Methods and compositions for acid treatment of a metal surface

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United States of America Patent

PATENT NO 9732428
APP PUB NO 20150329973A1
SERIAL NO

14664884

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Abstract

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The invention relates to compositions and methods that are useful in etching a metal surface. In particular, the invention relates to novel acid compositions and methods of using such compositions in etching a metal surface, preferably an aluminum surface prior to anodizing to dissolve impurities, imperfections, scale, and oxide. The compositions are effective in maintaining their etching capacity and in removing smut produced by the etching of a surface as well as in general cleaning.

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Patent Owner(s)

  • HOUGHTON TECHNICAL CORP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Basaly, Mores Roswell, US 9 42

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