US 12,285,507 B2
Deposition system for hair
Richard Jonathan Barfoot, Wirral (GB); Heather Clarkson, Wirral (GB); Michael James Cooke, Wirral (GB); Kelvin Brian Dickinson, Wirral (GB); Colin Christopher David Giles, Wirral (GB); Cesar Ernesto Mendoza Fernandez, Wirral (GB); and Rongrong Zhou, Wirral (GB)
Assigned to Conopco, Inc., Englewood Cliffs, NJ (US)
Appl. No. 17/414,181
Filed by Conopco, Inc., Englewood Cliffs, NJ (US)
PCT Filed Dec. 16, 2019, PCT No. PCT/EP2019/085377
§ 371(c)(1), (2) Date Jun. 15, 2021,
PCT Pub. No. WO2020/127070, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 18213920 (EP), filed on Dec. 19, 2018.
Prior Publication US 2022/0040062 A1, Feb. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/11 (2006.01); A61K 8/34 (2006.01); A61K 8/37 (2006.01); A61K 8/41 (2006.01); A61K 8/898 (2006.01); A61Q 5/12 (2006.01)
CPC A61K 8/11 (2013.01) [A61K 8/342 (2013.01); A61K 8/416 (2013.01); A61K 8/898 (2013.01); A61Q 5/12 (2013.01); A61K 8/375 (2013.01); A61K 2800/412 (2013.01); A61K 2800/56 (2013.01); A61K 2800/591 (2013.01)] 16 Claims
 
1. A hair treatment composition consisting of:
a) a conditioning base comprising:
i) 0.01 to 10 wt % a cationic conditioning surfactant having from 16 to 32 carbon atoms;
ii) 0.01 to 10 wt % a fatty alcohol having from 8 to 22 carbon atoms;
b) from 0.1 to 10 wt % of a microcapsule in which a core comprising benefit agent is encapsulated in a polymeric shell, wherein the benefit agent is a perfume, cosmetic active ingredient, antimicrobial agent, antidandruff agent, moisturizer, conditioning agent, sunscreen agent, physiological coolant, emollient oils, or mixtures thereof;
c) from 0.1 to 5 wt % of a diesterquat, wherein the diesterquat is defined by formula (I):

OG Complex Work Unit Chemistry
wherein radicals R1 and R2 each independently of each other can be identical or different and are a branched or unbranched alkyl radical having 1 to 4 carbon atoms;
R3 and R4 are represented by —X—O—CO—R5, wherein X is a branched or unbranched alkyl group having 1 to 4 carbon atoms; and
R5 is selected from a saturated branched or unbranched, an unsaturated branched or unbranched, or a cyclic saturated or unsaturated alkyl radical, each having 6 to 30 carbon atoms and which may contain a hydroxyl group; and
A- is a physiologically compatible organic or inorganic anion;
d) optionally 0.1 to 10 wt % of a silicone selected from the group consisting of dimethicone, dimethiconol, amodimethicone and mixtures thereof;
e) optionally an ingredient selected from the group consisting of a viscosity modifier, preservative, colouring agent, chelating agent, fragrance, and antioxidant;
f) optionally an adjuvant; and
g) water.