Spherical stannous compatible silica particles for reduced RDA

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12215034
APP PUB NO 20210309529A1
SERIAL NO

17251334

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Abstract

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Silica particles having a d50 median particle size from 8 to 20 μm, a sphericity factor (S80) of at least 0.9, a BET surface area from 0.1 to 8 m2/g, a total mercury intrusion pore volume from 0.35 to 0.8 cc/g, and a loss on ignition from 3 to 7 wt. %, are disclosed, as well as methods for making these silica particles, and dentifrice compositions containing the silica particles.

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Patent Owner(s)

  • EVONIK OPERATIONS GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dolan, Lawrence Edward Cincinnati, US 22 73
Gallis, Karl W Perryville, US 23 271
Hagar, William J Perryville, US 11 90
Midha, Sanjeev Mason, US 72 1409
Nassivera, Terry W Gambrills, US 16 70
Schneiderman, Eva Mason, US 51 902

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