Patent ID: 6303269
Filing Date: 2001-10-16
Classification: G03C,Y10S

Abstract:
A dye precursor represented by the following formula (I): ##STR28##wherein A.sup.1 and A.sup.2 each represent an atomic group to form a coupler residue together with --N(R.sup.5) (R.sup.6) and the carbon atom to which A.sup.1 and A.sup.2 are bonded; R.sup.1 represents a substituent; n represents an integer of from 0 to 4; R.sup.2 represents a hydroxyl group or a group represented by --N(R.sup.7)R.sup.8 ; R.sup.7 and R.sup.8 each independently represents a hydrogen atom or a substituent; R.sup.3 and R.sup.4 each independently represents a hydrogen atom or a substituted or unsubstituted alkyl group; and R.sup.5 and R.sup.6 each independently represents a substituent.