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The patent EP3950618 was granted to Schott on Jan 10, 2024. The application was filed on Dec 18, 2018 under application number EP21198535A. The patent is currently recorded with a legal status of "Granted And Under Opposition".
A kitchen or laboratory equipment with a thermally stable glass or glass ceramic substrate and a lighting element, where the substrate has a coating that adjusts its light transmittance to a value of 0.1% to <12% while maintaining a color locus with L* from 20 to 40, a* from -6 to 6, and b* from -6 to 6. The coating can be made of spinels, cermets, carbides, or carbonitrides, and the substrate can be a glass or glass ceramic with a thickness of 2 to 8 mm. The equipment can include a separating element with a glass or glass ceramic substrate and a coating for adjusting the light transmittance, where the coating consists of one of the following material systems: spinels, cermets, carbides, or carbonitrides.

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