Patent ID: 8143433

Claim:
An alkylated triaryl phosphate ester comprising: a) in the range of from about 90 to about 92 wt. % isopropylphenyl diphenyl phosphate, in the range of from about 0.5 to about 0.75 wt. % triphenyl phosphate, in the range of from about 1 to about 3 wt. % diisopropylated triphenyl phosphate, in the range of from about 0.05 to about 0.15 wt. % triisopropylated triphenyl phosphate, and in the range of from about 0.5 to about 0.75 wt. % 2,4-diisopropylphenyl diphenyl phosphate; or b) in the range of from about 94 to about 96 wt. % isopropylphenyl diphenyl phosphate, in the range of from about 3.5 to about 5.5 wt. % diisopropylated triphenyl phosphate, and in the range of from about 0.1 to about 0.3 wt. % triisopropylated triphenyl phosphate; or c) in the range of from about 71 to about 73 wt. % isopropylphenyl diphenyl phosphate, in the range of from about 0.05 to about 0.15 wt. % triphenyl phosphate, in the range of from about 26 to about 28 wt. % diisopropylated triphenyl phosphate, and in the range of from about 0.5 to about 0.7 wt. % triisopropylated triphenyl phosphate.