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:
Feb. 11, 2014
Filed:
Jul. 25, 2011
Stephanie Le Bris, Chambery, FR;
Laurent Voisin, Sales, FR;
Jean-luc Perillon, Saint Paul Trois Chateaux, FR;
Stephanie Le Bris, Chambery, FR;
Laurent Voisin, Sales, FR;
Jean-Luc Perillon, Saint Paul Trois Chateaux, FR;
SEB S.A., Ecully, FR;
Abstract
This invention relates to a heating article () comprising a substrate () of which one of the surfaces () is equipped with a design (), in the form of a coating layer with at least one pattern (), which comprises a thermochromic pigment composition with at least one SC thermochromic pigment that is lipid-sensitive under heat. According to the invention, the thermochromic pigment composition includes at least one thermostable pigment and composite pigment grains (), which each include a core () including the semiconducting thermochromic pigment, and a solid, transparent and continuous envelope (), formed by a mineral or organomineral material. The thermochromic pigment composition shows a reversible change in color in a thermal color-change area with an amplitude of no more than 40° C. within the range of variation of said temperature Tof use.