Reversibly thermochromic compositions

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United States of America Patent

PATENT NO 9039946
APP PUB NO 20090302284A1
SERIAL NO

11921604

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Abstract

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The present invention pertains to a reversibly thermochromic system comprising a substituted or an unsubstituted 6,11-dihydroxy-naphthacene-5,12-dione and a base and to a reversibly thermochromic composition comprising the reversibly thermochromic system and a carrier material and to novel substituted 6,11-dihydroxy-naphthacene-5,12-diones.

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Patent Owner(s)

Patent OwnerAddress
BASF SE67056 LUDWIGSHAFEN AM RHEIN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Basbas, Abdel-Ilah Basel, CH 7 29
Destro, Mara Bologna, IT 24 77
Fischer, Walter Reinach, CH 96 727
Lazzari, Dario Bologna, IT 39 408
Rossi, Mirko San Lazzaro di Savena, IT 19 50
Vitali, Manuele Bologna, IT 26 114

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