Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 5, 2009
Patent Application Number
10547452
Date Filed
March 19, 2004
Patent Primary Examiner
Patent abstract
A color-stable superabsorbent polymer having long-term color stability, and methods of manufacturing the polymer, are disclosed. The color-stable superabsorbent polymer is prepared in the essential absence of a persulfate, and is subjected to a low dose of ultraviolet radiation. The resulting superabsorbent polymer resists color degradation during periods of extended storage, even at an elevated temperature and humidity.
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