US 11,701,311 B2
Device for dispensing a hair dyeing product using a dye composition and an oxidizing composition comprising a scleroglucan gum
Sabrina Muller, Saint-Ouen (FR); Delphine Charrier, Saint-Ouen (FR); Aldo Pizzino, Saint-Ouen (FR); Frédéric Simonet, Saint-Ouen (FR); Cindy Yadel, Saint-Ouen (FR); Fanny Cardonnel, Saint-Ouen (FR); and Mladen Milic, Saint-Ouen (FR)
Assigned to L'OREAL, Paris (FR)
Appl. No. 17/253,019
Filed by L'OREAL, Paris (FR)
PCT Filed Jun. 20, 2019, PCT No. PCT/EP2019/066361
§ 371(c)(1), (2) Date Dec. 16, 2020,
PCT Pub. No. WO2019/243505, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 1855427 (FR), filed on Jun. 20, 2018.
Prior Publication US 2021/0121374 A1, Apr. 29, 2021
Int. Cl. A61Q 5/10 (2006.01); A61K 8/04 (2006.01); A61K 8/41 (2006.01); A61K 8/73 (2006.01)
CPC A61K 8/046 (2013.01) [A61K 8/41 (2013.01); A61K 8/73 (2013.01); A61Q 5/10 (2013.01)] 20 Claims
 
1. A device for dispensing a product for dyeing keratin fibers, comprising a container comprising:
(i) at least two compartments comprising a first compartment (a) and a second compartment (b) that are separate from each other, wherein:
the first compartment (a) comprises a dye composition (A) comprising:
at least one oxidation dye; and
at least one alkaline agent chosen from aqueous ammonia, alkali metal or alkaline-earth metal metasilicates, alkanolamines, amino acids, or mixtures thereof;
the second compartment (b) comprises an oxidizing composition (B) comprising at least one chemical oxidizing agent; and
at least one of the dye composition (A) or the oxidizing composition (B) comprises at least one scleroglucan gum and is stable for at least two months at 25° C.; and
(ii) a dispensing apparatus, equipped with at least one dispensing orifice in communication with compartments (a) and (b), configured to simultaneously dispense the dye composition (A) and the oxidizing composition (B), in mixed or separate form.