Heat Treated Precipitated Silica
- 专利权人:
- 发明人:
- George Endel Deckner,Lawrence Edward Dolan
- 申请号:
- US15876285
- 公开号:
- US20180140518A1
- 申请日:
- 2018.01.22
- 申请国别(地区):
- US
- 年份:
- 2018
- 代理人:
- 摘要:
- Process for heat treating precipitated silica to improve stability. Oral care compositions comprising such heat treated precipitated silica abrasives and a stannous ion source.
- 来源网站:
- 中国工程科技知识中心