| abstract |
PCT No. PCT/US91/07758 Sec. 371 Date Apr. 27, 1993 Sec. 102(e) Date Apr. 27, 1993 PCT Filed Oct. 21, 1991 PCT Pub. No. WO92/07926 PCT Pub. Date May 14, 1992.The present invention relates to a process for manufacturing improved color surfactant agglomerates, particularly comprising methyl ester sulfonates, for use in detergent compositions, said process comprising sulfonation of methyl ester, digestion of the sulfonation product, esterification of said sulfonated product to produce an acid product and agglomeration of said acid product, characterized in that said acid product is exposed to a solid bleaching agent immediately prior to or during agglomeration of said acid product. |