Patent · US Active

Fused and coated silica grains

US9193631B2 · kind B2 · utility

2Cited by

18References

25Claims

0Family size

Assignee

SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN · FR

Inventors

Samuel Marlin · Cavaillon, FR
Sylvain Petigny · Velleron, FR

Key dates

Filing date	Mar 19, 2009
Grant date	Nov 24, 2015
Priority date	—
Expiry date	Nov 14, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/721
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A coated grain is provided with a fused base grain at least partially covered with a coating that includes silica. The base grain includes more than 40% of alumina as a percentage by weight based on the weight of the base grain.

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