Patents by Inventor Karl-Heinz Etzbach
Karl-Heinz Etzbach has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5736068Abstract: Novel triphenylene compounds which contain, bonded to the triphenylene framework, at least three ethylenically unsaturated groups or groups carrying oxiranyl or thiiranyl groups, and a process for the preparation of discotic liquid crystalline crosslinked polymers.Type: GrantFiled: May 22, 1996Date of Patent: April 7, 1998Assignee: BASF AktiengesellschaftInventors: Lukas Haeussling, Dirk Funhoff, Karl Siemensmeyer, Karl-Heinz Etzbach, Friedrich Closs, Helmut Ringsdorf, Peter Schuhmacher
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Patent number: 5719288Abstract: Pyridone dyes of the formula ##STR1## where X is nitrogen or C--CN,R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or substituted or unsubstituted phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical,R.sup.3 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.4 -C.sub.7 -cylcoalkyl, benzyl, substituted or unsubstituted phenyl, substituted or unsubstituted furanyl or substituted or unsubstituted thienyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl,R.sup.5 is cyano, carbamoyl, mono- or di(C.sub.1 -C.sub.8 -alkyl)carbamoyl, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or benzimidazolyl, andR.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl,are useful for dyeing or printing textile materials.Type: GrantFiled: June 14, 1996Date of Patent: February 17, 1998Assignee: BASF AktiengesellschaftInventors: Ruediger Sens, Karl-Heinz Etzbach, Volker Bach
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Patent number: 5714616Abstract: Methine dyes of the formula I ##STR1## where R is hydrogen, unsubstituted or substituted C.sub.1 -C.sub.10 -alkyl or unsubstituted or substituted phenyl,X is nitrogen or a radical of the formula CQ.sup.1, CH.dbd.CQ.sup.1 --CH, CH.dbd.CH--CH.dbd.CH--CH, ##STR2## where Q.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine or bromine and Q.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, andY is a radical of the aniline, aminonaphthalene, indole, aminoquinoline, aminothiazole or aminothiophene series,the use thereof in nonlinear optics, and novel thiazole derivatives.Type: GrantFiled: October 24, 1996Date of Patent: February 3, 1998Assignee: BASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, Rudiger Sens
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Patent number: 5696243Abstract: Diphenylamines of the formula ##STR1## where the ring A can be benzo-fused, andD is aryl or a five-membered aromatic heterocyclyl which contains one to three hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur, in the heterocyclic ring and can be fused to a benzene, thiophene, pyridine or pyrimidine ring,X is N.dbd.N or, if D is aryl, is alternatively CH.dbd.CH, or D--X together is 1,2,2-tricyanovinyl,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or halogen,R.sup.5 is prop-1-en-3-yl, acryloyl or methacryloyl,R.sup.6 and R.sup.7 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, prop-1-en-3-yl, acryloyl, methacryloyl or oxiranylmethoxy, andY is C.sub.1 -C.sub.20 -alkylene,polymers derived from the compounds, and their use in non-linear optics.Type: GrantFiled: April 19, 1996Date of Patent: December 9, 1997Assignee: GASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, Ruediger Sens
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Patent number: 5695686Abstract: Brightener mixtures containing from 75% by weight to 100% by weight, based on the weight of the mixture, of the bisstyryl compounds of the formulae I and II ##STR1## in a weight ratio from 10:90 to 70:30, formulations containing the novel mixtures, and also their use for optically brightening synthetic, semisynthetic or natural polymer materials.Type: GrantFiled: March 13, 1996Date of Patent: December 9, 1997Assignee: BASF AktiengesellschaftInventors: Manfred Hauptreif, Norbert Leppert, Karl-Heinz Etzbach, Helmut Reichelt, Peter Raatz, Manfred Herrmann
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Patent number: 5683833Abstract: Disclosed the use of organic materials having a specific conductivity of less than 10.sup.-2 S/cm and a nonionic charge carrier mobility greater than 10.sup.-4 cm.sup.2 /Vs as charge transport medium, with the proviso that an increase in the charge carrier concentration by a factor of 10 or more is not caused in this organic material by light absorption, and corresponding electrochemical cells.Type: GrantFiled: December 15, 1995Date of Patent: November 4, 1997Assignee: BASF AktiengesellschaftInventors: Lukas Haussling, Karl-Heinz Etzbach, Karl Siemensmeyer, Wolfgang Paulus, Dieter Meissner, Christina Antonius, Karsten Engel, Dietrich Haarer, Sundeep Kumar, Peter Schuhmacher
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Patent number: 5654122Abstract: Pyridone dyes useful for thermal transfer have the formula ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 - alkyl,R.sup.2 and R.sup.3 are identical or different and each is, independently of the other, hydrogen, substituted or unsubstituted C.sub.1 -C.sub.12 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, substituted or unsubstituted phenyl, substituted or unsubstituted pyridyl, substituted or unsubstituted C.sub.1 -C.sub.12 -alkanoyl, C.sub.1 -C.sub.12 -alkoxycarbonyl, substituted or unsubstituted C.sub.1 -C.sub.12 -alkylsulfonyl, C.sub.5 -C.sub.7 -cycloalkylsulfonyl, substituted or unsubstituted phenylsulfonyl, substituted or unsubstituted pyridylsulfonyl, substituted or unsubstituted benzoyl, pyridylcarbonyl or thienylcarbonyl or are together with the nitrogen atom to which they are bonded unsubstituted or C.sub.1 -C.sub.4 - alkyl-substituted succinimido, unsubstituted or C.sub.1 -C.sub.Type: GrantFiled: June 6, 1995Date of Patent: August 5, 1997Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Ernst Schefczik, Ruediger Sens, Matthias Wiesenfeldt
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Patent number: 5623075Abstract: Thiazolemethine dyes of the formula ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.8 -alkyl with or without substitution, C.sub.3 -C.sub.4 -alkenyl, C.sub.5 -C.sub.7 -cycloalkyl, phenyl or tolyl, or are together with the nitrogen atom joining them together a heterocyclic radical,R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted benzyl, cyclohexyl, thienyl, hydroxyl or C.sub.1 -C.sub.8 -monoalkylamino, andQ is the radical of an acidic-CH compound,are useful in nonlinear optics.Type: GrantFiled: June 28, 1995Date of Patent: April 22, 1997Assignee: BASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, R udiger Sens
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Patent number: 5620756Abstract: The process according to the invention is a process for the production of aligned, ferroelectrically or ferrielectrically or antiferroelectrically ordered materials which solidify in a glass-like manner. In these layer structures with polar order, the molecular dipole moments are uncompensated, partially compensated or fully compensated, so that a dipole moment corresponding to the degree of compensation, acts externally.Type: GrantFiled: July 6, 1995Date of Patent: April 15, 1997Assignee: BASF AktiengesellschaftInventors: Volker Bach, Karl-Heinz Etzbach, Karl Siemensmeyer, Gerhard Wagenblast
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Patent number: 5616710Abstract: Triazolopyridine dyes of the formula ##STR1## where one of the two radicals A and E is nitrogen and the other is a radical of the formula C-R.sup.1, where R.sup.1 is unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted mercapto,Q is a radical of the formula ##STR2## where R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or unsubstituted or substituted phenyl,R.sup.4 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or benzothiazolyl or R.sup.3 and R.sup.4 together are the remainder of a fused-on benzene ring andX is CH or nitrogen, andR.sup.5 is oxygen or a radical of a compound with an acidic CH, and a process for the thermal transfer of these dyes.Type: GrantFiled: August 19, 1996Date of Patent: April 1, 1997Assignee: BASF AktiengesellschaftInventors: Rudiger Sens, Ernst Schefczik, Helmut Reichelt, Karl-Heinz Etzbach
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Patent number: 5616678Abstract: Azo dyestuff- and urethane-containing polyadducts comprising(a) at least one organic polyisocyanate,(b) at least one diol of a heterocyclic azo dyestuff,and if desired(c) one or more compounds having at least two groups reactive to NCO, which have an average molecular weight M.sub.n of up to 500 g/mol, and/or(d) one or more polyhydroxy compounds having average molecular weights M.sub.n of from over 500 up to 5000 g/mol.These polyadducts are suitable for applications in nonlinear optics.Type: GrantFiled: October 19, 1994Date of Patent: April 1, 1997Assignee: BASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, R udiger Sens, Karl H aberle
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Patent number: 5612465Abstract: Azo dyestuffs of the formula ##STR1## where R.sup.1 is unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, unsubstituted or substituted phenyl, or unsubstituted or substituted mercapto,R.sup.2 is hydroxyl or mercapto andD is the radical of a diazo component which is selected from the group consisting of the radicals of the formulae ##STR2## where L.sup.1 is C.sub.1 -C.sub.4 -alkyl, unsubstituted or substituted C.sub.1 -C.sub.4 -alkoxy or unsubstituted or substituted amino, one of the two radicals L.sup.2 and L.sup.3 is hydrogen and the other is C.sub.1 -C.sub.4 -alkyl, unsubstituted or substituted C.sub.1 -C.sub.4 -alkoxy or unsubstituted or substituted amino, L.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl, L.sup.5 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio and L.sup.6 is unsubstituted or substituted C.sub.8 -C.sub.13 -alkyl or phenoxy,their use for dyeing or printing textile materials and novel mercaptotriazolopyridines are described.Type: GrantFiled: February 12, 1996Date of Patent: March 18, 1997Assignee: BASF AktiengesellschaftInventors: Ernst Schefczik, Ruediger Sens, Karl-Heinz Etzbach, Helmut Reichelt, Clemens Grund
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Patent number: 5580980Abstract: Pyridone dyes useful for thermal transfer have the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, Y, X and Z are defined in the specification.Type: GrantFiled: November 1, 1993Date of Patent: December 3, 1996Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Ernst Schefczik, Ruediger Sens, Matthias Wiesenfeldt
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Patent number: 5549853Abstract: Azo dyes of the formulaW(--X--Y--Chr).sub.n,wheren is 2 to 6,y is C.sub.1 -C.sub.6 -alkylene,Chr is the radical of a mono- or polyazo dye,X is a radical of the formula CO--O or O--CO andW is an n-valent radical which is derived from an unsubstituted or substituted C.sub.2 -C.sub.20 -alkane, an unsubstituted or substituted C.sub.4 -C.sub.7 -cycloalkane, an unsubstituted or substituted benzene or an unsubstituted or substituted naphthalene, or, if n is 4, is also silicon,and their use in nonlinear optics or for dyeing or printing textile materials are described.Type: GrantFiled: June 6, 1994Date of Patent: August 27, 1996Assignee: BASF AktiengesellschaftInventors: Stefan Beckmann, Karl-Heinz Etzbach, Karl Siemensmeyer, Ruediger Sens
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Patent number: 5545235Abstract: A process for transferring dyes from a transfer to plastic-coated paper by diffusion or sublimation with the aid of an energy source comprises using a transfer on which there is or are one or more pyridone dyes of the formula ##STR1## where X is nitrogen or CH,R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or substituted or unsubstituted phenyl, or R.sup.1 and R.sup.2 are together with the nitrogen atom joining them together a heterocyclic radical,R.sup.3 is C.sub.3 -C.sub.10 -alkyl or C.sub.5 -C.sub.7 -cycloalkyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl,R.sup.5 is cyano, substituted or unsubstituted carbamoyl, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or benzimidazolyl, andR.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl.Type: GrantFiled: April 19, 1995Date of Patent: August 13, 1996Assignee: BASF AktiengesellschaftInventors: Rudiger Sens, Karl-Heinz Etzbach
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Patent number: 5538824Abstract: In a novel process for the reversible or irreversible production of an image by the imagewise action of energy on a recording layer, resulting in a pattern of surface charges which corresponds to the imagewise action of the energy, on the surface of the recording layer, the recording layer used is one which contains or consists of an organic material which solidifies in glassy form, is nonphotoconductive or only slightly photoconductive and has permanent dipoles, whereinthe pattern of surface charges is produced, without or almost without formation of free charge carriers, by reversible imagewise orientation of some or all of the permanent dipoles present in the recording layer, with the aid of an electric field applied imagewise.Type: GrantFiled: May 24, 1994Date of Patent: July 23, 1996Assignee: BASF AktiengesellschaftInventors: Volker Bach, Karl-Heinz Etzbach, Harald Fuchs, Karl Siemensmeyer, Gerhard Wagenblast
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Patent number: 5518824Abstract: 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 production of displays.Type: GrantFiled: August 2, 1994Date of Patent: May 21, 1996Assignee: BASF AktiengesellschaftInventors: Dirk Funhoff, Karl Siemensmeyer, Lukas Haussling, Karl-Heinz Etzbach, Dietrich Haarer, Juergen Simmerer
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Patent number: 5489312Abstract: Process for transferring dyes from a transfer to a plastic-coated paper wherein on the transfer there is a cyan thermal transfer dye mixture comprising at least one anthraquinone dye whose absorption maximum is at a wavelength of from 600 to 750 nm and also at least one triazolopyridine, pyridone, 1-amidopyrid-2,6-dione, heterocyclic pyridone and/or halogenated quinolone dye.Type: GrantFiled: January 23, 1995Date of Patent: February 6, 1996Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Thomas Werner, Ruediger Sens
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Patent number: 5483005Abstract: A process for preparing (meth)acrylate polymers with lateral non-linear optical chromophores and molecular weights of from 5000 to 500,000, comprises reacting polymers of (meth)acryloyl isocyanate in solution with D-.omega.-hydroxyalkyl chromophores of the formula (I) ##STR1## where D is an electron donor,A is an electron acceptor,R.sup.1, R.sup.2, R.sup.3 and R.sup.4 can be identical or different and are each H, alkyl, cycloalkyl, alkoxy or R.sup.3 and R.sup.4 are each CN, NO.sub.2 or CHO or R.sup.1 and R.sup.2, or R.sup.3 and R.sup.4, together form a fused-on ring,X is CH and/or Nandm is an integer from 2 to 11.The products are suitable for optical components in communications technology.Type: GrantFiled: November 4, 1993Date of Patent: January 9, 1996Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Stefan Beckmann
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Patent number: RE35407Abstract: Azo dye polymers useful in nonlinear optics contain as characteristic monomer units radicals of the formulae I, II, III and IV ##STR1## where D is the radical of a heterocyclic diazo component,R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.6 -alkyl or substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, and R.sup.2 may also be C.sub.1 -C.sub.4 -alkanoylamino,R.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.4 -alkenyl,R.sup.4 is hydrogen, deuterium, methyl, trideuterated methyl or chlorine,R.sup.5 is hydrogen or deuterium,Y.sup.1 and Y.sup.2 are each substituted or unsubstituted C.sub.2 -C.sub.10 -alkylene,W is oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, andX is hydroxyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkoxy, phenoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino,and have an average molecular weight of from 1,000 to 100,000.Type: GrantFiled: April 6, 1994Date of Patent: December 17, 1996Assignee: BASF AktiengesellschaftInventors: Matthias Wiesenfeldt, Sabine Gruettner-Merten, Ruediger Sens, Karl-Heinz Etzbach, Heike Kilburg