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Abstract

A process for the preparation of soap and soap/synthetic detergent products from raw materials normally employed in the manufacture of such products including fatty acids, triglycerides and caustic by subjecting such raw materials to intensive countercurrent mixing whereby saponification takes place in a relatively short time, and whereby cooling and moisture removal of the soap mass is accomplished by making the mixing vessel substantially air tight and applying a vacuum to the soap mass within the vessel to yield a product, preferably in granular form, which requires no further drying for most uses. The resulting product can, if desired, can then be subjected to plodding, extrusion and stamping to form soap in bar form. The starting material can also be a mixture of such raw materials where neutralization has already proceed to some degree, preferably to the neat soap stage.

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First Claim