Particulate water absorbent containing water absorbent resin...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

Reexamination Certificate

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Details

C428S327000, C521S091000, C521S092000, C521S125000

Reexamination Certificate

active

10510733

ABSTRACT:
The particulate water absorbent has a cross-linking structure therein, and contains (i) a particulate water absorbent resin having a cross-linking structure on a surface therof and (ii) not less than 0.001 mass % and less than 10 mass % of anorganic acid multivalent metal salt whose molecule contains not less than seven carbon atoms. Futher, the particulate water absorbent contains 90 mass % of particles, whose particle diameter is not less than 106 μm and 850 μm, with respect to the particulate water absorbent.

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