Particulate materials and methods of forming same

US9676982B2 · kind B2 · utility

Assignee

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

Inventors

• Tracy H. Panzarella · Norwood, US
• Doruk O. Yener · Wilmington, US
• Michael D. Kavanaugh · North Grafton, US
• Alan J. Brandes · Rutland, US

Key dates

• Filing date: Jun 2, 2015
• Grant date: Jun 13, 2017
• Expiry date: Jun 2, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/3217
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A particulate material having a body including a first phase having at least about 70 wt % alumina for a total weight of the first phase, and a second phase comprising phosphorus, wherein the body includes at least about 0.1 wt % of the second phase for the total weight of the body, and wherein the second phase has an average grain size of not greater than about 1 micron.