhang, David J. Sikora
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Nov 12, 1998
Inventors
Yueting Chou
Timothy Paul Feast
Jingen Zhang
David J. Sikora
Assignee (at issue)
Soliton, Inc.
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.