abstract |
PCT No. PCT/EP91/02072 Sec. 371 Date May 11, 1993 Sec. 102(e) Date May 11, 1993 PCT Filed Nov. 4, 1991 PCT Pub. No. WO92/08695 PCT Pub. Date May 29, 1992.The invention relates to a process for the production of concentrated mono- and/or disalt dispersions of alpha -sulfofatty acids by sulfonation of saturated fatty acids and/or fatty acid mixtures with sulfur trioxide, surfactants being added during the neutralization stage to improve the flowability of the dispersions. |