ANTI-CORROSIVE AGENT FOR WASHING OF METAL WITH ACID, DETERGENT SOLUTION COMPOSITION, AND METHOD FOR WASHING OF METAL
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Jun 20, 2011
filing date -
Jul 15, 2010
priority date (Note) -
Abandoned
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Abstract
An anti-corrosive agent for washing of a metal with an acid, which comprises an amphoteric polymeric compound (P) having at least one cationic constituent unit (A) having a specific structure, at least one anionic constituent unit (B) having a specific structure and a specific sulfur-containing constituent unit (C).
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