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Thermochromic Micro Particles And Thermochromic Ink Composition, Writing Apparatus And Smart Window Using The Same

Patent No. EP3109286 (titled "Thermochromic Micro Particles And Thermochromic Ink Composition, Writing Apparatus And Smart Window Using The Same") was filed by Dong A Pencil on Jun 16, 2016. The application was issued on Jul 24, 2019.

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SOCIETE BICApr 24, 2020PETERREINS SCHLEY

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EP3109286

DONG A PENCIL
Application Number
EP16174734A
Filing Date
Jun 16, 2016
Status
Revoked
Apr 2, 2022
Publication Date
Jul 24, 2019
External Links
Slate, EP3109286B1, Google Patents