Granted Patent
Utility
US 5,986,004 · App. 08/819,246
Ion sensitive polymeric materials
Inventors:
William S. Pomplun, Pavneet S. Mumick, David M. Jackson, Yihua Chang
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 17, 1997
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.