Patents by Inventor Clemens Grund
Clemens Grund 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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Publication number: 20080022894Abstract: Dye mixtures comprising one or more dyes of the herein below indicated and defined formula (I), and at least one of the herein below indicated and defined general dye of: formula (II), or one or more dyes of formula (III) or one or more dyes of formula (IV), or one or more dyes of formula (V), or one or more dyes of formula (VI), wherein R1 to R21, P, Q, X, Y and Z are as defined in claim 1 , method for the preparation of the dye mixture and a process for colouring a synthetic textile material or fibre blend thereof.Type: ApplicationFiled: October 5, 2005Publication date: January 31, 2008Applicant: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Clemens Grund, David Brierley, Alan T. Leaver
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Patent number: 6086637Abstract: Indoleninemethine dyes of the formula ##STR1## where the ring A is substituted or unsubstituted, R.sup.1 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.4 -alkenyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl, andR.sup.2 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, C.sub.3 -C.sub.4 -alkenyl, substituted or unsubstituted phenyl or substituted or unsubstituted amino,are useful for dyeing or printing synthetic materials and can be thermally transferred.Type: GrantFiled: May 19, 1999Date of Patent: July 11, 2000Assignee: BASF AktiengesellschaftInventors: Clemens Grund, Helmut Reichelt, Andreas Johann Schmidt, Frank Wurthner, Rudiger Sens, Stefan Beckmann
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Patent number: 5929245Abstract: The invention concerns naphtholactam derivatives of formula (I), in which: R.sup.1 represents hydrogen, optionally substituted C.sub.1 -C.sub.6 alkyl C.sub.5 -C.sub.6 cycloalkcyl or substituted phenyl; R.sup.2 and R.sup.3 represent hydrogen, C.sub.1 -C.sub.8 alkanoyl, optionally substituted benzoyl, optionally substituted C.sub.2 -C.sub.4 alkyl, optionally substituted C.sub.2 -C.sub.4 alkenyl, optionally substituted C.sub.2 -C.sub.4 alkinyl, a halogen, nitro, sulphamoyl, optionally substituted hydroxy, optionally substituted mercapto, C.sub.1 -C.sub.6 alkysulphonyl or optionally substituted phenylsulphonyl; R.sup.4 represents hydrogen or, with R.sup.3, a group of formula (II); R.sup.5 represents hydrogen or C.sub.1 -C.sub.6 alkyl; R.sup.6 represents cyano, carbamoyl, C.sub.1 -C.sub.4 mono- or dialkylcarbamoyl carboxyl or C.sub.1 -C.sub.4 alkoxycarbonyl; and R.sup.7 represents substituted C.sub.1 -C.sub.4 alkyl, optionally substituted C.sub.5 -C.sub.13 alkyl or benzoyl.Type: GrantFiled: February 18, 1997Date of Patent: July 27, 1999Assignee: BASF AktiengesellschaftInventors: Clemens Grund, Ernst Schefczik, Gunther Lamm, Roland Merger, Rudiger Sens
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Patent number: 5892046Abstract: The present invention relates to trifluoromethylpyridone-based methine and azamethine dyes of the formula I ##STR1## a process for their thermal transfer, a process for dyeing or printing synthetic materials and their use.Type: GrantFiled: April 24, 1997Date of Patent: April 6, 1999Assignee: BASF AktiengesellschaftInventors: Clemens Grund, Helmut Reichelt, Andreas Johann Schmidt, Stefan Beckmann
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Patent number: 5763612Abstract: Benzopyran dyes of the formula ##STR1## where n is 1 or 2,Xhu 1 is oxygen or imino,X.sup.2 is cyano or carbamoyl,R.sup.1 and R.sup.2 are independently of each other C.sub.1 -C.sub.13 -alkyl subject to the proviso that the sum total of the carbon atoms present in R.sup.1 and R.sup.2 shall be at least 10, andR.sup.3 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, cyano, nitro, carbamoyl, mono- or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl, sulfamoyl or mono- or di(C.sub.1 -C.sub.4 -alkyl)sulfamoyl,are obtainable from novel iminocoumarin intermediates and useful for dyeing or printing synthetic materials.Type: GrantFiled: June 5, 1997Date of Patent: June 9, 1998Assignee: BASF AktiengesellschaftInventors: Helmut Reichelt, Clemens Grund, Gerhard Wagenblast
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Patent number: 5756807Abstract: A process for preparing alkyl cyanoacetates of the general formula I ##STR1## where R is an n-valent aliphatic radical which has 6 to 20 carbon atoms and whose carbon framework can be interrupted by one to three oxygen atoms in ether functionality, and n is a number from 1 to 6, by reacting cyanoacetic acid in aqueous medium with an alcohol R(OH).sub.n, where the esterification is carried out in the presence of an inert entrainer and, during the reaction, water and entrainer are distilled out.Type: GrantFiled: October 21, 1996Date of Patent: May 26, 1998Assignee: BASF AktiengesellschaftInventors: Clemens Grund, Martin Holderbaum, Helmut Reichelt, Stefan Beckmann
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Patent number: 5739343Abstract: Nitro dyes of the formula ##STR1## where X.sup.1 and X.sup.2 are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or pyrrolidin-2-on-1-yl,X.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl, andX.sup.4 is a radical of the formula ##STR2## where R.sup.1 is hydrogen, substituted or unsubstitued C.sub.1 -C.sub.12 -alkyl, substituted or unsubstituted C.sub.3 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl,R.sup.2 and R.sup.3 are hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy,R.sup.4 is hydrogen, methyl, ethyl, methoxy or ethoxy, andR.sup.5 is hydrogen or C.sub.1 -C.sub.6 -alkyl,are useful for dyeing or printing textile materials.Type: GrantFiled: January 21, 1997Date of Patent: April 14, 1998Assignee: BASF AktiengesellschaftInventors: Gunther Lamm, Helmut Reichelt, Clemens Grund
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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: 5608041Abstract: Triazolopyridine azo dyestuffs 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,one of the two radicals R.sup.2 and R.sup.4 is cyano, carbamoyl, carboxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl and the other is a radical of the formula D--N.dbd.N--, where D is the radical of a diazo component from the aniline series,R.sup.3 is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl or phenyl, andR.sup.5 is hydroxyl, mercapto, unsubstituted or substituted amino or the radical of a CH-acidic compound,and their use for dyeing or printing textile materials are described.Type: GrantFiled: February 14, 1996Date of Patent: March 4, 1997Assignee: BASF AktiengesellschaftInventors: Ernst Schefczik, Volker Bach, Helmut Reichelt, Clemens Grund
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Patent number: 5573585Abstract: Crystalline molecular sieves useful as colorants contain one or more chromophores of the class of the mono- or polyazo dyes that are devoid of acidic groups.Type: GrantFiled: September 12, 1994Date of Patent: November 12, 1996Assignee: Wolfgang HoelderichInventors: Guenter Lauth, Wolfgang Hoelderich, Gerhard Wagenblast, Bernhard Albert, Gunther Lamm, Helmut Reichelt, Clemens Grund, Sabine Gruettner-Merten
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Patent number: 5554782Abstract: A process for the preparation of dicyanobenzenes of the formula ##STR1## in which x denotes hydroxy, C.sub.1 -C.sub.4 alkoxy, nitro, amino, mono- or di-(C.sub.1 -C.sub.4 alkyl)amino, phthalimido or a nitrogenous saturated 5-membered or 6-membered heterocyclic radical, which is attached to the phenyl ring via a nitrogen atomin which a xylene of the formula ##STR2## in which x has the meaning stated above,is oxidized at a temperature of from 400.degree. to 500.degree. C. with oxygen in the presence of ammonia and a catalyst.Type: GrantFiled: February 8, 1994Date of Patent: September 10, 1996Assignee: BASF AktiengesellschaftInventors: Clemens Grund, Guenther Glas, Paul Guenthert, Helmut Reichelt, Rainer Becker, Arno Lange, Klaus Friedrich
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Patent number: 5393308Abstract: There are described dye mixtures containinga) an azo dye of the formula I ##STR1## where Hal is chlorine or bromine, b) the azo dye of the formula II ##STR2## where L is allyl or optionally hydrogen, and c) an azo dye of the formula III and/or IV ##STR3## where R.sup.1 is nitro or substituted or unsubstituted C.sub.1 -C.sub.4 -alkylsulfonyl,R.sup.2 and R.sup.3 are each hydrogen, chlorine or bromine,R.sup.4 and R.sup.5 are each hydrogen or chlorine,R.sup.6 and R.sup.7 are each hydrogen, phenyl or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl,X.sup.1 is hydrogen, hydroxyl, methoxy, acetylamino or nitro,X.sup.2, X.sup.3, X.sup.4 and X.sup.5 are each hydrogen, methyl or methoxy, andX.sup.6 is hydroxyl, 2-hydroxyethoxy, formyl or methoxycarbonylamino,dye preparations containing the novel dye mixtures, and the use of the novel dye mixtures for dyeing or printing polyesters in textile form.Type: GrantFiled: September 24, 1993Date of Patent: February 28, 1995Assignee: BASF AktiengesellschaftInventors: Arno Lange, Volker Bach, Clemens Grund, Helmut Reichelt, Paul Richter
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Patent number: 5347032Abstract: A process for the preparation of C.sub.4 -C.sub.10 alkyl cyanoacetates by the reaction of cyanoacetic acid with C.sub.4 -C.sub.10 alkanols at a temperature of from 35.degree. to 150.degree. C. and under a pressure of from 70 to 1013 mbar, in the presence of catalytic amounts of acid, while a C.sub.4 -C.sub.10 alkanol/water azeotrope is separated during the reaction.Type: GrantFiled: August 2, 1993Date of Patent: September 13, 1994Assignee: BASF AktiengesellschaftInventors: Helmut Reichelt, Clemens Grund
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Patent number: 5342928Abstract: Azo dyes useful for dyeing or printing textile fibers or fabrics and containing novel aminobenzo heterocycles as diazo component have the formula ##STR1## where X is nitrogen or a radical of the formula CR.sup.6, where R.sup.6 is hydrogen, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.6 -alkanoyl,R.sup.1 and R.sup.2 are substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl or substituted or unsubstituted C.sub.3 -C.sub.4 -alkenyl or additionally in the case of R.sup.1 hydrogen,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkoxy,R.sup.4 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy, substituted or unsubstituted C.sub.1 -C.sub.8 -alkanoylamino, C.sub.1 -C.sub.4 -alkylsulfonylamino, C.sub.3 -C.sub.4 -alkenoylamino or substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxycarbonylamino, andR.sup.5 is hydrogen, nitro, halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio or cyano.Type: GrantFiled: April 30, 1993Date of Patent: August 30, 1994Assignee: BASF AktiengesellschaftInventors: Thomas Roetsch, Helmut Hagen, Helmut Reichelt, Clemens Grund
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Patent number: 5330543Abstract: Azo dyes having the formula ##STR1## wherein the substituents are as defined in the specification and are useful for dyeing or printing textile materials.Type: GrantFiled: October 27, 1993Date of Patent: July 19, 1994Assignee: BASF AktiengesellschaftInventors: Guenter Hansen, Gunther Lamm, Hermann Loeffler, Helmut Reichelt, Helmut Degen, Arno Lange, Clemens Grund
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Patent number: 5306815Abstract: Azo dyes useful for dyeing or printing textile fibers or fabrics and for thermal transfer have the formula ##STR1## where R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl or substituted or unsubstituted C.sub.3 -C.sub.4 -alkenyl or R.sup.1 may also be hydrogen,R.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl,R.sup.4 and R.sup.5 are each hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy, amino or mono- or di(C.sub.1 -C.sub.4 -alkyl)amino, andD is a radical of the thiophene, thiazole, isothiazole, benzothiophene, thienothiophene or thienothiazole series.Type: GrantFiled: September 21, 1992Date of Patent: April 26, 1994Assignee: BASF AktiengesellschaftInventors: Erwin Hahn, Clemens Grund, Andreas Geisberger, Helmut Reichelt, Andreas Guldner, Mathias Wiesenfeldt, Karl-Heinz Etzbach, Ruediger Sens, Helmut Hagen
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Patent number: 5264560Abstract: Quaternized azo dyes whose diazo components are derived from a five-membered nitrogen-containing aromatic aminoheterocycle and whose coupling components are derived from the aniline series are prepared by reacting to corresponding neutral dye-bases with an alkylating agent in .gamma.-butyrolactone as inert diluent.Type: GrantFiled: July 17, 1992Date of Patent: November 23, 1993Assignee: BASF AktiengesellschaftInventors: Guenter Hansen, Johannes P. Dix, Helmut Reichelt, Clemens Grund