Hair dye composition and process for using the same
US4746322A · kind A · utility
19Cited by
6References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | May 11, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The subject invention concerns novel dye compositions and a process for dyeing keratinous fibers, for example, hair, to give a pleasing and stable colored product. The dye composition is a novel combination of three elements to give a dye that, unexpectedly, has highly desirable dyeing properties. This unique combination comprises (1) a suitable organic compound to assist dye dispersion, (2) dye precursors including dopamine, D-dopa, L-dopa, D,L-dopa, or analogs thereof, and (3) iodate or periodate. Desired color variations can be obtained by the use of appropriate color modifiers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.