US 12,414,905 B2
Hair conditioning composition for improved deposition
Richard Jonathan Barfoot, Chesterfield (GB); Michael James Cooke, Wirral (GB); Kelvin Brian Dickinson, Wirral (GB); Hailey Kelso, Chester (GB); Cesar Ernesto Mendoza Fernandez, Liverpool (GB); Paul Damien Price, Wirral (GB); and Neil Scott Shaw, Rochdale (GB)
Assigned to CONOPCO, INC., Englewood Cliffs, NJ (US)
Appl. No. 17/414,470
Filed by Conopco, Inc., Englewood Cliffs, NJ (US)
PCT Filed Dec. 10, 2019, PCT No. PCT/EP2019/084382
§ 371(c)(1), (2) Date Jun. 16, 2021,
PCT Pub. No. WO2020/126660, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 18214094 (EP), filed on Dec. 19, 2018.
Prior Publication US 2022/0071876 A1, Mar. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/41 (2006.01); A61K 8/34 (2006.01); A61K 8/37 (2006.01); A61K 8/42 (2006.01); A61K 8/46 (2006.01); A61K 8/891 (2006.01); A61K 8/898 (2006.01); A61Q 5/12 (2006.01)
CPC A61K 8/416 (2013.01) [A61K 8/466 (2013.01); A61K 8/891 (2013.01); A61K 8/898 (2013.01); A61Q 5/12 (2013.01); A61K 2800/30 (2013.01); A61K 2800/524 (2013.01); A61K 2800/56 (2013.01); A61K 2800/596 (2013.01)] 17 Claims
 
1. A composition comprising:
(i) 0.01 to 10 wt % of a linear, cationic conditioning surfactant;
(ii) 0.1 to 10 wt % of a linear fatty material;
(iii) a particulate benefit agent selected from conditioning actives, scalp actives, encapsulated fragrance, emulsified fragrance, or mixtures thereof, wherein the particulate benefit agent includes at least silicone emulsions as the conditioning actives; and
(iv) 0.01 to 5 wt %, at 100% active, of a branched cationic co-surfactant of the following structure

OG Complex Work Unit Chemistry
wherein:
R3 and R4 comprise linear or branched alkyl chains, saturated or unsaturated, with carbon-carbon chain lengths of from C6 to C22;
p has a range of from 1 to 6;
R7 comprises an alkyl chain having a carbon-carbon chain length of from C1 to C4;
R8 comprises a proton or an alkyl chain having a carbon-carbon chain length of from C1 to C4; and
X is an organic or inorganic anion;
wherein the molar ratios of branched cationic co-surfactants (iv) to linear cationic surfactants (i) are in the range of from 1:20 to 1:1.