Process for after-treatment of metals using 2,2-bis(4-hydroxyphenyl)alkyl poly derivatives
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United States of America Patent
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Jan 3, 1989
Issued Date -
N/A
app pub date -
Aug 17, 1987
filing date -
Jul 26, 1986
priority date (Note) -
Expired
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Abstract
Processes are disclosed for the after-treatment of conversion coated metals in which the metal is contacted with a solution or dispersion of a substituted poly [2,2-bis(4-hydroxyphenyl]alkyl derivative to enhance the corrosion resistance and paint adhesion characteristics thereof.
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