Granted Patent
Utility
US 5,550,189 · App. 08/145,453
Modified polysaccharides having improved absorbent properties and process for the preparation thereof
Inventors:
Jian Qin, James R. Gross, William J. Mui, Xin Ning, Wen Zyo Schroeder, Tong Sun
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Oct 29, 1993
Inventors
Jian Qin
James R. Gross
William J. Mui
Xin Ning
Wen Zyo Schroeder
Tong Sun
Assignee (at issue)
Kimberly-Clark 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.