Granted Patent
Utility
US 6,403,700 · App. 09/532,085
Absorbing agents for water and aqueous liquids and process for their production and use
Inventors:
Kurt Dahmen, Reinmar Peppmoller
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Mar 21, 2000
Inventors
Kurt Dahmen
Reinmar Peppmoller
Assignee (at issue)
Stockhausen GmbH & Co. KG
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.