Leather-treatment agents, process for their preparation, and their use for producing low-fogging leathers
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United States of America Patent
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Apr 11, 2000
Grant Date -
N/A
app pub date -
Mar 9, 1999
filing date -
Sep 9, 1996
priority date (Note) -
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Abstract
New leather dressing agents, which may be obtained by polymerization of a1) 70-100 wt. % acrylic acid and/or methacrylic acid and/or acid chlorides and/or anhydrides thereof with a2) 0-30 wt. % of other water-soluble monomers copolymerizable with a1), and a3) 0-20 wt. % of water-insoluble monomers copolymerizable with a1) and a2), reaction of the polymer with fatty amines, and neutralization and dispersion of the thus modified polymer, with amines not bound to the polymer optionally being reacted with (meth)acrylic acid to give N-substituted .beta.-aminopropionic acids, production of said leather dressing agents and their use in the manufacture of low-fogging leathers.
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