Coating compositions containing undissolved hexavalent chromium salt
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United States of America Patent
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Dec 26, 1989
Issued Date -
N/A
app pub date -
Sep 18, 1985
filing date -
Nov 28, 1983
priority date (Note) -
Expired
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Abstract
A coating composition for providing a part with improved salt spray resistance, which comprises undissolved solid hexavalent chromate in an aqueous acid solution which is the reaction product of phosphate ions with ions of the group consisting of chromate or molybdate ions, and their coatings and coated parts.
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