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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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Klemens Mathauer, Arno Böhm, Walter Mächtle, Peter Rossmanith, Sabine Kielhorn Bayer, Klaus Müllen, Ulrike Rohr, Friedrich Wilhelm Raulfs, Ulrike Schlösser, Wolfgang Schrof, Harutyun Hanciogullari, Karl Siemensmeyer, Paul Delavier, Rüdiger Sens, Torsten Freund, Takahiro Ikeda, Takanori Wakebe: Method for producing aqueous polymer dispersions containing colorants. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, April 27, 2004: US06727318 (34 worldwide citation)

The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an ...


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Peter Schuhmacher, Norbert Schneider, Volker Richter, Harald Keller, Peter Blaschka, Günter Bettinger, Frank Meyer, Erich Beck, Karl Siemensmeyer, Helmut Steininger, Wolfgang Best: Coatings with a cholesteric effect and method for the production thereof. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, June 25, 2002: US06410130 (26 worldwide citation)

Improved cholesteric special-effect layers are obtainable by comminuting cholesteric layers. These cholesteric layers are produced by applying at least one layer of a reactive, pourable cholesteric mixture to a moving substrate, by casting, and forming a solid cholesteric layer.


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Manfred Herrmann, Gert Motzkus, Wolfgang Reich, Rüdiger Sens, Bernd Siegel, Karl Siemensmeyer: Pigment preparations with radiation curable binder suitable for ink jet printing method. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, September 25, 2001: US06294592 (25 worldwide citation)

The invention provides for pigment preparations containing, as main components, A) at least a finely divided organic or inorganic pigment, B) a dispersing agent composed of formaldehyde-arylsulfonic acid or oxalkylated phenols condensates, C) a radiation curable binder, D) optionally a photoinitiato ...


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Manfred Herrmann, Günther König, Rüdiger Sens, Bernd Siegel, Karl Siemensmeyer: Method of ink-jet printing with pigment preparations having a dispersant. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt P C, December 25, 2001: US06332943 (25 worldwide citation)

Pigment preparation for the ink-jet process which comprises A) at least one finely divided, organic or inorganic pigment, B) a dispersant based on arylsulfonic acid/formaldehyde condensation products or an alkoxylated phenols, and C) water, as essential constituents. It provides for prints of high l ...