Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2007-10-16
2007-10-16
Le, H. Thi (Department: 1773)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
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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Russian Patent Office's “Decision to Grant” mailed Sep. 28, 2006 for the Russian Patent Application No. 2004137267.
Adachi Yoshifumi
Fujimaru Hirotama
Kitano Takahiro
Nogi Kozo
Le H. Thi
Nippon Shokubai Co. , Ltd.
Nixon & Vanderhye PC
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