	US 12,403,443 B2
	Hybrid microcapsules
Yongtao Wu, Shanghai (CN); and Jia-Jun Shen, Shanghai (CN)
Assigned to FIRMENICH SA, Satigny (CH)
Appl. No. 17/757,274
Filed by FIRMENICH SA, Satigny (CH)
PCT Filed Dec. 10, 2020, PCT No. PCT/EP2020/085575 § 371(c)(1), (2) Date Jun. 13, 2022, PCT Pub. No. WO2021/116306, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. PCT/CN2019/124983 (WO), filed on Dec. 13, 2019; and application No. 20156639.5 (EP), filed on Feb. 11, 2020.
Prior Publication US 2023/0001373 A1, Jan. 5, 2023
Int. Cl. B01J 13/16 (2006.01); A61K 8/11 (2006.01); A61K 8/73 (2006.01); A61Q 13/00 (2006.01); C11D 3/50 (2006.01)

CPC B01J 13/16 (2013.01) [A61K 8/11 (2013.01); A61K 8/736 (2013.01); A61Q 13/00 (2013.01); C11D 3/505 (2013.01); A61K 2800/56 (2013.01)]

19 Claims

1. A core-shell microcapsule comprising:

a) an oil-based core comprising a hydrophobic material; and

b) a polymeric shell comprising chitosan particles;

wherein the chitosan particles are cross-linked chitosan particles.