Dyeing and/or bleaching composition comprising a polycondensate of ethylene oxide and propylene oxide
US8403999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2010 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/86
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed herein is a device having one or more compartments, for dyeing keratin fibers, wherein a first compartment contains a dye composition free of oxidizing agent, comprising at least one hair dye and at least one polycondensate of ethylene oxide and propylene oxide, and optionally a second compartment contains an oxidizing composition. Also disclosed is an agent for dyeing and/or bleaching keratin fibers, obtained by mixing a composition A comprising at least one alkaline agent with a composition B comprising at least one oxidizing agent, compositions A and/or B comprising at least one fatty substance free of carboxylic acid groups, at least one polycondensate of ethylene oxide and propylene oxide, and a system of nonionic surfactants, with a weighted HLB of greater than or equal to 8, the amount of fatty substance being greater than 20% of the total weight of the dyeing and/or bleaching agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.