Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1997-10-29
2000-07-11
Teskin, Fred
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
526240, 526306, 5263076, 5263171, 5263182, 5263185, 526930, B32B 514, B32B 2726
Patent
active
060870028
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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"Rompp Chemie Lexikon", Georg Thieme Verlag Stuttgart, New York (1992), pp. 3952-3954 Only considered to examiner's ability to read & understand German, which is non-existent.
Kadonaga Kenji
Kimura Kazumasa
Miyake Koji
Nagasuna Kinya
Namba Takashi
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
Teskin Fred
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