Benzoxazole stabilizer compounds and polymeric materials stabilized therewith
US4579893A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1984 |
| Grant date | Apr 1, 1986 |
| Priority date | — |
| Expiry date | Jan 6, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/35
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are compounds having the formula ##STR1## wherein X is the residue of a benzoxazole radical; PA0 Y is carboxyl, alkoxycarbonyl, alkanoyl, cyano, carbamoyl, N-alkylcarbamoyl or N,N-dialkylcarbamoyl; and PA0 A is phenyl, naphthyl or phenyl or napthyl substituted with one or more substituents selected from hydroxy, halogen, alkyl, alkoxy, cycloalkyl, aryl, aryloxy or Y. Also disclosed are polymeric materials stabilized against degradation by ultraviolet light by the incorporation therein of one or more of the above-defined compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.