Patent · US Active

Agent for altering the color of keratin fibers comprising a fatty substance, a rheology modifying polymer, and direct dyes in a liquid emulsion system

US8721742B2 · kind B2 · utility

2Cited by
37References
49Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 2, 2012
Grant dateMay 13, 2014
Priority date
Expiry dateOct 14, 2032

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/546
  • 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 a fatty substance having a viscosity greater than about 50 mm2/s at 40° C.; 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.