Methods of use and of making a mascara comprising at least one coloring agent and at least one heteropolymer
US6716420B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Oct 5, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods of dispersing at least one coloring agent in a cosmetic composition comprising including in the cosmetic composition at least one heteropolymer, wherein the at least one heteropolymer is present in an amount effective to disperse the at least one coloring agent, and methods of providing at least one property chosen from gloss and intense color to a cosmetic composition, comprising including in the cosmetic composition (i) at least one heteropolymer comprising a polymer skeleton which comprises at least one hydrocarbon-based repeating unit comprising at least one hetero atom; and (ii) at least one coloring agent, wherein the at least one heteropolymer is present in an amount effective to disperse the at least one coloring agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.