| http://www.w3.org/ns/prov#value | - Another process according to the present invention for producing a water-absorbent resin comprises the step of polymerizing at least one monomer component including acrylic acid and/or its salt as major components to produce a water-absorbent resin that is a neutralized salt, and this process is characterized in that the acrylic acid used as a raw material is a product being obtained by catalytic
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