Granted Patent
Utility
US 6,828,014 · App. 09/815,169
Water-dispersible, cationic polymers, a method of making same and items using same
Inventors:
Kelly D. Branham, Yihua Chang, Frederick J. Lang, Erin McBride, Clay Bunyard
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Mar 22, 2001
Inventors
Kelly D. Branham
Yihua Chang
Frederick J. Lang
Erin McBride
Clay Bunyard
Assignee (at issue)
Kimberly-Clark Worldwide, 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.