Automatic development method of photosensitive lithographic printing plate and automatic development device thereof
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United States of America Patent
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Oct 14, 2008
Grant Date -
Nov 22, 2007
app pub date -
Jul 20, 2007
filing date -
Feb 23, 2004
priority date (Note) -
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Abstract
A developer replenishing method of an automatic development device of photosensitive lithographic printing plate including developing a plurality of exposed photosensitive lithographic printing plates with a developer containing an electrolyte and keeping the developer activity constant by replenishing with a replenisher. The method includes obtaining certain defined values, conducting defined calculations, comparing defined values and, dependent on the comparison, setting new values An automatic development device which carries out the method is also set forth.
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