abstract |
The invention concerns novel phosphoric acid esters of the formula: O PARALLEL (R1O)m P-OR2)3-m WHEREIN R1 is a radical WHEREIN Hal is chlorine or bromine and N IS AN INTEGER 3, 4 OR 5, R2 is a radical -CH2-C(CH2Hal)3 WHEREIN Hal is as defined above and M IS AN INTEGER 1 OR 2. |