Patent ID: 8629297

Claim:
A compound of the structure (I) wherein R 1 is hydrogen, an alkyl radical having 1 to 3 C atoms, or a group R 3 ; R 2 is an alkyl group having 2 to 22 C atoms, wherein the alkyl group is linear or branched or cyclic, and saturated or mono- or poly-olefinically unsaturated; R 3 is a saturated alkyl radical having 1 to 3 C atoms, and is substituted on one of the C atoms by a group —O—(CH 2 —CHZ—O) p —H; X, Y, and Z independently of one another are a hydrogen radical or a methyl radical; and n and m independently of one another are a number in the range from 1 to 45, and p is a number in the range from 0 to 45, with the proviso that the sum n+m+p is in the range from 2 to 70.