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Claims for Patent: 5,037,635

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Claims for Patent: 5,037,635

Title: Antibacterial antiplaque oral composition
Abstract:An oral composition such as a dentifrice or mouthwash, containing an aqueous phase of water and as solubilizing agent propylene glycol, dipropylene glycol, methyl cellosolve, ethyl cellosolve, olive oil, castor oil, amyl acetate, ethyl acetate, glyceryl tristrearate or benzyl benzoate mixed with at least one glycerine and sorbitol, a substantially water-insoluble noncationic antibacterial antiplaque agent, such as 2,4,4'-trichloro-2.sup.1 -hydroxydiphenyl ether (triclosan), and a synthetic anionic linear polymeric polycarboxylate having a molecular weight of about 1,000 to about 1,000,000.
Inventor(s): Nabi; Nuran (North Brunswick, NJ), Gaffar; Abdul (Princeton, NJ)
Assignee: Colate-Palmolive Company (Piscataway, NJ)
Application Number:07/436,155
Patent Claims: 1. An oral composition comprising in an orally acceptable vehicle, a water-humectant phase, said water and humectant comprising at least about 10% by weight of said oral composition, an effective antiplaque amount of a substantially water insoluble noncationic halogenated diphenyl ether antibacterial agent and about 0.0005-4% by weight of a synthetic anionic polymeric polycarboxylate having a molecular weight of about 1,000 to about 1,000,000, wherein said water-humectant phase includes a solubilizing agent which prevents precipitation of said antibacterial agent upon dilution with saliva during use in the oral cavity and which solubilizes said substantially water-insoluble non-cationic halogenated diphenyl ether antibacterial agent and is present in amount sufficient to dissolve said antibacterial agent and prevent precipitation of said antibacterial agent upon dilution with saliva during use in the oral cavity.

2. The oral composition claimed in claim 1 wherein said oral composition contains about 70-99.9% by weight of a mixture of water and alcohol in a weight ratio of from about 1:1 to about 20:1 and said oral composition is a mouthrinse.

3. The oral composition claimed in claim 2 wherein said alcohol is ethanol.

4. The oral composition claimed in claim 1 wherein said polymeric polycarboxylate is present in amount of about 0.1 to 2% of a water soluble alkali metal or ammonium salt of a copolymer of vinyl methyl ether and maleic acid or anhydride having a molecular weight of about 30,000 to about 500,00.

5. The oral composition claimed in claim 1 containing an effective anticalculus amount of material comprising at least one linear molecularly dehydrated polyphosphate salt as essential anticalculus agent.

6. The oral composition claimed in claim 5 wherein said polyphosphate salt is present in amount of about 0.1-7% by weight and is tetrasodium pyrophosphate.

7. The oral composition claimed in claim 5 wherein said composition contains an amount of fluoride ion source sufficient to supply 25 ppm. to 2,000 ppm. of fluoride ions.

8. The oral composition claimed in claim 5 wherein said fluoride source is sodium fluoride.

9. The oral composition claimed in claim 1 wherein said composition contains an amount of fluoride ion source sufficient to supply 25 ppm to 2000 ppm of fluoride ions.

10. The oral composition claimed in claim 1 wherein said oral compositions contains a dentally acceptable water-insoluble polishing agent and said oral compositions is a toothpaste or gel dentifrice.
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