Hair care composition containing polymeric colorant
US12377033B2 · kind B2 · utility
0Cited by
15References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2021 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Oct 8, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/4324
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a hair care composition that contains at least one hair care ingredient and at least one polymeric colorant. The invention also relates to 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; (b) applying the hair care composition to hair; and (c) allowing the hair care composition to contact the hair for a period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.