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:
Aug. 25, 2026
Filed:
Mar. 01, 2023
Sakata Inx Corporation, Osaka, JP;
Satoshi Hirakawa, Osaka, JP;
Masahiro Ueki, Osaka, JP;
Yuya Watanabe, Osaka, JP;
Hiroyuki Konishi, Osaka, JP;
Hirohito Maeda, Osaka, JP;
SAKATA INX CORPORATION, Osaka, JP;
Abstract
An aqueous inkjet ink composition containing a pigment, an anionic group-containing resin, a resin emulsion, a surfactant, a water-soluble solvent, and water, in which a water-soluble solvent having a boiling point of at most 200° C. under 1 atm accounts for at least 90 mass % of the water-soluble solvent; the surfactant contains a polyoxyethylene alkyl ether and a silicone-based surfactant satisfying a specific condition; and the polyoxyethylene alkyl ether has an HLB value of 7-12. The aqueous inkjet ink composition has excellent discharge stability, favorable filling in a solid part and no unevenness even when printed and recorded on a non-absorptive print medium, and excellent drying properties on a paper surface.