Transparent, dyed cook top or hob with improved colored display capability and a method for the manufacturing of such a cook top or hob
US10562807B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2015 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | May 14, 2035 |
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.