Ricoh Company, Ltd.

Yamada Chemical Co., Ltd.

Hiroaki Tomita

Toru Yashiro

Masatoshi Taniguchi

Toshiro Narizuka

A phthalocyanine compound of formula (I): ##STR1## wherein FIGS. 1 to 16 around the phthalocyanine skeleton indicate the positions of carbon atoms in each benzene ring thereof; an oxygen atom is bonded to the carbon atom with position 1 or 4, to the carbon atom with position 5 or 8, to the carbon atom with position 9 or 12, and to the carbon atom with position 13 or 16; R.sup.1 is a fluorine-atom substituted alkyl group; R.sup.2 is an unsubstituted phenyl group or an alkyl-group-substituted phenyl group; R.sup.3 is an unsubstituted alkyl group, a fluorine-atom substituted alkyl group or a hydrogen atom; and M represents Zn, Cu or Ni.

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Kyoto-fu, Japan

Hiroaki Tomita