Dentifrice based on high particle size alpha-alumina trihydrate

Details Dentifrice based on high particle size alpha-alumina trihydrate Dentifrice based on high particle size alpha-alumina trihydrate

1974-07-19

1979-09-18

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Dentifrices

424 52, 424 57, A61K 716, A61K 718

Patent

active

041683013

ABSTRACT:
The invention relates to a dentifrice which contains at least 40% by weight of abrasive agent of which at least 30% by weight of the dentifrice is alpha-alumina trihydrate having a particle size such that at least about 20%, and preferably at least about 25%, by weight of the particles have a size greater than 20 microns. The dentifrice when in the form of a toothpaste preferably contains as sole abrasive agent 45% to 60% by weight of particles of alpha-alumina trihydrate of gaussian distribution and weight median diameter of about 14 to about 25 microns.

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