N-(mercaptoalkyl).OMEGA.-hydroxyalkylamides and their use as a reducing agent in a process for permanently deforming hair
US5015767A · kind A · utility
20Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1990 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | May 25, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C323/41
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An N-(mercaptoalkyl).OMEGA.-hydroxyalkylamide having the formula, ##STR1## wherein n is 2 or 3 and m is 2 to 5 inclusive is employed as a reducing agent in the first stage reducing operation of permanently deforming hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.