Ceramic media

US6703337B2 · kind B2 · utility

Assignee

• Saint-Gobain · FR

Inventors

• John S. Reid · Wooster, US
• Thomas Szymanski · Hudson, US
• Anne B. Hardy · Acton, US
• James A. Salvatore · Sutton, US
• Michael Mangaudis · Worcester, US

Key dates

• Filing date: May 15, 2002
• Grant date: Mar 9, 2004
• Expiry date: May 15, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B33/24
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Ceramic media made using ceramic components comprising from 5 to 60% by weight of spodumene and 95 to 40 wt % of other ceramic-forming components comprising clay and feldspar have a reduced tendency to shrink upon firing to form the media and improved physical properties.