发明授权
US5382493A Hydroxygermanium phthalocyanine processes 失效
羟基anium镓酞菁工艺

Hydroxygermanium phthalocyanine processes
摘要:
A process for the preparation of Type II dihydroxygermanium phthalocyanine which comprises treating dihalogermanium phthalocyanine or dialkoxygermanium phthalocyanine with a strong acid, followed by treatment with water, and subsequent optional washing with an organic base and an aprotic organic solvent.
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