Ultraviolet light stabilized copolyestercarbonate
US4535104A · kind A · utility
7Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 20, 1984 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Jul 20, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3475
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprising an aromatic copolyestercarbonate article surface impregnated with an ultraviolet light degradation inhibiting effective amount of a compound of the formula ##STR1## wherein R is hydrogen or alkyl of one to twelve carbon atoms, inclusive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.