Process for producing aluminum support for lithographic printing plate
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Dec 16, 1998
filing date -
Dec 16, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a process for producing an aluminum support of a lithographic printing plate, the desired aluminum support is produced by imparting fine asperities to an aluminum plate and then roughening it electrochemically in an acidic aqueous solution. The roughened aluminum plate may be electropolished or chemically etched.
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