Therapeutic dentifrices in unlined container and method

Details Therapeutic dentifrices in unlined container and method Therapeutic dentifrices in unlined container and method

A - Human Necessities

61

K

57/22, 167/320.7

A61K 7/16 (1980.01)

Patent

CA 1102563

ABSTRACT OF THE DISCLOSURE The corrosion and staining of unlined aluminum tube surfaces by dentifrices such as toothpastes, particularly when the dentifrices contain therapeutic agents, is substantially prevented by incorporation into the dentifrice of a controlled amount of an alkaline earth metal ion such as calcium ion, in the range of 0.005-0.2 weight percent, and preferably in the range of 0.005-.070 weight percent of the dentifrice. The alkaline earth metal may be provided from any water soluble alkaline earth metal salt or as a reaction product of the alkaline earth metal salt with an amorphous silica abrasive and/or thickener. - 1 -

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