Peroxide gel dentifrice

Details Peroxide gel dentifrice Peroxide gel dentifrice

1990-06-26

1991-10-22

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Dentifrices

Oxygen or chlorine releasing compound containing

424616, A61K 720, A61K 3340

Patent

active

050594176

ABSTRACT:
An oral composition is provided in the form of a clear gel dentrifice containing hydrogen peroxide and a polyoxyethylene-poloxypropylene copolymer. The gel is stabilized against loss of viscosity at low temperatures by the presence of glycerol in amounts more than 30% but less than 50%. The weight ratio of glycerol to copolymer must range from 1:0.7 to 1:0.4. Advantageously for peroxide stability, the composition has a pH of less than 3. Phosphoric acid is beneficial as the acidifying agent.

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patent: 3639574 (1972-02-01), Schmolka
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patent: 4849213 (1989-07-01), Schaeffer
patent: 4895721 (1990-01-01), Drucker
Periodontics and Oral Higiene, Keyes et al, Jan. 1978, pp. 51-56.

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