Copolyesters derived from ethoxylated 3,5-dibromo-4-hydroxybenzoic acid
US4043981A · kind A · utility
11Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 1976 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Feb 6, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6822
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Flame retardant high molecular weight linear copolyesters capable of being formed into fibers and filaments and which exhibit a high degree of thermal and ultraviolet stability are obtained using ethoxylated 3,5-dibromo-4-hydroxybenzoic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.