Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2004-07-22
2010-11-30
Gulakowski, Randy (Department: 1796)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S404000, C525S127000, C525S165000
Reexamination Certificate
active
07842386
ABSTRACT:
A process for producing and a powdery water-absorbing polymers comprising:about 0.01 to 20 wt. % of a fine particle with a particle size of less than about 200 μm;about 0.001 to 10 wt. % of a thermoplastic adhesive; andabout 60 to 99.998 wt. % of a water-absorbing polymer particle with a particle size of about 200 μm and above, wherein the powdery water-absorbing polymers have:a flow value (FFC) within the range from about 1 to 13, and/ora dust portion of at most about 6 are disclosed.Also disclosed are a transport process, a composite, chemical products, and a use of a thermoplastic adhesive.
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Written Opinion of the Internat
Bremus Heinz
Loeker Frank
Smith Scott
Dollinger Mike
Evonik Stockhausen GmbH
Gulakowski Randy
Smith Moore Leatherwood LLP
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