Granted Patent
Utility
US 6,548,592 · App. 09/564,424
Ion-sensitive, water-dispersible polymers, a method of making same and items using same
Inventors:
Frederick J. Lang, Yihua Chang, Franklin M. Chen, Pavneet S. Mumick, William S. Pomplun, Dave Allen Soerens
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: May 4, 2000
Inventors
Frederick J. Lang
Yihua Chang
Franklin M. Chen
Pavneet S. Mumick
William S. Pomplun
Dave Allen Soerens
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.