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Chewing cum capable of releasing finely divided water-insoluble materials therefrom

  • US 4,238,475 A
  • Filed: 08/01/1979
  • Issued: 12/09/1980
  • Est. Priority Date: 08/01/1979
  • Status: Expired due to Term
First Claim
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1. A chewing gum capable of releasing finely divided water-insoluble therapeutic materials therefrom comprising a water-soluble phase comprised of softener, a finely divided water-insoluble therapeutic material coated with a water-soluble coating agent to facilitate release of said therapeutic material and prevent resorption back into the gum base, wherein said coating agent is gum arabic, a dextrin, gum tragacanth, gelatin, pectin, carboxymethyl cellulose, alginate, or other hydrocolloid or mixtures thereof, and a relatively water-insoluble phase consisting essentially of a plurality of separate and distinct masses suspended in and dispersed throughout the water-soluble phase, each of said masses comprising gum base, the water-soluble phase releasing said therapeutic material upon chewing.

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