Patent ID: 9238744
Filing Date: 2016-01-19
CPC Classification: B41J,C09D,Y10T

Claim Text:
1. A non-aqueous ink composition for ink jet recording comprising: a colorant; lactone having a content in a range of 5% by mass to 40% by mass; a first solvent having a water vapor pressure of 2 hPa or more and a content in a range of 5% by mass to 18% by mass at 20° C. other than a second solvent; and the second solvent having a water vapor pressure of 0.9 hPa or more and a content in a range of 2% by mass to 80% by mass at 20° C., wherein a sum of the content of the first solvent and the content of the second solvent is 20% by mass or more, and the second solvent is at least one solvent selected from a group including (poly)alkylene glycol monoalkyl ether and (poly)alkylene glycol dialkyl ether.