	US 12,173,162 B2
	Pigment and method for producing the same
Takahiko Ootsubo, Sakura (JP); Hitoshi Sekine, Sakura (JP); Kouji Nemoto, Tsukuba (JP); Atsushi Yamamoto, Tsukuba (JP); Ken-ichi Tominaga, Tsukuba (JP); Masumi Asakawa, Tsukuba (JP); and Kazuhiko Sato, Tsukuba (JP)
Assigned to DIC CORPORATION, Tokyo (JP); and NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo (JP)
Appl. No. 17/276,895
Filed by DIC Corporation, Tokyo (JP); and National Institute of Advanced Industrial Science and Technology, Tokyo (JP)
PCT Filed Sep. 25, 2019, PCT No. PCT/JP2019/037551 § 371(c)(1), (2) Date Mar. 17, 2021, PCT Pub. No. WO2020/067140, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 2018-182030 (JP), filed on Sep. 27, 2018; and application No. 2018-241015 (JP), filed on Dec. 25, 2018.
Prior Publication US 2021/0380811 A1, Dec. 9, 2021
Int. Cl. C09B 63/00 (2006.01); C08K 5/00 (2006.01); C09D 11/037 (2014.01)

CPC C09B 63/00 (2013.01) [C08K 5/0041 (2013.01); C09D 11/037 (2013.01)]

12 Claims

1. A modified pigment obtained by laking a dye containing at least one of an acidic group and a basic group with at least one of an amino acid and protein.