Aromatic compounds of amide structure derived from aminobenzoic acids, hydroxy-benzoic acids, cinnamic acids, urocanic acids and benzimidazoles, absorbing UVB and/or UVA
US5298647A · kind A · utility
10Cited by
0References
12Claims
0Family size
Inventors
Key dates
| Filing date | Dec 14, 1987 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Dec 14, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/54
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aromatic compounds absorbing UVB and/or UVA, substituted with an amide function, selected from the group consisting of ##STR1## whose variable substituents are as defined in the specification, e.g. ##STR2## are useful as photoprotective agents or tanning accelerators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.