Polyester composition having copolymerized therein a light absorbing compound
US5274072A · kind A · utility
19Cited by
4References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | May 4, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.