Reactive, non-yellowing triazine compounds useful as UV screening agents for polymers
US4826978A · kind A · utility
65Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1987 |
| Grant date | May 2, 1989 |
| Priority date | — |
| Expiry date | Dec 29, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D251/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Triazine compounds are disclosed which are useful for imparting UV screening properties to polymers of the formula: ##STR1## wherein R is an electron withdrawing group; R.sub.1 is H, ##STR2## where R.sub.3 is an alkyl group having from one to about six carbon atoms; and R.sub.2 is selected from H and CH.sub.3, also disclosed are polymer compositions having improved UV screening properties containing said triazine compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.