Coloured transparent lithium aluminium silicate glass-ceramic and use thereof

US12227444B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Evelin Weiss · Mainz, DE
• Martin Spier · Horrweiler, DE
• Matthias Bockmeyer · Mainz, DE
• Thomas Zenker · Nieder-Olm, DE
• Klaus Schönberger · Mainz, DE
• Johannes Stinner · Mainz, DE
• Oliver Hochrein · Mainz, DE
• Uwe Martens · Duisburg, DE
• Michael Bug · Floh-Seligenthal, DE

Key dates

• Filing date: Aug 21, 2018
• Grant date: Feb 18, 2025
• Expiry date: Oct 18, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03C2204/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A description is given of a coloured, transparent, lithium aluminium silicate glass-ceramic and also of the use thereof, said glass-ceramic possessing a light transmission Y of 2.5% to 10% and a spectral transmission τ(at 465 nm) of more than 1.0%.