Patent ID: 7297734
Filing Date: 2007-11-20
Classification: C07D

Abstract:
1. A process for preparing a synergistic stabilizer mixture comprising the components of the general formulae (I), (II) and (III), wherein the mixture comprises compound (I) in a fraction of 65-95%, compound, by weight (II) in a fraction of from 5 to 35%, by weight, and compound (III) in a fraction of from 0 to 10% by weight, wherein n and m independently of one another are a number from 0 to 100, but cannot both be 0, R R R comprising the steps of reacting at least one compound of the formula (V) in which R with an epihalohydrin of the formula (VI) in which X is a chlorine, bromine or iodine atom and in an inert organic solvent in a phase transfer reaction to form a reaction mixture, and polymerizing the reaction mixture, wherein the inert organic solvent is used in a ratio of from 2:1 to 1:5 with respect to compound (VI).