Carboxylate-containing polymers for metal surface treatment
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jul 15, 2010
app pub date -
Mar 23, 2010
filing date -
Feb 24, 2003
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Abstract
The present invention relates to a composition for treating surfaces, comprising a copolymer as component A, synthesized from (meth)acrylic acid or salts thereof, a carboxylate-containing monomer and/or monomers containing groups containing phosphoric and/or phosphoric acid or salts thereof, and further comonomers if desired, to a passivating layer on a metal surface, which comprises component A, to a process for forming said passivating layer, and to the use of the composition of the invention to passivate a metal surface.
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