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

Claim 4:
5. The hair coloring composition of claim 3, wherein R3 is a hydrophobic moiety of the formula —(CH2)m-C(R3a)(R3b)(R3b), wherein m=0-5, R3a is C3-24 alkyl and each R3b independently is hydrogen or C3-24 alkyl, wherein each alkyl is linear and is optionally and independently substituted with one or more substituents selected from halogen, C1-C6 alkyl, C1-C6 alkoxy, NH(C1-C6 alkyl), N(C1-C6 alkyl)2.