Granted Patent
Utility
US 6,689,934 · App. 10/291,239
Absorbent materials having improved fluid intake and lock-up properties
Inventors:
Richard Norris Dodge, II, Nancy Lange, Jayant Chakravarty, Jian Qin, Sridhar Ranganathan, Fu-Jya Tsai, Cathleen Mae Uttecht, Xiaomin Zhang
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Nov 8, 2002
Inventors
Richard Norris Dodge, II
Nancy Lange
Jayant Chakravarty
Jian Qin
Sridhar Ranganathan
Fu-Jya Tsai
Cathleen Mae Uttecht
Xiaomin Zhang
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.