Process for producing acesulfame potassium

  • US 9,024,016 B2
  • Filed: 05/24/2013
  • Issued: 05/05/2015
  • Est. Priority Date: 06/08/2012
  • Status: Expired
First Claim
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1. A process for producing acesulfame potassium, the process comprising the steps of:

  • (a) reacting a first reaction mixture comprising;

    sulfamic acid,an amine, andfrom 1 wppm to 1 wt % wppm acetic acidto form an amidosulfamic acid salt;

    (b) reacting the amidosulfamic acid salt with diketene to form an acetoacetamide salt;

    (c) deriving the acesulfame potassium from the acetoacetamide salt,wherein a molar ratio of acetic acid to sulfamic acid in the first reaction mixture is less than 0.095;

    1.

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