Enzyme-containing denture cleanser tablet

Details Enzyme-containing denture cleanser tablet Enzyme-containing denture cleanser tablet

A - Human Necessities

61

K

167/316, 195/33.

A61K 8/19 (2006.01) A61K 8/22 (2006.01) A61K 8/66 (2006.01) A61Q 11/02 (2006.01) C11D 17/00 (2006.01)

Patent

CA 1047406

ABSTRACT OF THE DISCLOSURE A water-soluble effervescent layered denture cleanser tablet. It consists of an enzyme layer in an effervescence producing composition and an active oxygen layer in an effer- vescence producing composition. The enzyme layer is faster dissolving than the active oxygen layer. The tablet contains at least one enzyme in an amount of from about 0.5 to 10 percent by weight and at least one active oxygen compound in an amount of from about 38 to 42 percent by weight, these amounts being based on the total weight of tablet. In the tablet the enzyme layer is less than one-half and the active oxygen layer more than one-half of the total thickness of the tablet. The effer- vescence producing composition in each layer of the tablet comprises an acid and an alkali metal carbonate compound. The amount of the effervescence producing composition to be in- corporated in the tablet is for the enzyme layer from about 75 to 90 percent of the weight of the enzyme layer and for the active oxygen layer from about 30 to 40 percent of the weight of the active oxygen layer. Each layer of the tablet has in- corporated therein components in the form of finely divided powder of particle size of about 177 microns or less. the amounts of the powder being, for the enzyme layer from about 30 to 50 percent of the weight of the components of the enzyme layer and for the active oxygen layer from about 20 to 30 per- cent of the weight of the components of the active oxygen layer.

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