SI C powder, a process for its production and its use

US5039632A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ralf Riedel · Echterdingen, DE
• Gerd Passing · Wermelskirchen, DE
• Gunter Petzow · Echterdingen, DE
• Wolfgang Krumbe · Leichlingen, DE
• Gerhard Franz · Marl, DE

Key dates

• Filing date: Oct 4, 1989
• Grant date: Aug 13, 1991
• Expiry date: Oct 4, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B35/575
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to an SiC powder suitable for the production of SiC sintered ceramics with compounds applied to its surface, these compounds being boron nitride and carbon; processes for production of the SiC powders; and the use of these powders to produce SiC sintered mouldings.