Composition that protects dyed hair from fading
US5045307A · kind A · utility
4Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Jan 9, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of treating dyed hair to reduce the color loss caused by exposure to the ultraviolet rays of the sun by applying an effective amount of a hair treating formulation containing of an effective amount of a water insoluble benzophenone compound that combines readily with a hair substantive carrier composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.