US 11,833,234 B2
Emulsions with a high internal oil phase
Takehiko Kasai, Kawasaki (JP); Toshifumi Shiroya, Kawasaki (JP); Shoji Maruyama, Kawasaki (JP); and Hidehiko Asanuma, Kawasaki (JP)
Assigned to L'Oreal, Paris (FR)
Appl. No. 17/266,533
Filed by L'OREAL, Paris (FR)
PCT Filed Aug. 16, 2019, PCT No. PCT/JP2019/032929
§ 371(c)(1), (2) Date Feb. 5, 2021,
PCT Pub. No. WO2020/045251, PCT Pub. Date Mar. 5, 2020.
Claims priority of application No. 2018-161330 (JP), filed on Aug. 30, 2018.
Prior Publication US 2021/0299007 A1, Sep. 30, 2021
Int. Cl. A61K 8/06 (2006.01); A61K 8/73 (2006.01); A61K 8/362 (2006.01); A61K 8/365 (2006.01); A61K 8/55 (2006.01); A61Q 19/00 (2006.01); A61K 8/46 (2006.01); A61K 8/92 (2006.01)
CPC A61K 8/062 (2013.01) [A61K 8/066 (2013.01); A61K 8/463 (2013.01); A61K 8/731 (2013.01); A61K 8/92 (2013.01); A61Q 19/00 (2013.01); A61K 2800/5426 (2013.01); A61K 2800/95 (2013.01)] 15 Claims
 
1. A composition in the form of an 01W emulsion, comprising:
(a) at least one cationic polysaccharide;
(b) at least one crosslinker having three or more acid groups or salt thereof;
(c) at least one oil; and
(d) water,
wherein the (a) cationic polysaccharide is a selected from cationic hydroxyethylcellulose polymers;
the (b) crosslinker having three or more acid groups of salt thereof ionically crosslinks the (a) cationic polysaccharide, and
the amount of the (c) oil(s) in the composition is 50% by weight or more relative to the total weight of the composition.