Hybrid s-triazine light stabilizers substituted by benzotriazole or benzophenone moieties and compositions stabilized therewith
US5585422A · kind A · utility
12Cited by
42References
22Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 20, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Sep 20, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/34926
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
s-Triazine UV absorbers substituted by a benzotriazolyl or benzophenonyl moiety exhibit unexpectedly improved UV absorption characteristics and outstanding efficacy in protecting organic substances from the deleterious effects of actinic radiation as well as good resistance to loss by volatilization during processing of stabilized compositions at elevated temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.