"VERFAHREN ZUR VEREINFACHTEN GEWINNUNG VON HELLFARBIGEN WASCHAKTIVEN (ALPHA)-SULFOFETTSAEUREESTERN"
This invention is directed to the preparation of alpha -sulfofatty acid esters. More particularly, this invention is directed to a process for the simplified preparation of light-colored, wash-active esters of alpha -sulfofatty acids with monovalent C1 to C8 alcohols or their salts from fats and oil...
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Main Authors | , , |
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Format | Patent |
Language | German |
Published |
15.07.1982
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Subjects | |
Online Access | Get full text |
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Summary: | This invention is directed to the preparation of alpha -sulfofatty acid esters. More particularly, this invention is directed to a process for the simplified preparation of light-colored, wash-active esters of alpha -sulfofatty acids with monovalent C1 to C8 alcohols or their salts from fats and oils of vegetable and/or animal origin comprising re-esterification with the monovalent alcohols or saponification and esterification with the monovalent alcohols, separation of the fatty acid ester formed, hydrogenation of the fatty acid ester, sulfonation, and bleaching, wherein a fatty acid ester fraction from which accompanying fatty acid glycerides have been removed to the extent of about 1 percent by weight or less, based upon the weight of the material to be sulfonated, is introduced into the sulfonation stage. |
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Bibliography: | Application Number: DE19803047897 |