Two Azo Groups Attached Indirectly To Each Other By Nonionic Bonding Patents (Class 534/756)
-
Patent number: 8927070Abstract: A light absorption anisotropic film, having at least one dichroic dye, in which the light absorption anisotropic film shows a diffraction peak derived from a periodic structure in a direction in a plane of the light absorption anisotropic film in X-ray diffraction measurement and the diffraction peak has a half width of 1.0 ? or less.Type: GrantFiled: September 3, 2009Date of Patent: January 6, 2015Assignee: FUJIFILM CorporationInventors: Nobutaka Iwahashi, Masashi Ogiyama, Shinichi Morishima
-
Publication number: 20130333123Abstract: Described are dyes of formula (I) where R1 is hydrogen, alkyl, alkoxy, trifluoromethyl or halogen, M is hydrogen, an alkali metal cation or an optionally substituted ammonium cation, R2 and R3 are each independently hydrogen, alkyl or alkoxy, R4 is alkyl or alkoxy, R5 and R6 are each independently moieties of the formula —(CmH2m)—O—CnH2n+1, m is an integer from 3 to 6, and n is an integer from 0 to 8. These dyes are useful for dyeing and printing materials having polar groups.Type: ApplicationFiled: December 17, 2011Publication date: December 19, 2013Applicant: DyStar Colours Distribution GmbHInventors: Aloysius Engel, Michael Joerss, Clemens Grund, Bernd Hostasch, Gunter Görlitz
-
Publication number: 20120202927Abstract: A method of preparing a pigment includes the steps of: a) providing a mixture including: a pigment selected from the group of pigments including at least 50 wt % of C.I. Pigment Violet 23, C.I. Pigment Red 146, C.I. Pigment Red 176, C.I. Pigment Red 177, C.I. Pigment Violet 19 and C.I. Pigment Orange 13 based on the total weight of the pigment; alkyl nitrile; and at least one acid selected from the group consisting of sulfuric acid and chlorosulfuric acid, with the acid present in the mixture in amount of more than 2 wt % based on the total weight of the pigment; b) heating the mixture for more than 2 hours to a temperature of at least 70° C.; and c) filtering the mixture and washing the filtrand with a washing liquid containing water until the filtrate has a pH between 4 and 7. Pigments obtainable by the method and non aqueous pigment dispersions are also disclosed.Type: ApplicationFiled: October 15, 2010Publication date: August 9, 2012Applicant: AGFA-GEVAERT N.V.Inventor: Geert Deroover
-
Publication number: 20120171435Abstract: A dye of Formula (1) and salts thereof: A-N?N-(M-N?N)x-E??Formula (1) wherein: A is optionally substituted aryl carrying at least one substituent selected from the group consisting of —SO3H, —CO2H, and —PO3H2; M is optionally substituted arylene; E is optionally substituted heteroaryl; and x is 1 or 2. Also compositions, dye mixtures, printing processes, printed material and ink-jet cartridges.Type: ApplicationFiled: August 11, 2010Publication date: July 5, 2012Applicant: Fujifilm Imaging Colorants LimitedInventors: Clive Edwin Foster, Zyta Victoria Morgan
-
Patent number: 8143382Abstract: The invention provides a specific pyrazole disazo dye which is a yellow dye having excellent solubility in nonpolar solvents, in particular, hydrocarbon solvents, and having a high extinction coefficient. The dye preferably is preferably a pyrazole disazo dye represented by the following general formula (I): (wherein R1 represents a C2-C10 alkyl group; R2 represents a C3-C10 alkyl group; the six-membered ring A represents a phenyl group which may have a substituent; and the six-membered ring B represents a phenylene group which may have a substituent).Type: GrantFiled: November 11, 2008Date of Patent: March 27, 2012Assignee: Mitsubishi Chemical CorporationInventors: Yasushi Shiga, Mio Ishida
-
Publication number: 20110177315Abstract: A light absorption anisotropic film, having at least one dichroic dye, in which the light absorption anisotropic film shows a diffraction peak derived from a periodic structure in a direction in a plane of the light absorption anisotropic film in X-ray diffraction measurement and the diffraction peak has a half width of 1.0 ? or less.Type: ApplicationFiled: September 3, 2009Publication date: July 21, 2011Applicant: FUJIFILM CORPORATIONInventors: Nobutaka Iwahashi, Masashi Ogiyama, Shinichi Morishima
-
Publication number: 20100305247Abstract: A process for mass-colouring high molecular weight material, in which process a compound of formula (I) or a tautomer thereof, wherein M1 is H, ½ M2, ? M3 or NR4R5R6R7, preferably H, ½ M2 or NR4R5R6R7, especially H, M2 is an alkaline earth or transition metal in oxidation state II or an oxo-metal in oxidation state IV, M3 is Al (III), a transition metal in oxidation state III or an oxo-metal in oxidation state V, R1 is H or a non-ionic substituent, R2 is H or, independently of R1, a further non-ionic substituent, R3 is H, C1-C6alkyl, phenyl, CO—C1-C6alkyl or CO-phenyl, preferably H or CO—C1-C6alkyl, especially H, and R4, R5, R6 and R7 are each independently of the others H or phenyl, benzyl or C1-C6alkyl, which are unsubstituted or may be substituted by hydroxy or by halogen and in the case of C3-C6alkyl is uninterrupted or interrupted by O, is incorporated into the high molecular weight material before or during shaping.Type: ApplicationFiled: October 15, 2007Publication date: December 2, 2010Inventors: Thomas Ruch, Ursula Luterbacher
-
Publication number: 20100292450Abstract: The invention provides a specific pyrazole disazo dye which is a yellow dye having excellent solubility in nonpolar solvents, in particular, hydrocarbon solvents, and having a high extinction coefficient. The dye preferably is preferably a pyrazole disazo dye represented by the following general formula (I): (wherein R1 represents a C2-C10 alkyl group; R2 represents a C3-C10 alkyl group; the six-membered ring A represents a phenyl group which may have a substituent; and the six-membered ring B represents a phenylene group which may have a substituent).Type: ApplicationFiled: November 11, 2008Publication date: November 18, 2010Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Yasushi Shiga, Mio Ishida
-
Publication number: 20100162495Abstract: The present invention relates to specific pentamethine cyanine azo complex dye compounds and their use as dyes in optical layers for optical data recording, preferably for optical data recording using a laser with a wavelength from 630 to 670 nm. The invention further relates to an optical layer comprising said dyes and to a write only read many (WORM) type optical recording medium capable of recording and reproducing information with radiation of a red laser, which employs said pentamethine cyanine azo complex type dye in the optical layer.Type: ApplicationFiled: May 7, 2008Publication date: July 1, 2010Inventors: Cédric Klein, Jean-Christophe Graciet, Martin Alexander Winter
-
Publication number: 20090297795Abstract: A compound of Formula (1) and salts thereof: wherein: A and B are each independently selected from the group consisting of —SO3H, —CO2H, —PO3H2, —NHCOR4, alkoxy; R1 and R2 are each independently H or optionally substituted C1-4alkyl; R3 and R4 are each independently optionally substituted C1-4alkyl; m is 1 or 2; and n is 1 to 3. Also compositions, inks, printed material, ink-jet printing processes and ink-jet cartridges.Type: ApplicationFiled: June 30, 2009Publication date: December 3, 2009Inventors: Clive Edwin Foster, Gavin Wright, Neil James Thompson, Rachel Anne James
-
Patent number: 7341607Abstract: The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.Type: GrantFiled: May 27, 2003Date of Patent: March 11, 2008Assignee: Ciba Specialty Chemicals Corp.Inventors: Michael Lennartz, Adolf Käser, Sandra Weiss
-
Patent number: 6964701Abstract: A process for coloration of a substrate comprising applying thereto means of an ink jet printer a composition comprising a medium and a compound of Formula (1): wherein: A is optionally substituted aryl; B is optionally substituted arylene; and R1 and R2 are each independently H or optionally substituted alkyl. Also claimed are novel compounds, compositions and ink-jet cartridges for use an ink-jet printer and substrate printed with an ink-jet printer.Type: GrantFiled: March 7, 2002Date of Patent: November 15, 2005Assignee: Avecia LimitedInventors: Clive Edwin Foster, Helen Ava O'Shaughnessy, Peter Gregory
-
Patent number: 6923855Abstract: An ink, which contains at least one dye of formula (1): A—N?N—BX1n1B?—N?N—A???Formula (1) wherein A and A? each independently represent an aryl group or a monovalent heterocyclic group; B and B? each independently represent an arylene group or a divalent heterocyclic group; X1 represents a divalent linking group; n1 is 0 or 1; and at least one of A, B, A?, and B? is a heterocyclic group.Type: GrantFiled: August 1, 2003Date of Patent: August 2, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Toru Harada, Naotaka Wachi
-
Publication number: 20040129172Abstract: An ink, which contains at least one dye of formula (1):Type: ApplicationFiled: August 1, 2003Publication date: July 8, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Toru Harada, Naotaka Wachi
-
Publication number: 20030226221Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.Type: ApplicationFiled: January 24, 2003Publication date: December 11, 2003Inventors: Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka, Masuji Motoki
-
Publication number: 20020170126Abstract: A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.Type: ApplicationFiled: January 31, 2002Publication date: November 21, 2002Inventors: Hisashi Mikoshiba, Tadashi Omatsu, Makoto Suzuki, Koushin Matsuoka, Masuji Motoki
-
Patent number: 5964899Abstract: Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.Type: GrantFiled: October 8, 1997Date of Patent: October 12, 1999Assignee: Clariant Finance (BVI) LimitedInventors: Jordi Berenguer, Manuel Jose Domingo, Jose Rocas
-
Patent number: 5550218Abstract: Compounds of the formula ##STR1## wherein A is C.sub.1-6 alkylene, D is a diazo component radical of the triazolyl, pyrazolyl, cyano(C.sub.1-4 alkyl)-imidazolyl, 4-chlorothiazolyl, 4-chlorotheinyl-2, 3-phenyl-1,2,4-thiadiazolyl-5, isothiazolyl-5, benzoisothiazolyl-3 or 1,3,4-thiadiazolyl-5 series or the phenyl series wherein the phenyl group is free of sulfonyl groups and may be substituted, by a maximum of 3 substituents 5-nitrothiazolyl-2, ##STR2## R.sub.1a is phenyl or phenyl substituted by 1 to 4 substituents each of which is independently halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, trifluoromethyl, hydroxy, nitro, formyl, cyano, --SCN, (C.sub.1-4 alkyl)carbonyl, (C.sub.1-4 alkyl)carbonylamino, (C.sub.1-4 alkoxy)carbonyl, (C.sub.1-4 alkyl)carbonyloxy, carbamoyl, (C.sub.1-2 alkoxy)(C.sub.2-3 alkoxy)carbonyl or phenyl, andR.sub.2 -R.sub.4 and R.sub.10 -R.sub.Type: GrantFiled: October 6, 1994Date of Patent: August 27, 1996Assignee: Sandoz Ltd.Inventor: Ruedi Altermatt
-
Patent number: 5545725Abstract: Disazo dyes are disclosed which are particularly suitable for dyeing paper.Paper is dyed with these dyes in greenish-yellow or yellow to red shades of good fastness properties.Type: GrantFiled: November 10, 1994Date of Patent: August 13, 1996Assignee: Ciba-Geigy CorporationInventors: Adolf K aser, Willy Stingelin
-
Patent number: 5328995Abstract: The compounds of the formula ##STR1## where the substituents are as defined in claim 1, are direct dyes for various substrates, in particular cellulosic fibre materials. They are high temperature resistant and therefore are particularly highly suitable for the one-bath, single-stage dyeing of polyester/cotton blend fabrics with a disperse dye for the polyester fibres under the dyeing conditions for polyester fibres.Type: GrantFiled: January 27, 1993Date of Patent: July 12, 1994Assignee: Ciba-Geigy CorporationInventors: Rudolf Schaulin, Urs Lauk
-
Patent number: 5288858Abstract: The invention relates to azo dyes of the formula ##STR1## in which R, R.sub.1 and R.sub.2, independently of one another, are hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 alkyl or phenyl, R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl or phenyl and the benzene rings I and II may be further substituted.The azo dyes are suitable for the dyeing or printing of natural or synthetic polyamide fibre materials, in particular in combination with other dyes and in particular from short liquors. The azo dyes are distinguished by generally good properties, in particular good affinity.Type: GrantFiled: July 14, 1992Date of Patent: February 22, 1994Assignee: Ciba-Geigy CorporationInventor: Jurgen Schaetzer
-
Patent number: 5196520Abstract: The invention relates to azo dyes of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is C.sub.2 -C.sub.4 alkyl, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or unsubstituted or substituted C.sub.5 -C.sub.7 cycloalkyl or phenyl, and the benzene rings I and II are unsubstituted or substituted.The azo dyes are suitable for dyeing or printing synthetic polyamide materials, especially in conjunction with other dyes and, preferably, from short liquors. The azo dyes have good allround properties, in particular good affinity.Type: GrantFiled: January 18, 1991Date of Patent: March 23, 1993Assignee: Ciba-Geigy CorporationInventors: Jurgen Schaetzer, Jean-Marie Adam
-
Patent number: 5037967Abstract: Disperse dyes containing a monoazo coupling component of the formula ##STR1## in which X is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, acylamino, halogen or a group of the formula --NH--CO--NHQ in which Q is hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl,Y is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy,R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5-membered or 6-membered ring,B is a linear or branched C.sub.2 -C.sub.6 alkylene radical,W is halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy,Z is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro andm and n are each 0, 1, 2 or 3.Type: GrantFiled: November 7, 1989Date of Patent: August 6, 1991Assignee: Ciba-Geigy CorporationInventors: Angelo D. Casa, Peter Liechti, Max Dempfle
-
Patent number: 4965345Abstract: Solvent dyes of the formula ##STR1## where ##STR2## R.sup.1 and R.sup.2 are each, independently of the other, hydrogen, methyl, ethyl, methoxy or ethoxy,n is 0 or 1 andk, if n is 0, is the radical of a coupling component of the pyrazolone series or, if n is 1, is the radical of a coupling component of the pyrazolone, 2-naphthol, hydroxyquinoline, aniline, naphthylamine, pyridone or 2,6-diaminopyridine series,R.sup.3 and R.sup.4 each independently of the other being C.sub.1 -C.sub.22 -alkyl which may be substituted or interrupted by oxygen, imino or C.sub.1 -C.sub.4 -alkylimino, subject to the proviso that COR has more than 8 carbon atoms, are very highly suitable for coloring organic substrates.Type: GrantFiled: October 2, 1987Date of Patent: October 23, 1990Assignee: BASF AktiengesellschaftInventor: Hermann Loeffler
-
Patent number: 4956255Abstract: The present invention relates to a photosensitive member containing a specific azo compound represented by the following general formula [I]; ##STR1## wherein A is a bivalent group of a condensed poly-cyclic ring which may have a substituent, a pyridine which may have a substituent, a diazine which may have a substituent, a quinoline which may have a substituent, or a benzoazine which may have a substituent; Cp is a residual group of a coupler, which is improved in photosensitive porperties, in particular, sensitivity.Type: GrantFiled: February 22, 1989Date of Patent: September 11, 1990Assignee: Minolta Camera Kabushiki KaishaInventor: Hideaki Ueda
-
Patent number: 4910299Abstract: Disperse dyes suitable for dyeing textile material composed of polyester dyes of the formula ##STR1## in which D is the radical of a substituted or unsubstituted, homocyclic or heterocyclic diazo component belonging to the series comprising thienyl, thiazolyl, isothiazolyl, 1,2,4-thiadiazolyl, 1,3,4-thiadiazolyl, benzothiazolyl, benzoisothiazolyl, pyrazolyl, imidazolyl or phenyl,X is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, acylamino, halogen or a group of the formula -NH-CO-NHQ in which Q is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,Y is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkoxy,R is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5-membered ring or 6-membered ring,B is a l inear or branched C.sub.2 -C.sub.6 -alkylene radical,W is halogen, C.sub.Type: GrantFiled: December 2, 1987Date of Patent: March 20, 1990Assignee: Ciba-Geigy CorporationInventors: Angelo D. Casa, Peter Liechti, Max Dempfle
-
Patent number: 4833235Abstract: Disazo compounds of the formula ##STR1## and salt thereof, D is the radical of a diazo component of the benzene or naphthalene series.K is the radical of a heterocyclic coupling component of the aminopyrazole-, pyridone- or barbituric acid-series, n is 1 to 4,R.sub.1 is hydrogen, C.sub.1-4 alkyl or substituted C.sub.1-4 alkyl,each of R.sub.2 and R.sub.3 is independently hydrogen, halo, C.sub.1-4 alkyl, substituted C.sub.1-4 alkyl, C.sub.1-4 alkoxy, substituted C.sub.1-4 alkoxy, --NHCO--Rhd 5, amino, substituted amino or a quaternary ammonium group, wherein R.sub.5 is C.sub.1-4 alkyl, substituted C.sub.1-4 alkyl, C.sub.1-4 alkoxy or amino,R.sub.4 is hydrogen, C.sub.1-4 alkyl, C.sub.Type: GrantFiled: October 7, 1987Date of Patent: May 23, 1989Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
-
Patent number: 4772687Abstract: Metal complex dyestuffs which in the form of the free acid correspond to the formula ##STR1## in which the substituents have the meaning given in the description are, depending on the meanings of the substituents, suitable for use as reactive dyestuffs for cotton, wool or polyamide, as direct dyestuffs for cotton or as pigment dyestuffs. Dyeings are obtained which have good fastness properties, in particular good wet-, light- and chlorine fastness.Type: GrantFiled: May 1, 1986Date of Patent: September 20, 1988Assignee: Bayer AktiengesellschaftInventor: Hermann Henk
-
Patent number: 4772292Abstract: A dyestuff mixture for coloring synthetic fibers a yellow color contains as component A a dyestuff of the formula ##STR1## and as component B a different yellow disperse dyestuff species.Type: GrantFiled: November 30, 1987Date of Patent: September 20, 1988Assignee: Cassella AktiengesellschaftInventors: Manfred Hahnke, Ulrich Buhler, Albert Bode
-
Patent number: 4764599Abstract: Sulfo-free compounds of the formula ##STR1## where R is hydrogen or C.sub.1 -C.sub.4 -alkyl andK.sup.1 and K.sup.2 independently of one another are a radical of a coupling component, and the rings A and B may furthermore be monosubstituted or polysubstituted by fluorine, chlorine, bromine, nitro, methyl, trifluoromethyl, ethyl, acetyl, benzoyl, a carboxylic ester group, unsubstituted or substituted carbamyl or sulfamyl, an aryl sulfonate group, C.sub.1 -C.sub.4 -alkylsulfonyl, unsubstituted or substituted phenylsulfonyl, cyano or acylamino or a fused ring, are very useful as pigments for coloring printing inks, surface coatings or plastics.Type: GrantFiled: September 30, 1986Date of Patent: August 16, 1988Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Erwin Hahn
-
Patent number: 4739042Abstract: Halftone gravure printing inks containing pyridone azo dyestuffs wherein the dyestuffs are obtained by reacting a pyridone dyestuff of the formula ##STR1## with a dicarboxylic or polycarboxylic acid or a pyridone azo dyestuff of the formula ##STR2## with a dihydroxy or polyhydroxy compound.Type: GrantFiled: August 4, 1986Date of Patent: April 19, 1988Assignee: Bayer AktiengesellschaftInventors: Manfred Lorenz, Artur Haus
-
Patent number: 4694075Abstract: The compounds of the formula ##STR1## where Y is hydrogen, chlorine, bromine or nitro, Z is hydrogen, chlorine, bromine, a sulfonic ester group or unsubstituted or substituted sulfamyl, X is --O-- or ##STR2## R is alkylene which may or may not be interrupted by oxygen or ##STR3## m is 0 or 1, p is 1 or 2, R.sup.1 and R.sup.2 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, or aryl, or R.sup.1 and R.sup.2 together with the nitrogen form a heterocyclic structure, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, R.sup.6 and R.sup.7 independently of one another are each hydrogen, unsubstituted or substituted alkyl, alkoxy or acylamino, K is a radical of a coupling component, A.crclbar. is an anion, R.sup.4 is unsubtituted or substituted alkyl and R.sup.5 is hydrogen or C.sub.1 -C.sub.Type: GrantFiled: January 21, 1986Date of Patent: September 15, 1987Assignee: BASF AktiengesellschaftInventors: Horst Colberg, Erwin Hahn
-
Patent number: 4686285Abstract: (i) Metal-free compounds of the formula ##STR1## (ii) tautomers thereof, (iii) 1:1 and 1:2 metal complexes of (i) and (ii),(iv) salts of (i), (ii), and (iii), and(v) mixtures of (i), (ii), (iii), and (iv),wherein the symbols are as defined in the Specification, are useful as dyes for, for example, polymers and copolymers of acrylonitrile, polyesters modified to contain acid groups, polyamides such as wool, leather, cotton, bast fibers such as hemp, flax, sisal jute, coir and straw, regenerated cellulose, glass fibers and paper (those wherein R.sub.o is other than hydrogen) or as intermediates for the synthesis of dyes.Type: GrantFiled: February 8, 1985Date of Patent: August 11, 1987Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
-
Patent number: 4668774Abstract: Novel dye salts of anionic dyes of the general formula I ##STR1## where F is a radical of an anionic dye, n is 1, 2, 3 or 4, and B.sup.1 and B.sup.2 independently of one another are each unsubstituted or substituted branched alkyl or alkyl-substituted cycloalkyl having a total of 10 to 36 carbon atoms, are very useful for dyeing solvents, printing inks or polymeric film-forming materials.Type: GrantFiled: April 23, 1985Date of Patent: May 26, 1987Assignee: BASF AktiengesellschaftInventors: Hermann Loeffler, Rainer Dyllick-Brenzinger
-
Patent number: 4667020Abstract: Compounds of the formula ##STR1## where X is a 5-membered heterocyclic structure from the oxazole, oxadiazole, thiazole, thiadiazole, imidazole or triazole series, Y is a radical of the formula ##STR2## the rings A, B and C can be further substituted and can be fused to a benzene ring, R.sup.1 and R.sup.2 are each hydrogen or unsubstituted or substituted alkyl, aralkyl or cycloalkyl, or R.sup.1 and R.sup.2 together with the nitrogen are piperidino, pyrrolidino or morpholino, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aralkyl, acyl, alkoxycarbonyl, aryloxycarbonyl or arylsulfonyl, and R.sup.4 is hydrogen, alkyl or cycloalkyl, are particularly useful as dyes in liquid-crystalline media.Type: GrantFiled: February 20, 1985Date of Patent: May 19, 1987Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Christos Vamvakaris
-
Patent number: 4634764Abstract: Compounds of the formula ##STR1## wherein each R is independently --N(R.sub.1).sub.2, --N.sup..sym. (R.sub.2).sub.3 A.sup..crclbar. or hydroxy, whereineach R.sub.1 is independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl orboth R.sub.1 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered saturated heterocyclic ring,each R.sub.2 is independently alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl ortwo R.sub.2 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered saturated heterocyclic ring orall three R.sub.2 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered unsaturated heterocyclic ring, andA.sup..crclbar. is a non-chromophoric anion,each T is independently a bridging radical, andZ is hydrogen or --N.dbd.Type: GrantFiled: November 10, 1983Date of Patent: January 6, 1987Assignee: Sandoz Ltd.Inventor: Manfred Greve
-
Patent number: 4515716Abstract: Diaminopyridine-based azo dyes for cellulose-containing fibers, represented by the following formula: ##STR1## and the other is hydrogen, phenyl, benzyl, allyl, or alkyl which are unsubstituted or substituted by hydroxyl or lower alkoxy(whereinA is methylene, ethylene, propylene, or 1,3-butylene;n is 0 or 1;Y.sup.1 and Y.sup.2, which are the same or different, are hydrogen, alkyl, alkenyl, cyclohexyl, aryl, or aralkyl which are unsubstituted or substituted by cyano, hydroxy, lower alkoxy, or dialkylamino, or Y.sup.1 and Y.sup.2 together form a 5- or 6-membered heterocyclic ring (NY.sup.1 Y.sup.2) containing one nitrogen, the total number of carbon atoms of Y.sup.1 and Y.sup.2 being 18 or less;R.sup.1 is nitro, cyano, methylsulfonyl, phenylsulfonyl, mono-lower alkylaminosulfonyl, di-lower alkylaminosulfonyl, acetyl, or benzoyl;R.sup.2 and R.sup.3, which are the same or different, are hydrogen, trifluoromethyl, halogen, or cyano;R.sup.Type: GrantFiled: September 3, 1982Date of Patent: May 7, 1985Assignee: Mitsubishi Chemical Industries LimitedInventors: Toshio Niwa, Toshio Hihara
-
Patent number: 4500455Abstract: Diaminopyridine dyes for dyeing cellulose-containing fibers, particularly cellulose fibers and polyester-cellulose fibers in from orange to bluish red, with excellent fastness to light. The dyes are represented by the formula (I): ##STR1## X is a hydrogen atom, or a halogen atom; Y is an alkoxy group containing from 1 to 5 carbon atoms, --O--R.sup.10 --O--R.sup.11, or a phenoxy group; andn is 2 or 3, and wherein R.sup.1 is a nitro group, a cyano group, a methylsulfonyl group, a phenylsulfonyl group, a mono- or di-lower alkylaminosulfonyl group, an acetyl group, or a benzoyl group; R.sup.2 and R.sup.3 are each a hydrogen atom, a trifluoromethyl group, a halogen atom, or a cyano group; R.sup.4 is a hydrogen atom, a lower alkyl group, a mono- or di-lower alkylaminosulfonyl group, a mono- or di-lower alkylcarbamoyl group, or an acetylamino group; R.sup.5 and R.sup.6 are each a hydrogen atom, a halogen atom, or a lower alkyl group; R.sup.7 is a lower alkyl group; R.sup.8 is a hydrogen atom or a halogen atom; R.Type: GrantFiled: July 21, 1982Date of Patent: February 19, 1985Assignee: Mitsubishi Chemical Industries, LimitedInventors: Toshio Niwa, Toshio Hihara, Yukiharu Shimizu
-
Patent number: 4491544Abstract: A compound having the formula (I): ##STR1## wherein D is a radical of a heterocyclic or aromatic component selected from the group of aniline, anthraquinone, phthalimide or aminobenzene radicals, wherein the radical is unsubstituted or is substituted by fluorine, chlorine, bromine, nitro, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl, cyano, C.sub.1 -C.sub.4 -alkylsulfonyl, carboxylic acid ester groups, carbamyl, sulfamyl, 1,3,4- or 1,2,4-oxadiazolyl or acylamino groups; X is CO-- or --SO.sub.2 --; and R is an aliphatic, aromatic or heterocyclic radical selected from the group of C.sub.1 -C.sub.Type: GrantFiled: August 18, 1982Date of Patent: January 1, 1985Assignee: BASF AktiengesellschaftInventors: Volker Radtke, Heinrich Kowarsch, Erwin Hahn, Peter Hauser
-
Patent number: 4483795Abstract: Compounds of the general formula I ##STR1## where D is the radical of a diazo component,R is hydrogen, hydroxy or unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, phenyl or heterocyclic ring,R.sup.1 and R.sup.2 independently of one another are hydrogen or unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl, orR.sup.1 and R.sup.2 together with the nitrogen are a saturated heterocyclic 5-membered to 7-membered ring,X is hydrogen, chlorine, bromine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, allyloxy, .beta.-cyanoethoxy, benzyloxy, phenoxy, .beta.-alkoxycarbonylethoxy, where alkoxy is of 1 to 4 carbon atoms, alkylmercapto of 1 to 4 carbon atoms, phenylmercapto or alkanoylamino of 1 to 4 carbon atoms, andY is chlorine, alkyl of 1 to 4 carbon atoms, allyloxy, alkoxy of 1 to 4 carbon atoms or .beta.-cyanoethoxy, orX and Y together are a fused benzene ring which is unsubstituted or substituted by alkyl alkoxy chlorine or bromine.Type: GrantFiled: October 13, 1982Date of Patent: November 20, 1984Assignee: BASF AktiengesellschaftInventors: Heinz Eilingsfeld, Guenter Hansen, Guenther Seybold, Georg Zeidler