Granted Patent
Utility
US 6,132,622 · App. 09/096,773
Absorbents
Inventors:
Freddy Helmer-Metzmann, Alexandra Jacobs
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 12, 1998
Inventors
Freddy Helmer-Metzmann
Alexandra Jacobs
Assignees (at issue)
Ticona LLC
Mitsu Petrochemical Ind., Ltd.
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.