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Dirk Funhoff, Karl Siemensmeyer, Lukas Haussling, Karl Heinz Etzbach, Dietrich Haarer, Juergen Simmerer: Electroluminescent arrangement. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt, May 21, 1996: US05518824 (55 worldwide citation)

In an electroluminescent arrangement containing one or more organic layers, at least one of the layers is obtained by thermal or radiation-induced crosslinking and at least one charge-transporting compound is present per layer. The novel arrangements are very suitable, for example, for the productio ...


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Karl Siemensmeyer, Karl Heinz Etzbach, Paul Delavier, Frank Meyer: Polymerizable liquid-crystalline compounds. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, November 10, 1998: US05833880 (54 worldwide citation)

Mixtures of liquid-crystalline compounds comprising at least two different substances of the formula I ##STR1## where Z.sup.1 and Z.sup.2, independently of one another, are polymerizable groups,


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Karl Heinz Etzbach, Paul Delavier, Karl Siemensmeyer, Gerhard Wagenblast, Lothar Laupichler, Volkmar Vill: Polymerizable, chiral compounds and their use. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, July 14, 1998: US05780629 (52 worldwide citation)

The invention relates to chiral compounds containing at least one divalent or polyvalent chiral group, at least one polymerizable group, at least one spacer and at least one mesogenic group, and to their use as polymerizable, chiral dopes for the preparation of cholesteric networks. The novel compou ...


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Erich Beck, Frank Meyer, Ulrich Poth, Karl Siemensmeyer, Claudia Sierakowski, Norbert Greif, Werner Ostertag, Michael Zirnstein, Reinhold Leyrer, Ekkehard Jahns, Karl Heinz Etzbach, Peter Schuhmacher: Process for coating and printing substrates. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, August 25, 1998: US05798147 (48 worldwide citation)

A process for coating or printing substrates with a coating or printing composition comprises applying a polymerizable material containing liquid-crystalline, polymerizable monomers which carry


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Karl Heinz Etzbach, Frank Meyer, Wolfgang Paulus, Hans Werner Schmidt: Electroluminescent arrangement. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, July 13, 1999: US05922481 (42 worldwide citation)

An electroluminescent arrangement contains one or more organic layers, at least one of which is obtained by thermal or radiation-induced crosslinking and contains at least one charge-transporting compound which can carry crosslinkable groups per layer, one of the layers being completely or partially ...


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Karl Heinz Etzbach, Karin H Beck, Gerhard Wagenblast: Malonic acid dyes and polycondensation products thereof. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt, November 10, 1992: US05162545 (40 worldwide citation)

Malonic acid dyes capable of forming polycondensation products have the formula ##STR1## where R.sup.1 and R.sup.2 are each independently of the other hydroxyl, C.sub.1 -C.sub.6 -alkoxy, chlorine or bromine,


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Rudiger Sens, Ernst Schefczik, Karl Heinz Etzbach, Gunther Lamm, Helmut Reichelt, Matthias Wiesenfeldt: Triazolopyridine dyes and thermal transfer of methine dyes. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt, January 7, 1992: US05079365 (26 worldwide citation)

Triazolopyridine dyes useful for thermal transfer of methine dyes have the formula ##STR1## where R.sup.1 is C.sub.1 -C.sub.20 -alkyl, which may be substituted and interrupted by one or more oxygen atoms, or is substituted or unsubstituted phenyl or hydroxyl,