Granted Patent
Utility
US 6,194,517 · App. 09/412,220
Ion sensitive polymeric materials
Inventors:
William S. Pomplun, Pavneet S. Mumick, David M. Jackson, Yihua Chang
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Oct 5, 1999
Inventors
William S. Pomplun
Pavneet S. Mumick
David M. Jackson
Yihua Chang
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.