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Plaque inhibition with antiplaque oral composition dispensed from container having polymeric material in contact and compatible with the composition

  • US 5,496,540 A
  • Filed: 01/10/1994
  • Issued: 03/05/1996
  • Est. Priority Date: 10/26/1989
  • Status: Expired due to Term
First Claim
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1. In a method of inhibiting plaque on teeth comprising applying to the teeth an oral composition dispensed from an article comprising a dispensing container having solid polymeric material in contact with an oral composition in the container, which composition comprises an effective antibacterial antiplaque proportion of a substantially water insoluble non-cationic halogenated diphenyl ether antibacterial antiplaque agent which is normally so incompatible with said solid polymeric material that at least about 25% of said agent is lost after six weeks storage at room temperature in said container, the improvement comprising employing as said solid polymeric material polytetrafluoroethylene which is compatible with said agent in the presence of the oral composition whereby said loss is prevented and the dispensed composition contains more than about 75% of its initial content of said agent.

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