HAGAR, WILLIAM J.,NASSIVERA, TERRY W.,GALLIS, KARL W.
申请号：
CA3074101
公开号：
CA3074101A1
申请日:
2018.08.28
申请国别(地区):
CA
年份:
2019
代理人:
摘要：
Silica particles having ad50 median particle size of at least 6µm, aratio of (d90-d10)/d50 from 1.1 to 2.4, a RDA at 20 wt. % loading from 40 to 200, and a sphericity factor (S80) of at least 0.9,are disclosed, as well as methods for making these silica particles, and dentifrice compositions containing the silica particles.
