Flame retardant composition
US9631144B2 · kind B2 · utility
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14References
14Claims
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Key dates
| Filing date | Sep 9, 2014 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Sep 9, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A liquid flame retardant composition which comprises one or more flame retarding agents, which are the epoxides obtainable by reacting tetrabromobisphenol A with epichlorohydrin and their end-capped derivatives represented by Formula (1) is provided. The liquid composition is especially useful in the preparation of rigid polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.