Process for producing a colorant for keratin fibers
US8545575B2 · kind B2 · utility
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2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2013 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Feb 28, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for manufacturing a coloring agent for keratin fibers is provided. The method includes directing a composition A from a container A by a filler apparatus through an inlet opening into a second container B containing a second composition B. The composition A is flowable. The coloring agent for keratin fibers exits from the container B as a mixture of the composition A and the composition B. The composition B comprises an oil component having a melting point below about 25° C. and the composition A and/or the composition B comprises an emulsifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.