	US 12,377,033 B2
	Hair care composition containing polymeric colorant
Richard Lawson, Greer, SC (US); Haihu Qin, Greer, SC (US); Eric Stephens, Spartanburg, SC (US); Wesley Freund, Simpsonville, SC (US); and Sanjeev Dey, Spartanburg, SC (US)
Assigned to Milliken & Company, Spartanbuurg, SC (US)
Appl. No. 18/020,106
Filed by Milliken & Company, Spartanburg, SC (US)
PCT Filed Sep. 10, 2021, PCT No. PCT/US2021/049776 § 371(c)(1), (2) Date Feb. 7, 2023, PCT Pub. No. WO2022/056205, PCT Pub. Date Mar. 17, 2022.
Claims priority of provisional application 63/077,737, filed on Sep. 14, 2020.
Prior Publication US 2023/0270651 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61Q 5/10 (2006.01); A61K 8/45 (2006.01); A61K 8/46 (2006.01); A61K 8/49 (2006.01); A61Q 5/02 (2006.01); A61Q 5/06 (2006.01); A61Q 5/12 (2006.01)

CPC A61K 8/4993 (2013.01) [A61K 8/45 (2013.01); A61K 8/466 (2013.01); A61Q 5/02 (2013.01); A61Q 5/065 (2013.01); A61Q 5/10 (2013.01); A61Q 5/12 (2013.01); A61K 2800/4322 (2013.01); A61K 2800/4324 (2013.01)]

39 Claims

1. A method for coloring human head or facial hair comprising the following steps:

(a) providing a hair care composition that contains at least one poly(alkyleneoxy) substituted chromophore colorant, wherein the chromophore of the colorant is selected from azo, carbazole, pyrazolone, cyanine, phthalocyanine, aza[18]annulene, formazan copper complex, nitroso, nitro, diarylmethane, triarylmethane, xanthene, acridine, methine, thiazole, indamine, azine, oxazine, thiazine, quinoline, indigoid, indophenol, lactone, aminoketone, hydroxyketone, naphthalimide, and stilbene chromophores;

(b) applying the hair care composition to hair; and