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US4296094A Dental cleaning composition and method 失效
牙科清洁剂组合物及方法

Dental cleaning composition and method
摘要:
A dental cleaning composition comprising about 0.01 to about 30% by weight, based on the composition, of a hydrotalcite compound of the following formulaMg.sub.1-x Al.sub.x (OH).sub.2+x-ny A.sub.y.sup.n-.mH.sub.2 OwhereinA.sup.n- represents an anion having a valence ofn, x is a positive number represented by 0
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