Color stable aromatic polyesters
US4302382A · kind A · utility
5Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 1980 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | May 5, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Color stable compositions consisting of aromatic polyester and 0.01 to 0.5% by weight of the aromatic polyester of a stabilizer selected from the group consisting of phosphates, phosphonates and mixtures of either phosphates or phosphonates with epoxides having a boiling point of above about 250.degree. C. These compositions are useful in the manufacture of engineering plastics such as automobile headlights.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.