Core Shell Silica Particles and Uses Thereof As an Anti-Bacterial Agent
AssigneeColgate-Palmolive Company
InventorsGuisheng PAN, Suman CHOPRA
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Abstract
This invention provides core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core etched with group I metal silicate. These core shell silica particles have high surface charge density and anti-bacterial activity. Also provided are compositions comprising core shell silica particles, process of making the core shell silica particles and methods of reducing or inhibiting bacterial activity by administering the core shell silica particles or compositions thereof.
Claims14
1-56. (canceled)
An oral care composition comprising core shell silica particles and an orally acceptable carrier, wherein each core shell silica particle comprises a silica core, and a group I metal silicate formed on top of the silica core.
Dependencies are inferred from the claim text.