Oblon, Spivak, McClelland, Maier & Neustadt
Liquid-crystalline mixture containing an azulenesquaric acid dye
 A liquid-crystalline mixture contains a liquid crystal composition and an azulenesquaric acid dye of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each have defined meanings, and is used for fabricating liquid crystal displays. 
BASF Aktiengesellschaft
C C
C09B C09K
inventional inventional
Karin H. Karl-Heinz Peter Wolfgang
Beck Etzbach Neumann Schrott