2-(2′-hydroxyphenyl)benzotriazoles used as U.V. stabilizers
US6407254B1 · kind B1 · utility
4Cited by
5References
17Claims
0Family size
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Key dates
| Filing date | Apr 27, 2000 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Apr 27, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3475
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2-(2′-hydroxyphenyl)benzotriazoles having general formula (I). The above 2-(2′-hydroxyphenyl)benzotriazoles are useful as light stabilizers for organic polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.