REVERSIBEL THERMOCHROME ZUSAMMENSETZUNG

A reversible thermochromic system comprising a) a compound of the formula (IA) or a tautomer thereof or a compound of the formula (IB) or a tautomer thereof (IA) (IB) wherein R1 is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl subs...

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Bibliographic Details
Main Authors BENZ, ROLF, FISCHER, WALTER, BRUNNER, MARTIN, BASBAS, ABDEL-ILAH
Format Patent
LanguageGerman
Published 15.08.2011
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Summary:A reversible thermochromic system comprising a) a compound of the formula (IA) or a tautomer thereof or a compound of the formula (IB) or a tautomer thereof (IA) (IB) wherein R1 is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; R2 is hydrogen or a group -SO2-R; R3 and R4 independently of one another are hydrogen, C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and R is C1-C18alkyl, C2-C18alkenyl, C3-C12cycloalkyl, C3-C12cycloalkyl substituted by 1, 2 or 3 C1-C4alkyl; phenyl, phenyl substituted by 1, 2 or 3 C1-C4alkyl; or C7-C12phenylalkyl; and b) a compound containing a group of the formula (III).
Bibliography:Application Number: AT20070730264T