Sunscreen agents
US5573755A · kind A · utility
4Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1994 |
| Grant date | Nov 12, 1996 |
| Priority date | — |
| Expiry date | Aug 11, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/413
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hydroxy salts of formula: EQU [M(OH).sub.(2-a) ].sup.a+ X.sup.b-.sub.a/b.zH.sub.2 O where M is zinc, copper or a mixture of the two and X denotes anions at least some of which display ultraviolet absorption over at least a portion of the wavelength range from 290 to 400 nanometers, their use as sunscreen agents and sunscreen compositions comprising them together with a cosmetically acceptable vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.