Granted Patent
Utility
US 6,177,193 · App. 09/449,881
Biodegradable hydrophilic binder fibers
Inventors:
Fu-Jya Tsai, Brigitte C. Wertheim
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Nov 30, 1999
Inventors
Fu-Jya Tsai
Brigitte C. Wertheim
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.