Hydrous silica gel containing dentifrice,申请号US19770852758-传众专利搜索

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发明名称	Hydrous silica gel containing dentifrice
摘要	This invention relates to polishing agents for use in dentifrice formulations. More particularly, this invention relates to the use of silica gels having a water content of 15 to 35 percent as polishing agents in dentifrice formulations.
申请公布号	US4153680(A)	申请公布日期	1979.05.08
申请号	US19770852758	申请日期	1977.11.18
申请人	W. R. GRACE & CO.	发明人	SEYBERT, EARL K.
分类号	A61K8/00;A61K8/25;A61Q11/00;(IPC1-7):A61K7/16	主分类号	A61K8/00
代理机构		代理人
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