Method for preparing and using an anodized aluminum photo-lithographic printing plate
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United States of America Patent
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Feb 4, 1986
Grant Date -
N/A
app pub date -
Aug 24, 1984
filing date -
Aug 24, 1984
priority date (Note) -
Expired
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Abstract
A method of preparing an anodized aluminum printing plate comprising treating the aluminum support with aqueous solution of a condensed aryl sulfonic acid having a neutral pH, anodizing the support before or after the treating step, and coat, radiation expose through a mask, as well as develop a radiation-sensitive composition to produce the lithographic printing plate.
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