Transitional alumina particulate materials having controlled morphology and processing for forming same

US8088355B2 · kind B2 · utility

Assignee

• SAINT-GOBAIN CERAMICS & PLASTICS, INC. · US

Inventors

• Ralph Bauer · Eßlingen, DE
• Doruk O. Yener · Wilmington, US
• Margaret L. Skowron · Niagara Falls, US
• Martin Barnes · Youngstown, US

Key dates

• Filing date: May 29, 2007
• Grant date: Jan 3, 2012
• Expiry date: Aug 15, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An alumina particulate material is disclosed, including particles comprising transitional alumina having an aspect ratio of not less than 3:1 and an average particle size of not less than about 75 nm. Also disclosed are fabrication techniques based on seeded processing pathways.