Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norbert Herfert0
Michael M. Azad0
Michael Mitchell0
Jim Robinson0
Date of Patent
July 8, 2008
0Patent Application Number
104951490
Date Filed
November 15, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention concerns superabsorbent particles with a shell, wherein said shell comprises a cationic polymer crosslinked by the addition of crosslinker and adhered to hydrogel-forming polymer obtainable by applying a coating solution, containing both a cationic polymer and crosslinker, to hydrogel-forming polymer having a residual water content of less than 10 w %, their production and use.
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