Foamable polymer preparations and compositions comprising a foamed polymer and having high and rapid water absorption
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Aug 27, 2009
app pub date -
Feb 25, 2009
filing date -
Feb 27, 2008
priority date (Note) -
Abandoned
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Abstract
Foamable polymer preparation comprising (a) 19.9 to 89.9% by weight of a polymer, (b) 10 to 80% by weight of a desiccant, (c) 0.1 to 5.0% by weight of a foaming agent comprising a hydrogen carbonate metal salt and a component selected from the group consisting of a polycarboxylic acid containing 2 to 10 carbon atoms and at least 2 carboxyl groups, a metal salt thereof and an ester of said polycarboxylic acid in which at least one of the carboxyl groups have been esterified with an alcohol containing 1 to 6 carbon atoms; wherein the weight percentages relate to the weight of the foamable polymer preparation.
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