Patent · US Active

Oral care compositions comprising spherical fused silica

US8551457B2 · kind B2 · utility

3Cited by
51References
15Claims
0Family size

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Key dates

Filing dateMay 3, 2012
Grant dateOct 8, 2013
Priority date—
Expiry dateMay 3, 2032

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/28
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

An oral care composition comprising fused silica, wherein at least 95% of the fused silica particles are spherical.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.