Patent · US Active

Temperature indicator for culinary article

US11549024B2 · kind B2 · utility

0Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2018
Grant dateJan 10, 2023
Priority date
Expiry dateSep 8, 2038

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/60
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a particle with a core-shell structure, the core of which comprises at least one thermochromic semiconductor and the shell comprises at least two layers—an inner layer in contact with the core and comprising a mineral material or an organo-mineral hybrid material; and—an outer layer comprising a mineral material or an organo-mineral hybrid material, different from that of the inner layer. The invention also relates to a method for producing this particle, and the use thereof as a temperature indicator, in particular in a culinary article, such as a pan.

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