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US 8,557,489 B2Granted
Gallium phthalocyanine compound, gallium phthalocyanine composite pigment, method for preparing gallium phthalocyanine composite pigment, and electrophotographic photoconductor
AssigneeRicoh Company, Ltd.
InventorsHiromi Sakaguchi, Masafumi Ohta, Yoshiki Yanagawa
Life of this patent
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Abstract
To provide a gallium phthalocyanine compound, which is expressed by the following general formula (I): where R1 to R32 are each independently a hydrogen atom, an alkoxy group, an alkylthio group, an alkyl group, a halogen atom, a nitro group, or an aryl group.
Claims6
A gallium phthalocyanine compound, which is expressed by the following general formula (I):
- where R1 to R32 are each independently a hydrogen atom, an alkoxy group, an alkylthio group, an alkyl group, a halogen atom, a nitro group, or an aryl group.
Dependencies are inferred from the claim text.