Alkoxylate according to the following formula wherein X is selected from ethoxy and mixtures of ethoxy and propoxy groups, preferably is selected from ethoxy and mixtures of ethoxy and propoxy groups where the number of ethoxy groups in the mixtures is greater than the number of propoxy groups and more preferably X is ethoxy, T is selected from the group consisting of H, C 1 -C 4 alkyl, SO 3 -, CH 2 -COO -, sulfosuccinate and PO 3 2-, preferably is selected from the group consisting of H and CH 3 and more preferably is H, R1, R2 and R4 are H, CO-NR8R3 or COO-[X 1] v -R3, whereby two of the substituents R1, R2 and R4 are H and the third of these substituents is CO-NR8R3 or COO-[X 1] v -R3 and preferably is COO-[X 1] v -R3, R8 is H or a linear or branched alkyl group with 1 to 4 C-atoms, preferably H or CH 3 and more preferably H, R3 is a linear or branched saturated alkyl group with 6 to 30, preferably 8 to 22 and more preferably 12 to 18 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30, preferably 8 to 22 and more preferably 12 to 18 carbon atoms, an aryl group with 6 to 10 carbon atoms, preferably phenyl, a group (CH 2 CH 2 O) m aryl, wherein the aryl group comprises 6 to 10 carbon atoms and m, on a molar average, is a number of from 1 to 100, preferably of from 1 to 10, more preferably of from 1 to 3 and even more preferably of from 1 to 2, and preferably (CH 2 CH 2 O) m aryl is (CH 2 CH 2 O) m phenyl, or an aryl-substituted linear or branched C 1 -C 3 alkyl group wherein the aryl group comprises 6 to 10 carbon atoms, preferably benzyl, but in the case, that R1 and R4 are H and R2 is COOR3, R3 can only be an alkyl group, an alkenyl group or a group (CH 2 CH 2 O) m aryl as defined above and in this case R3 preferably is an alkyl group or an alkenyl group as defined above, X 1 is selected from ethoxy and mixtures of ethoxy and propoxy groups, preferably is selected from ethoxy and mixtures of ethoxy and propoxy groups where the number of ethoxy groups in the mixtures is greater than the number of propoxy groups and more preferably X 1 is ethoxy, u on a molar average, is a number of from 3 to 100, preferably of from 5 to 60, more preferably of from 6 to 50, even more preferably of from 8 to 40 and particularly preferably of from 9 to 35, and v on a molar average, is a number of from 0 to 20, preferably of from 0 to 12, more preferably of from 0 to 10, even more preferably of from 0 to 8 and particularly preferably of from 0 to 7. X is selected from ethoxy and mixtures of ethoxy and propoxy groups, preferably is selected from ethoxy and mixtures of ethoxy and propoxy groups where the number of ethoxy groups in the mixtures is greater than the number of propoxy groups and more preferably X is ethoxy, T is selected from the group consisting of H, C 1 -C 4 alkyl, SO 3 -, CH 2 -COO -, sulfosuccinate and PO 3 2-, preferably is selected from the group consisting of H and CH 3 and more preferably is H, R1, R2 and R4 are H, CO-NR8R3 or COO-[X 1] v -R3, whereby two of the substituents R1, R2 and R4 are H and the third of these substituents is CO-NR8R3 or COO-[X 1] v -R3 and preferably is COO-[X 1] v -R3, R8 is H or a linear or branched alkyl group with 1 to 4 C-atoms, preferably H or CH 3 and more preferably H, R3 is a linear or branched saturated alkyl group with 6 to 30, preferably 8 to 22 and more preferably 12 to 18 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30, preferably 8 to 22 and more preferably 12 to 18 carbon atoms, an aryl group with 6 to 10 carbon atoms, preferably phenyl, a group (CH 2 CH 2 O) m aryl, wherein the aryl group comprises 6 to 10 carbon atoms and m, on a molar average, is a number of from 1 to 100, preferably of from 1 to 10, more preferably of from 1 to 3 and even more preferably of from 1 to 2, and preferably (CH 2 CH 2 O) m aryl is (CH 2 CH 2 O) m phenyl, or an aryl-substituted linear or branched C 1 -C 3 alkyl group wherein the aryl group comprises 6 to 10 carbon atoms, preferably benzyl, but in the case, that R1 and R4 are H and R2 is COOR3, R3 can only be an alkyl group, an alkenyl group or a group (CH 2 CH 2 O) m aryl as defined above and in this case R3 preferably is an alkyl group or an alkenyl group as defined above, X 1 is selected from ethoxy and mixtures of ethoxy and propoxy groups, preferably is selected from ethoxy and mixtures of ethoxy and propoxy groups where the number of ethoxy groups in the mixtures is greater than the number of propoxy groups and more preferably X 1 is ethoxy, u on a molar average, is a number of from 3 to 100, preferably of from 5 to 60, more preferably of from 6 to 50, even more preferably of from 8 to 40 and particularly preferably of from 9 to 35, and v on a molar average, is a number of from 0 to 20, preferably of from 0 to 12, more preferably of from 0 to 10, even more preferably of from 0 to 8 and particularly preferably of from 0 to 7.