Aqueous dispersions of water-soluble polymers with comblike stabilizers
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United States of America Patent
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Sep 14, 2010
Grant Date -
Nov 20, 2008
app pub date -
Oct 25, 2006
filing date -
Nov 3, 2005
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Expired
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Abstract
The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking.
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