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Effervescent granules with delayed effervescent effect

  • US 6,432,450 B1
  • Filed: 09/06/2000
  • Issued: 08/13/2002
  • Est. Priority Date: 09/09/1999
  • Status: Expired due to Term
First Claim
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1. Effervescent granules with delayed effervescent effect, consisting of at least one acid component and one gas-evolving component of alkali hydrogen carbonate, alkali carbonate, and/or alkaline-earth carbonate particles evolving gas under the action of acid, as well as of active substances, fragrances, plant extracts, vitamins, minerals admixed as needed, the at least one acid component comprising particles coated with at least one of the following compounds:

  • alkali carbonate, alkali hydrogen carbonate, alkaline-earth carbonate, alkaline-earth oxide, hydrocolloid, wherein the particles of the gas-evolving component are coated with a melt of polyethylene glycol or mixtures of polyethylene glycols.

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