Tris-aryl-s-triazines substituted with biphenylyl groups
US5849821A · kind A · utility
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18References
21Claims
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Key dates
| Filing date | Sep 8, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Sep 8, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31699
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Selected s-triazines of formula I ##STR1## where G.sub.1 and G.sub.2 are biphenylyl moieties, are UV absorbers having high thermal stability and surprisingly high extinction coefficients making them of especial interest in stabilizing automotive coatings where such properties are highly valued.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.