2,2-bis (4 hydroxyphenyl) alkyl poly derivatives for use in after-treatment of conversion coated metals
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United States of America Patent
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Dec 22, 1987
Grant Date -
N/A
app pub date -
Jul 28, 1986
filing date -
Jul 26, 1986
priority date (Note) -
Expired
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Abstract
A solution comprising an effective amount of a water soluble or water dispersible compound selected from the group consisting of polymeric compounds generally described as substituted poly [[2,2-bis (4 hydroxyphenyl)]] alkyl materials as well as acid salts thereof and mixtures thereof, which solution is useful for treating metal surfaces to impart corrosion resistance and paint adhesion characteristics and processes for manufacturing and using the same.
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