Patent ID: 8129457

Claim:
A flame retardant composition for use with a flexible polyurethane foam comprising: a component A, said component A being an alkyl substituted aryl phosphate represented by the general structure wherein R 1 , R 2 , and R 3 are independently either hydrogen or a linear or branched C 1 to C 6 alkyl group; a component B, said component B includes halogenated flame retardants selected from the group consisting of brominated alkylated aromatics, brominated aromatic ethers, brominated benzoates, and brominated phthalates represented by the general structures and mixtures thereof, wherein n is an integer from 1 to 5 for alkylated aromatics, ethers, and benzoates and from 1 to 4 for phthalates, R is an alkyl group which optionally comprises at least one nitrogen, oxygen, or sulphur atom; and a component C, said component C includes a flame retardant additive comprising an alkyl phosphate ester having alkyl groups range from C 4 to C 20 and contain one to six oxygen atoms in the alkyl chain, wherein said component A and said component B are present in a ratio with component C from about 85:15 to about 99:1 wt. percent.