Phthalocyanine compounds, process for preparing the same, and op

Details Phthalocyanine compounds, process for preparing the same, and op Phthalocyanine compounds, process for preparing the same, and op

1998-06-12

1999-12-07

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540122, 540139, 428 641, C09B 4704, G03G 506

Patent

active

059986093

ABSTRACT:
A phthalocyanine compound of a structural formula of phthalocyanine represented by the general formula (1): ##STR1## wherein 1 to 8 of a total 16 positions are substituted with a phenoxy group, the phenoxy group at either of the ortho positions is substituted with an aryl group which may be substituted, all the atoms in the aryl group and the substituents at the residual ortho positions excluding the hydrogen atoms assume a total atomic radius of not less than 6.0 .ANG., and a central atom group M contains a metal atom of not less than trivalence, a bromine-substituent of the compound, a phthalocyanine composition comprising the phthalocyanine compound and the bromine atom-containing phthalocyanine compound, and an optical recording medium containing it in a recording layer.

REFERENCES:
patent: 5409634 (1995-04-01), Itoh et al.

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