发明授权
- 专利标题： Dentifrices
- 专利标题（中）： 牙粉
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申请号： US675098申请日： 1976-04-09
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公开(公告)号： US4060599A公开(公告)日： 1977-11-29
- 发明人: Martin Cordon
- 申请人： Martin Cordon
- 申请人地址： NY New York
- 专利权人： Colgate-Palmolive Company
- 当前专利权人： Colgate-Palmolive Company
- 当前专利权人地址： NY New York
- 主分类号： A61K8/26
- IPC分类号： A61K8/26 ; A61Q11/00 ; A61K7/16 ; A61K7/26
摘要：
Dentifrices containing ground crystals of alpha-alumina having a mean ultimate particle size of about 1 to 2 microns. Typically, the size is that essentially 100% are below 10 microns; about 95% are below 5 microns; about 85% are below 3 microns; about 75% are below 2 microns; about 25% are below 1 micron; and about 5% are below 0.5 microns.
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