| abstract |
Procedure for preparing piperidino derivatives, with the general formula **formula** that is substituted in position 2, 3 or 4 with the group R1, R2, where R1 is a straight or branched chain alkyl group and R2 is hydrogen or a straight or branched chain alkyl group and R1 and R2 together have from 3 to 14 carbon atoms inclusive and R3 is a straight or branched chain alkyl group containing from 2 to 10 carbon atoms inclusive and is substituted with a group hydroxy, the sum of the carbon atoms of the R1, R2 and R3 groups being at least 10 carbon atoms, preferably from 10 to 15 carbon atoms inclusive |