Aerogels, calcined and crystalline articles and methods of making the same

US9657152B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Brant U. Kolb · Afton, US
• Bryan C. Feisel · Hudson, US
• Martin Goetzinger · Unterschleißheim, DE
• Philip S. Hall · Savage, US
• Holger Hauptmann · Sindelsdorf, DE
• Mark J. Hendrickson · Minneapolis, US
• Kathleen M. Humpal · Stillwater, US
• John W. Longabach · Woodbury, US
• James P. Mathers · Woodbury, US
• Roberta R. Naujok · Hudson, US
• Paul D. Pennington · Farmington, US
• Gallus Schechner · Herrsching am Ammersee, DE

Key dates

• Filing date: Aug 3, 2012
• Grant date: May 23, 2017
• Expiry date: Dec 5, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/54
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Aerogel, calcined articles, and crystalline articles comprising ZrO2. Exemplary uses of the crystalline metal oxide articles include dental articles (e.g., restoratives, replacements, inlays, onlays, veneers, full and partial crowns, bridges, implants, implant abutments, copings, anterior fillings, posterior fillings, and cavity liner, and bridge frameworks) and orthodontic appliances (e.g., brackets, buccal tubes, cleats, and buttons).