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US 2021/0163405 A1Published application
Enhanced conversion of taurine to alkyl taurate amide using phosphoric acid catalysts
AssigneeConopco, Inc., d/b/a UNILEVER
InventorsErin Whitfield DUNN, Bijan HARICHIAN, Anat SHILOACH, John Robert WINTERS
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Abstract
The invention relates to method of enhancing yield of alkyl taurate amides using enhancing specifically phosphoric acid catalysts. It further relates to the use of phosphoric acid to enhance yield while avoiding and/or reducing undesirable browning.
Claims9
A process for making alkyl taurate amide comprising reacting C8 to C20 fatty acid with taurine salt, wherein:
- a) the molar ratio of fatty acid to taurate or taurine salt is 1.5:1 to 10:1;
- b) reaction temperature is from 180° C. to 250° C.;
- c) catalyst is used in an amount of 0.1 to 0.7 wt %;
- d) reaction time is 1 to 10 hours;
- and
- e) catalyst is phosphoric acid.
3 more elements
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Dependencies are inferred from the claim text.