PROCEDURE FOR THE MANUFACTURE OF WHITE ALPHA-SULPHONATIVE ACID-RIGAL-YLESTER SALTS.

摘要

PCT No. PCT/EP91/00644 Sec. 371 Date Oct. 14, 1992 Sec. 102(e) Date Oct. 14, 1992 PCT Filed Apr. 5, 1991 PCT Pub. No. WO91/16300 PCT Pub. Date Oct. 31, 1991.Light-colored ester sulfonates can be obtained by sulfonation of fatty acid lower alkyl esters and subsequent working up providing fatty acid esters having a low content of oxo compounds and unsaturated compounds are used in the sulfonation stage.