Water absorbent resin
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United States of America Patent
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-
Jul 11, 2000
Issued Date -
N/A
app pub date -
Oct 29, 1997
filing date -
Jun 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing water-absorbent resins having an average particle diameter of 100 to 600 .mu.m and a particle diameter distribution of 0.35 or less by polymerizing an aqueous solution of a water-soluble ethylenically unsaturated monomer, pulverizing and sieving the polymer so obtained, and crosslinking the surface of the polymer powder.
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Cited Art Landscape
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