The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2023
Filed:
Jun. 22, 2021
Schott Ag, Mainz, DE;
Evelin Weiss, Mainz, DE;
Meike Schneider, Taunusstein, DE;
Oliver Hochrein, Mainz, DE;
Friedrich Siebers, Nierstein, DE;
Roland Dudek, Bad Kreuznach, DE;
Martin Mueller, Darmstadt, DE;
Matthias Bockmeyer, Mainz, DE;
Birgit Doerk, Mainz, DE;
SCHOTT AG, Mainz, DE;
Abstract
A transparent colored glass ceramic, in particular an LAS glass ceramic, suitable for use as a cooking surface is provided. The transparent colored glass ceramic includes high-quartz solid solution (HQ s.s.) as a main crystal phase and exhibits thermal expansion of −1 to +1 ppm/Kin the range from 20° C. to 700° C. The glass ceramic has from 3.0 to 3.6 percent by weight of lithium oxide (LiO) as constituents and either is colored with 0.003 to 0.05 percent by weight of vanadium oxide (VO) or is colored with 0.003 to 0.25 percent by weight of molybdenum oxide (MoO).