Patent ID: 7378548

Claim:
A process for the preparation of an ester group-containing tertiary amine compound represented by the general formula (1) (R 1 OCH 2 CH 2 ) n N(CH 2 CH 2 CO 2 R 2 ) 3-n (1) the process comprising the step of subjecting a secondary amine compound represented by the general formula (5) (R 1 OCH 2 CH 2 ) n NH 3-n (5) to Michael addition to an acrylic ester compound represented by the general formula (6) wherein: n is 2; and R 1 and R 2 each independently represents a straight chain, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain an ether, carbonyl or carbonyloxy group.