Patent ID: 7125988

Claim:
A yellow dye-forming coupler represented by formula (I): wherein Q represents a group of nonmetallic atoms that form a 5- to 7-membered ring in combination with the —N═C—N(R 1 )—; R 1 is —(CH 2 ) 3 O—R 101 in which R 101 is an alkyl group having 4 to 8 carbon atoms and R 2 represents a substituent; R 4 represents an alkyl group; m represents an integer of 0 to 4; when m is 2 or more, the multiple R 2 's may be the same or different, and the R 2 's may bond with each other to form a ring; and X represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent.