Granted Patent
Utility
US 6,342,298 · App. 09/273,878
Multicomponent superabsorbent fibers
Inventors:
Samantha J. Evans, John A. Henderson, Michael A. Mitchell, Anthony S. Tomlin
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Mar 22, 1999
Inventors
Samantha J. Evans
John A. Henderson
Michael A. Mitchell
Anthony S. Tomlin
Assignee (at issue)
BASF SE
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.