Patent · US Active

Bonded abrasive articles

US11691247B2 · kind B2 · utility

0Cited by

46References

19Claims

0Family size

Assignees

SAINT-GOBAIN ABRASIVES, INC. · US
SAINT-GOBAIN ABRASIFS · FR

Inventors

Nilanjan Sarangi · Shrewsbury, US
Guangyong Lin · Shrewsbury, US
Sandhya Jayaraman Rukmani · Exton, US
Stephen E. Fox · Worcester, US
Daming Zhang · Singapore, SG

Key dates

Filing date	Dec 28, 2018
Grant date	Jul 4, 2023
Priority date	—
Expiry date	Sep 8, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/96
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An abrasive article includes a body having a bond material extending throughout the body and abrasive particles contained in the bond material. The bond material can include aluminum oxide (Al2O3) and lithium oxide (Li2O). In an embodiment, the bond material can include a ratio (Al2O3/Li2O) of a content of aluminum oxide (Al2O3) relative to a content of lithium oxide (Li2O), based on weight percent, of greater than 11.5 and at most 20. In another embodiment, the abrasive article can have a versatility factor of greater than 1.90.

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