US 12,305,049 B2
Nonaqueous ink composition, and recording method and recorded matter manufacturing method using same
Keishiro Yoshimori, Yokohama (JP); Yuka Orikasa, Yokohama (JP); Kisei Matsumoto, Yokohama (JP); Koujun Utaka, Yokohama (JP); Mitsuyoshi Tamura, Yokohama (JP); Mitsuteru Yamada, Yokohama (JP); Ryouhei Oka, Yokohama (JP); and Yoshiya Maegawa, Yokohama (JP)
Assigned to DNP FINE CHEMICALS CO., LTD., Yokohama (JP)
Appl. No. 18/246,728
Filed by DNP FINE CHEMICALS CO., LTD., Yokohama (JP)
PCT Filed Sep. 30, 2021, PCT No. PCT/JP2021/036069
§ 371(c)(1), (2) Date Mar. 27, 2023,
PCT Pub. No. WO2022/071477, PCT Pub. Date Apr. 7, 2022.
Claims priority of application No. 2020-166569 (JP), filed on Sep. 30, 2020; and application No. 2020-166585 (JP), filed on Sep. 30, 2020.
Prior Publication US 2023/0365826 A1, Nov. 16, 2023
Int. Cl. C09D 11/36 (2014.01); B41M 5/00 (2006.01)
CPC C09D 11/36 (2013.01) [B41M 5/0047 (2013.01); B41M 5/0064 (2013.01)] 22 Claims
 
1. A nonaqueous ink composition comprising organic solvents,
the organic solvents including an organic solvent (a) and an organic solvent (b),
wherein the organic solvent (a) is a dialkyl glycol ether, and
wherein the organic solvent (b) is at least one selected from the group consisting of an alkylamide solvent (b1), a cyclic amide solvent (b2), and a six- or more-membered ring lactone solvent (b3).