US 12,421,409 B2
Ink set for textile printing and method of textile printing on fiber
Rima Akanuma, Tokyo (JP); Makoto Teranishi, Tokyo (JP); and Takashi Yoneda, Tokyo (JP)
Assigned to NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo (JP)
Appl. No. 17/593,093
Filed by NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo (JP)
PCT Filed Mar. 3, 2020, PCT No. PCT/JP2020/008942
§ 371(c)(1), (2) Date Sep. 9, 2021,
PCT Pub. No. WO2020/184302, PCT Pub. Date Sep. 17, 2020.
Claims priority of application No. 2019-043937 (JP), filed on Mar. 11, 2019.
Prior Publication US 2022/0154397 A1, May 19, 2022
Int. Cl. C09D 11/40 (2014.01); C09D 11/02 (2014.01); C09D 11/30 (2014.01); C09D 11/322 (2014.01); D06P 5/30 (2006.01)
CPC C09D 11/40 (2013.01) [C09D 11/02 (2013.01); C09D 11/30 (2013.01); C09D 11/322 (2013.01); D06P 5/30 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An ink set comprising a cyan ink and a violet ink to be applied to a recording medium respectively, wherein the cyan ink and the violet ink each contain a water-insoluble colorant and water, and further comprising at least one yellow ink and at least one magenta ink to be applied to the recording medium respectively, wherein the cyan ink contains at least a compound represented by formula (1) as the water-insoluble colorant, the violet ink contains at least one selected from the group consisting of C.I. Disperse Violet 27 and C.I. Disperse Violet 28 as the water-insoluble colorant, the yellow ink contains at least C.I. Disperse Yellow 54, and the magenta ink contains at least C.I. Disperse Red 60,

OG Complex Work Unit Chemistry
where R1, R2, and R3 each independently represents one of a hydrogen atom and a C1-C4 alkyl group; at least two of R1, R2, and R3 are C1-C4 alkyl groups; a number of carbon atoms in R1, R2, and R3 is 4 to 12 in total; and X represents one of an oxygen atom and an imino group.