	US 12,152,166 B2
	Wet coating agent for fine particles
Hideki Ichikawa, Takasago (JP); Tooru Andoh, Kobe (JP); Yuki Uchida, Kobe (JP); and Takato Nakagawa, Nishinomiya (JP)
Assigned to Nippon Soda Co., Ltd., Tokyo (JP); and KOBE GAKUIN EDUCATIONAL FOUNDATION, Kobe (JP)
Appl. No. 17/614,976
Filed by Nippon Soda Co., Ltd., Tokyo (JP); and KOBE GAKUIN EDUCATIONAL FOUNDATION, Kobe (JP)
PCT Filed Jun. 2, 2020, PCT No. PCT/JP2020/021762 § 371(c)(1), (2) Date Nov. 29, 2021, PCT Pub. No. WO2020/246463, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 2019-106702 (JP), filed on Jun. 7, 2019.
Prior Publication US 2022/0243077 A1, Aug. 4, 2022
Int. Cl. C09D 7/65 (2018.01); C09D 5/02 (2006.01); C09D 7/40 (2018.01)

CPC C09D 7/65 (2018.01) [C09D 5/02 (2013.01); C09D 7/67 (2018.01)]

2 Claims

1. A wet coating agent for fine particles, the agent comprising a latex comprising a particle comprising a (meth) acrylate copolymer and having a 50% diameter of 28.6 nm to 34.6 nm in a volume based particle size distribution, wherein the (meth) acrylate copolymer consists of a monomer unit derived from ethyl acrylate, a monomer unit derived from methyl methacrylate, and a monomer unit derived from 2-hydroxyethyl methacrylate.