Halogen free high temperature polyamide compositions comprising phosphorus containing flame retardants
US9765204B2 · kind B2 · utility
7Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2015 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Jul 7, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Flame retardants produced by heating certain phosphonic acid salts at temperatures over 200° C. are readily compounded into high temperature polyamides that are processed at temperatures above 270° C. to provide flame retardant, high temperature polyamide compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.