Method for preparing a coloring composition
US8673023B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2012 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Oct 15, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for manufacturing a coloring agent for keratin fibers from a first composition A and a second composition B is provided. The method comprises directing the first composition A from a container A by a filler apparatus through an inlet opening into a second container B containing the second composition B. In container B, as a result of the introduction of composition A and/or the action of the filler apparatus, at least one exit opening is formed out of which the coloring agent for keratin fibers exits from container B as a mixture of compositions A and B.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.