Patent ID: 8076392

Claim:
An ink composition comprising: a polymerizable composition, a pigment, and a polymer represented by the following General Formula (2), wherein in the General Formula (2), R 3 represents an (m+n)-valent organic linking group, R 4 and R 5 each independently represents a single bond or a divalent organic linking group; A 2 represents a monovalent organic group having a pigment adsorption structure comprising at least one selected from an organic pigment structure, a heterocyclic structure, an acidic group, a group having a basic nitrogen atom, a urea group, a urethane group, a group having a coordinating oxygen atom, a hydrocarbon group having 4 or more carbon atoms, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group; the n groups of A 2 and bonds or groups of R 4 may independently be the same or different; “m” is an integer of 1 to 8, “n” is an integer of 2 to 9, and m+n is 3 to 10; P 2 represents a polymer skeleton; the m skeletons of P 2 and the m bonds or groups of R 5 may independently be the same or different, wherein R 3 is selected from the following (1) to (17),