Abrasive composition for use in toothpaste

Details Abrasive composition for use in toothpaste Abrasive composition for use in toothpaste

1978-09-28

1981-01-13

Arnold, Donald J.

Abrasive tool making process, material, or composition

With inorganic material

Clay, silica, or silicate

51309, 423335, 424 52, C04B 3116, C09C 168

Patent

active

042447070

ABSTRACT:
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 0.005-0.070 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.

REFERENCES:
patent: 2399237 (1946-04-01), Maloney
patent: 2649388 (1953-08-01), Wills et al.
patent: 2744001 (1956-05-01), Harman et al.
patent: 4062658 (1977-12-01), Byrne

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