Hydroxygallium phthalocyanine photoconductive imaging members
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United States of America Patent
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Apr 18, 1995
Grant Date -
N/A
app pub date -
Dec 20, 1993
filing date -
Dec 20, 1993
priority date (Note) -
Expired
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Abstract
A process for the preparation of hydroxygallium phthalocyanine and elements containing same which comprises the synthesis of a precursor halogallium phthalocyanine by the reaction of a diiminoisoindolene with gallium acetylacetonate; hydrolysis thereof to hydroxygallium phthalocyanine; and conversion of the resulting hydroxygallium phthalocyanine obtained to Type V hydroxygallium phthalocyanine by contacting said resulting hydroxygallium phthalocyanine with an organic solvent.
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