The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2024
Filed:
Nov. 30, 2021
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A cleaning liquid, usable for cleaning of an ink-jet recording apparatus, includes: a nonionic surfactant, solubility of the nonionic surfactant in water at 20° C. being less than 0.2% by mass; a first water-soluble organic solvent of which solubility parameter is not less than 13; a second water-soluble organic solvent of which solubility parameter is less than 12; and water. The cleaning liquid satisfies the following conditions (1) to (4):≥0.1; Condition (1):≥0; Condition (2):≥15; Condition (3):10≤≤60. Condition (4):X: a content amount (% by mass) of the nonionic surfactant, A: a content amount (% by mass) of the first water-soluble organic solvent, and B: a content amount (% by mass) of the second water-soluble organic solvent.