Oligomeric bisphosphate flame retardants and compositions containing the same
US8119711B2 · kind B2 · utility
1Cited by
1References
12Claims
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Key dates
| Filing date | Aug 30, 2007 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Apr 7, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An oligomeric phosphate or mixture of oligomeric phosphates having the general formula (I) wherein R1, R2, R3 and R4 each independently is aryl or alkaryl and n has an average value of from about 1.0 to about 2.0 and resin compositions containing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.