Use of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparation
US5961960A · kind A · utility
8Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to N-substituted benzazoles, processes for their preparation and their use as UV absorbers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.