Patent · US Expired

Sol-gel alumina abrasive grain

US6258141A · kind A · utility

90Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2000
Grant dateJul 10, 2001
Priority date
Expiry dateJun 12, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K3/1436
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Coating a sol-gel alumina abrasive grit with a ceramic oxide reduces the surface area of the grit and allows the production of vitreous bonded products using low temperature vitreous bond materials without the production of black spots as a result of the incomplete combustion of organic components used in the production process.

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