Patent ID: 11904042
Assignee: HFC PRESTIGE INTERNATIONAL HOLDING SWITZERLAND S.A.R.L.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A

Claim 3:
4. The hair coloring composition of claim 3, wherein R2 is a hydrophobic moiety of the formula
—(CH2)m-C(R2a)(R2b)(R2b), wherein m=0-5, R2a is linear C3-24 alkyl and each R2b independently is hydrogen or linear C3-24 alkyl, wherein each alkyl is optionally and independently substituted with one or more substituents selected from the group consisting of halogen, C1-C6 alkyl, C1-C6 alkoxy, —NH(C1-C6 alkyl), —N(C1-C6 alkyl)2, —(CH2)n-NH(C14-28 alkyl), —(CH2)n-N(C6-C20 alkyl)2, —(CH2)n-NH—(CH2)n-CH(C6-C20 alkyl)2, and —(CH2)n-NH—(CH2)n-C(C4-C10 alkyl)3, wherein n=0-3 and alkyl is linear and is optionally substituted with one or more substituents selected from halogen, C1-C6 alkyl, C1-C6 alkoxy, NH(C1-C6 alkyl), N(C1-C6 alkyl)2, and —(CH2)n-aryl, wherein n=0-3 and wherein aryl is C5-C10 aryl, wherein 1 or 2 of the carbon atoms of the C5-C10 aryl may be replaced by N, O or S, and wherein the C5-C10 aryl optionally is substituted with up to 3 substituents selected from halogen, C1-C6 alkyl, C1-C6 alkoxy, NH(C1-C6 alkyl), N(C1-C6 alkyl)2.