	US 12,215,204 B2
	Silicone resin-covered silicone elastomer particles, organic resin additive, and other uses
Mari Wakita, Ichihara (JP); Hiroko Taniguchi, Ichihara (JP); and Takeshi Yoshizawa, Ichihara (JP)
Assigned to DOW TORAY CO., LTD., Tokyo (JP)
Appl. No. 16/955,221
Filed by DOW TORAY CO., LTD., Tokyo (JP)
PCT Filed Dec. 19, 2018, PCT No. PCT/JP2018/046703 § 371(c)(1), (2) Date Jun. 22, 2020, PCT Pub. No. WO2019/124418, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 2017-243392 (JP), filed on Dec. 20, 2017.
Prior Publication US 2020/0332124 A1, Oct. 22, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C08J 3/12 (2006.01); A61K 8/891 (2006.01); A61Q 1/12 (2006.01); C08G 77/08 (2006.01); C08G 77/12 (2006.01); C08G 77/38 (2006.01); C08J 7/04 (2020.01); C08L 83/06 (2006.01); C09D 183/06 (2006.01); C09D 183/14 (2006.01)

CPC C08J 3/126 (2013.01) [A61K 8/891 (2013.01); A61Q 1/12 (2013.01); C08G 77/08 (2013.01); C08G 77/12 (2013.01); C08G 77/38 (2013.01); C08J 7/0427 (2020.01); C08L 83/06 (2013.01); C09D 183/06 (2013.01); C09D 183/14 (2013.01); C08J 2383/05 (2013.01); C08J 2383/14 (2013.01); C08L 2312/08 (2013.01)]

19 Claims

1. A silicone resin-coated silicone elastomer particle having a structure wherein at least two silicon atoms in a silicone elastomer particle are cross-linked through a silalkylene group with a carbon number between 4 and 20 and where at least some or all of the surface thereof is coated with a silicone resin comprising siloxane units expressed by SiO_4/2and wherein the inclusion proportion of silicon atom-bound hydrogen is no greater than 300 ppm, per unit mass.