US 11,890,365 B2
Composition and process for treating hair
Camila Maciel Biato, Rio de Janeiro (BR); Erika Alegrio Jarque Petali, Rio de Janeiro (BR); Bruno Maiko Sato, Rio de Janeiro (BR); Sintia Aguiar, Rio de Janeiro (BR); Serge Restle, Rio de Janeiro (BR); and Liliane De Almeida Silvestre, Rio de Janeiro (BR)
Assigned to L'OREAL, Paris (FR)
Filed by L'OREAL, Paris (FR)
Filed on Feb. 3, 2021, as Appl. No. 17/166,337.
Application 17/166,337 is a continuation of application No. 15/563,182, granted, now 10,912,727, previously published as PCT/BR2016/050074, filed on Apr. 1, 2016.
Claims priority of application No. PCT/BR2015/050037 (WO), filed on Apr. 2, 2015; and application No. PCT/BR2015/050270 (WO), filed on Dec. 23, 2015.
Prior Publication US 2021/0177718 A1, Jun. 17, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/46 (2006.01); A61Q 5/04 (2006.01); A61K 8/73 (2006.01); A61K 8/894 (2006.01); A45D 7/06 (2006.01); A61K 8/19 (2006.01); A61K 8/31 (2006.01); A61K 8/34 (2006.01); A61K 8/41 (2006.01); A61K 8/58 (2006.01); A61K 8/81 (2006.01); A61K 8/891 (2006.01); A61K 8/892 (2006.01); A61K 8/898 (2006.01)
CPC A61K 8/46 (2013.01) [A45D 7/06 (2013.01); A61K 8/19 (2013.01); A61K 8/31 (2013.01); A61K 8/342 (2013.01); A61K 8/41 (2013.01); A61K 8/58 (2013.01); A61K 8/585 (2013.01); A61K 8/731 (2013.01); A61K 8/817 (2013.01); A61K 8/891 (2013.01); A61K 8/892 (2013.01); A61K 8/894 (2013.01); A61K 8/898 (2013.01); A61Q 5/04 (2013.01); A61K 2800/48 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hair cosmetic composition comprising:
(a) from 2% to 10% of thiolactic acid, a salt thereof, or a mixture thereof;
(b) at least one neutralizing agent selected from aminomethyl propanol, sodium hydroxide, potassium hydroxide, lithium hydroxide, am inomethyl propanediol, triisopropanol amine, dimethylstearylamine, dimethyl/tallowamine, lysine, ornithine, arginine, monoethanolamine, triethanolamine, calcium hydroxide, calcium bicarbonate, and mixtures thereof; and
(c) water;
wherein the pH of the composition ranges from 2 to 5.5, and all percentages are based on a total weight of the composition.