Patent · US Active

Transparent, dyed cooktop having improved color display capability, and method for producing such a cooktop

US9061937B2 · kind B2 · utility

9Cited by

4References

21Claims

0Family size

Assignee

Schott AG · DE

Inventors

Friedrich Siebers · Nierstein, DE
Ulrich Schiffner · Mainz, DE
Wolfgang Schmidbauer · Mainz, DE
Klaus Schönberger · Mainz, DE

Key dates

Filing date	Sep 16, 2009
Grant date	Jun 23, 2015
Priority date	—
Expiry date	Nov 28, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH05B3/74
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Transparent, dyed cook top or hob with improved color display capability, consisting of a glass ceramic with high quartz mixed crystals as predominant crystal phase, whereby the glass-ceramic contains none of the chemical refining agents arsenic oxide and/or antimony, with transmission values of greater than 0.1% in the range of the visible light within the entire wavelength range greater than 450 nm, a light transmission in the visible of 0.8-2.5% and a transmission in the infrared at 1600 nm of 45-85%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.