Coated silicon carbide abrasive grain

US5009675A · kind A · utility

Assignee

• LONZA LTD · CH

Inventors

• Reiner Kunz · Waldshut-Tiengen, DE
• Rainer Dietrich · Johannesburg, ZA

Key dates

• Filing date: Jun 8, 1989
• Grant date: Apr 23, 1991
• Expiry date: Jun 8, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/549
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An abrasive grain on the basis of silicon carbide with a binder-free coating of highly dispersed silicon, aluminum or titanium oxide for preferred use in resin-bonded or ceramic-bonded abrasive wheels.