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US 5,312,932 AGranted
Process for the continuous production of partial glyceride sulfates
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsAnsgar Behler, Uwe Ploog, Bernd Fabry, Frank Clasen
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Abstract
Process for the continuous production of partial glyceride sulfates comprising the steps of A. continuously reacting partial glycerides with gaseous sulfur trioxide, B. subjecting the resulting acidic sulfonation products to ageing, and C. neutralizilng the aged acidic sulfonation products with an aqueous base in the presence of a buffer.
Claims20
A process for the continuous production of partial glyceride sulfates comprising the steps of
- A) reacting at least one partial glyceride with gaseous sulfur trioxide to produce at least one acidic sulfation product;
- B) ageing the at least one acidic sulfation product;
- and
- C) neutralizing the aged acidic sulfation product with aqueous base in the presence of a buffer.
1 more element
The process of claim 25 wherein step C) is carried out at a pH in the range of from 6.5 to 8.
Dependencies are inferred from the claim text.