Granted Patent
Utility
US 6,359,049 · App. 09/523,345
Color-stable superabsorbent polymer composition
Inventors:
Peter W. Carrico, David Eckert
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Mar 10, 2000
Inventors
Peter W. Carrico
David Eckert
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.