Procedure for the permanent reshaping of hair, and composition intended for carrying out said procedure
US4366827A · kind A · utility
19Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1980 |
| Grant date | Jan 4, 1983 |
| Priority date | — |
| Expiry date | Dec 18, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for the permanent reshaping of hair consists in reducing the bisulfide bonds of the keratin by applying a reducing composition containing a cationic polymer and reforming the said bonds by applying an oxidizing composition in the presence of an anionic surface active agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.