C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 11/06 (2006.01) C09K 9/00 (2006.01)
Patent
CA 2233262
This application concerns the use of a component capable of capturing at least one idle state of an energy band, corresponding to an electronic hole, in a photochromic compound, in order to improve the photochromism of the said compound. This component may be chosen from among those consisting of at least one, and preferably several, hydroxyl groups.
La présente demande concerne l'utilisation d'un composant susceptible d'accaparer au moins un état vacant d'une bande d'énergie, correspondant à une lacune électronique, d'un composé photochrome, pour améliorer le photochromisme dudit composé. Ce composant peut notamment être choisi parmi les composants comportant au moins un groupement hydroxyle, de préférence plusieurs groupements hydroxyles.
L'oreal
Robic
LandOfFree
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