Zinc phosphate coated metal and process of producing same
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United States of America Patent
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Jul 16, 1985
Issued Date -
N/A
app pub date -
Dec 28, 1983
filing date -
Jan 3, 1983
priority date (Note) -
Expired
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Abstract
A method for forming conversion coatings on metallic surfaces using an aqueous zinc phosphate immersion bath within which there is positioned a source of ultrasonic energy and the coated metallic object produced in carrying out the process in a controlled ultrasonic power environment.
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