Agent for altering the color of keratin fibers containing a fatty substance, a rheology modifying polymer, and direct dyes in a cream emulsion system
US8721741B2 · kind B2 · utility
2Cited by
37References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 2, 2012 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Oct 3, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/432
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is drawn to an agent and process for altering the color of keratin fibers wherein the agent comprises: (A) a color base composition, containing from about 50% to about 80% by weight of a fatty substance comprising a fatty substance having a viscosity greater than about 50 mm2/s at 40° C.; and optionally, an additional fatty substance; a rheology modifying polymer; and an alkalizing agent; a short alkyl chain hydroxy compound chosen from monoalcohols and polyols; a direct dye; optionally an oxidative dye precursor; and (B) optionally, an oxidizing composition comprising an oxidizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.