Polymer composition and a method for producing the same
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United States of America Patent
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Jun 28, 2005
Grant Date -
N/A
app pub date -
Aug 2, 2000
filing date -
Aug 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to powdered, crosslinked polymer compositions, containing a) 55-99.9 wt.-% of at least one polymerized, ethylenically unsaturated, polymerizable monomer which contains acid groups neutralized to at least 25 mole-%, b) 0-40 wt.-% of polymerized, unsaturated monomers copolymerizable with a), c) 0.01-5.0 wt.-%, preferably 0.1-2.0 wt.-% of one or more crosslinking agents, d) 0-30 wt.-% of a water-soluble polymer,
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