Patent ID: 11897265
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Basic materials chemistry (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A cleaning liquid usable for cleaning of an ink-jet recording apparatus, the cleaning liquid comprising:
a first water-soluble organic solvent, a vapor pressure at 20° C. of the first water-soluble organic solvent being not less than 7 Pa;
a second water-soluble organic solvent, a vapor pressure at 20° C. of the second water-soluble organic solvent being not more than 1 Pa;
a nonionic surfactant; and
water,
wherein the cleaning liquid satisfies the following conditions (1) to (3):

10≤A+B≤60  Condition (1):

A/B≥1  Condition (2):

(A+B)/C≥10,  Condition (3):

in the conditions (1) to (3),
A: a content amount (% by mass) of the first water-soluble organic solvent in an entire amount of the cleaning liquid,
B: a content amount (% by mass) of the second water-soluble organic solvent in the entire amount of the cleaning liquid, and
C: a content amount (% by mass) of the nonionic surfactant in the entire amount of the cleaning liquid.