Patent ID: 9340690
Filing Date: 2016-05-17
CPC Classification: C09D

Claim Text:
1. An ink set, comprising: a treatment agent containing 2,2,4-trimethyl-1,3-pentanediol-1-monoisobutyrate or a derivative thereof; and a bright pigment ink containing a bright pigment and water, wherein the treatment agent or the bright pigment ink contains urethane resin comprising urethane particles contained in a urethane emulsion; and the ink set satisfies the following conditions (A) and (B): wherein X: the sum of a blending amount (% by weight) of the urethane resin in the treatment agent, if any, and a blending amount (% by weight) of the urethane resin in the bright pigment ink, if any, and Y: a blending amount (% by weight) of the 2,2,4-trimethyl-1,3-pentanediol-1-monoisobutyrate and the derivative thereof in the treatment agent.