An absorbent resin such that disposable diapers and other products incorporating the absorbent...http://www.google.com/patents/US6194531?utm_source=gb-gplus-sharePatent US6194531 - Method for production of cross-linked polymerAdvanced Patent SearchPublication numberUS6194531 B1Publication typeGrantApplication numberUS 08/867,780Publication dateFeb 27, 2001Filing dateJun 3, 1997Priority dateJun 5,