Azo Dye Patents (Class 8/466)
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Patent number: 6916344Abstract: The invention relates to a direct dyeing composition for keratinic fibers, especially human keratinic fibers such as hair, containing at least one direct dye and a thickening polymer with an ether plastic skeleton, in a medium which is suitable for dyeing. The invention also relates to dyeing methods and devices for using the invention composition.Type: GrantFiled: November 10, 2000Date of Patent: July 12, 2005Assignee: L'Oreal S.A.Inventors: Delphine Allard, Frédéric Legrand
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Patent number: 6893471Abstract: The invention concerns a dyeing composition for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising a dicationic diazo dye of formula W1—N?N—W2—N?N—W3 as well as the dyeing method using same and the novel compounds of formula (I).Type: GrantFiled: June 11, 2002Date of Patent: May 17, 2005Assignee: L'Oreal S.A.Inventor: Laurent Vidal
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Patent number: 6884267Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo-dye of formula (I): W1—N?N—W2—W3, as well as the dyeing method using said composition and the novel compounds of formula (I).Type: GrantFiled: April 2, 2002Date of Patent: April 26, 2005Assignee: L'Oreal S.A.Inventors: Laurent Vidal, Aziz Fadli
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Patent number: 6884266Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo dye of formula (I): W1—N?N—W2—NW3W4, and the dyeing method using said composition and the novel compounds of formula (I).Type: GrantFiled: April 2, 2002Date of Patent: April 26, 2005Assignee: L'OrealInventors: Laurent Vidal, Madeleine Leduc
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Patent number: 6884265Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a dicationic diazo dye of formula (I): W1—W2—N?N—W3—L—W4—N?N—W5—W6, as well as the dyeing method using said composition and the novel compounds of formula (I).Type: GrantFiled: April 2, 2002Date of Patent: April 26, 2005Assignee: L'Oreal S.A.Inventors: Laurent Vidal, Madeleine Leduc
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Patent number: 6881230Abstract: The invention concerns a novel dyeing composition for dyeing keratinous fibers, in particular human hair, comprising a cationic azo-dye of formula (I): W1-N?N-W2-W3, as well as the dyeing method using said composition and the novel compounds of formula (I).Type: GrantFiled: April 2, 2002Date of Patent: April 19, 2005Assignee: L'Oreal S.A.Inventor: Laurent Vidal
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Patent number: 6746492Abstract: A semipermanent hair dye composition comprising (A) a direct dye, (B) a hydrocarbon oil and (C) polyoxyalkylene-modified dimethyl polysiloxane. The semipermanent hair dye composition can uniformly dye hair without coloring the scalp and skin and gives the hair an excellent feel after hair coloring.Type: GrantFiled: December 20, 2001Date of Patent: June 8, 2004Assignee: Kao CorporationInventors: Tetsuya Kawai, Takashi Itou
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Patent number: 6736485Abstract: The present invention provides a method of printing a digital image on a textile including the steps of selecting 8 to 16 inks to form an ink set, calibrating the ink set to create an ink set profile, using the ink set profile to calculate hue and shade-based look-up tables directly correlating the inks with the color space coordinates of the pixels of the digital image. The present invention also is a system and an apparatus providing means for performing the calibration of the ink set and direct correlation of the color space coordinates. The printed fabric has a first plurality of dots having 8 to 16 differently colored inks per dot and a second plurality of dots having one color per dot. Significantly, the present invention produces printed textiles having a high detail, deep color, and broad shading, as well as a combination of dyes heretofore considered incompatible.Type: GrantFiled: March 18, 2003Date of Patent: May 18, 2004Assignee: SuperSampleInventors: David S. Kushner, Charles R. Hoffman, III
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Patent number: 6723835Abstract: Compositions containing a solvent and at least one compound of Formula (1) in which: R1 represents H, an optionally substituted C1-8carbyl derived group, or a group of Formula A: in which c is from 2 to 6; R3 represents H or optionally substituted C1-8carbyl derived group; R4 and R5 independently represent an optional substituent; R2 represents an optionally substituted C1-8carbyl derived group; X, Y and Z independently represent H or an optional substituent; M represents H or a cation; and m and n independently represent 0, 1 or 2, are useful as colorants for color filters for displays. Compounds of Formula (1) wherein at least one of R1, R2, X, Y or Z, represent SO3M or PO3M2 are also provided.Type: GrantFiled: March 20, 2002Date of Patent: April 20, 2004Assignee: Avecia LimitedInventors: Christine Millard, Neil Anthony Tallant
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Patent number: 6669740Abstract: Dye preparations comprising, based in each case on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes from the class of the mono- or polyazo dyes containing no acidic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensate or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols with or without water, and their use as inks in the inkjet process and for textile sublimation transfer printing.Type: GrantFiled: November 6, 2002Date of Patent: December 30, 2003Assignee: BASF AktiengesellschaftInventors: Karl Siemensmeyer, Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rüdiger Sens
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Patent number: 6616712Abstract: Compositions comprising as components A) at least one bisazo compound selected from the group consisting of the compounds of the general formula Ia and of the general formula Ib where R1 is C1-C8-alkyl, R2 is C2-C8-alkyl, R3 and R3′ are each C2-C21-alkyl in which up to four CH2 groups of the carbon chain may be replaced by oxygen in ether function, R4 is hydrogen or is R3 (independently of R3), R4′ is hydrogen or is R3′ (independently of R3′), B) at least one solvent in which said component A) is soluble, and optionally C) at least one surface-active substance, are useful as dye penetrants for detecting surface cracks or other defects in workpieces to be tested in this respect.Type: GrantFiled: May 17, 2001Date of Patent: September 9, 2003Assignee: BASF AktiengesellschaftInventors: Karin Heidrun Beck, Christos Vamvakaris, Karl-Heinz Etzbach, Gerhard Scholz, Claudia Kräh
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Publication number: 20030145396Abstract: Dye mixtures including one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) 1Type: ApplicationFiled: September 30, 2002Publication date: August 7, 2003Inventors: Joachim Steckelberg, Werner Russ
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Patent number: 6537331Abstract: Dye preparations comprising, based in each case on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes from the class of the mono- or polyazo dyes containing no acidic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensate or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols with or without water, and their use as inks in the inkjet process and for textile sublimation transfer printing.Type: GrantFiled: June 5, 2000Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Karl Siemensmeyer, Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rüdiger Sens
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Patent number: 6448385Abstract: The invention relates to a process for preparing metal complexes of polyvalent metal ions with azo compounds of formula (I) or tautomeric structures, in which R and R′ are —OH, —NH2, —NH—CN, aryl-amino, acylamino, or p-chlorophenyl, and R1 and R1′ are independently —OH or —NH2, that intercalate an intercalate by (1) stirring an aqueous dispersion of an alkali metal salt of the azo compound with the polyvalent metal salt at 10 to 35° C., (2) admixing an aqueous solution, dispersion, or emulsion of the intercalate, (3) passing the mixture through a reaction zone at 85 to 140° C., while regulating the pH so that the product dispersion leaving the reaction zone has a pH of 0.5 to 3, (4) adjusting the pH of the mixture to at least pH 5, and (5) isolating the intercalated metal complex.Type: GrantFiled: March 30, 2001Date of Patent: September 10, 2002Assignee: Bayer AktiengesellchaftInventors: Udo Herrmann, Lothar Weismantel, Frank Linke, Ronald Göbel, Bernhard Krumbach, Wolfgang Frank
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Publication number: 20020096086Abstract: Composition comprisingType: ApplicationFiled: September 17, 2001Publication date: July 25, 2002Inventors: Greig Chisholm, Sharon Kathleen Wilson
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Publication number: 20020042959Abstract: Monoazo dyestuffs of the formula (1) 1Type: ApplicationFiled: July 24, 2001Publication date: April 18, 2002Inventor: Ronald Pedemonte
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Publication number: 20020040510Abstract: The present invention refers to a dye mixture comprising an azo dye of the formula (I) 1Type: ApplicationFiled: September 13, 2001Publication date: April 11, 2002Inventors: David Brierley, Ian Weddell, David Newton
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Publication number: 20020016999Abstract: The present invention relates to compositions comprising a sulfonated diketopyrrolopyrrole and a Mannich-type substituted dihydroquinacridone. Such compositions are excellently suitable for dispersing fine-sized pigments (especially diketopyrrolopyrrole pigments) into polymers. They lead to pigmentations of increased stability at high temperatures.Type: ApplicationFiled: July 27, 2001Publication date: February 14, 2002Inventor: Gerardus De Keyzer
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Patent number: 6302924Abstract: Dye mixtures comprising one or more thienyl- and/or thiazole-azo dyes with a coupling component of the aminothiazole, aniline or tetrahydroquinoline series, one or more dyes of the class of the monoazo or disazo dyes, methine dyes, azamethine dyes, anthraquinone dyes, nitro dyes or quinophthalone dyes which have their respective absorption maximum at a wavelength of from 410 to 520 nm and optionally one or more dyes of the class of the monoazo or disazo dyes, methine dyes, azamethine dyes, anthraquinone dyes, nitro dyes or quinophthalone dyes which have their respective absorption maximum at a wavelength of from 600 to 700 nm, the FWHM value of the absorption maximum being at least 2000 cm−1, are useful for thermal transfer and for dyeing or printing synthetic materials.Type: GrantFiled: September 22, 1998Date of Patent: October 16, 2001Assignee: Basf AktiengesellschaftInventors: Karl-Heinz Etzbach, Rüdiger Sens, Claudia Kräh, Frank Wüthner
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Patent number: 6284004Abstract: The invention relates to a process for printing textile fibre materials by the ink-jet printing process, wherein the fibre materials are printed with an aqueous ink comprising at least one disperse dye, an anionic copolymer and/or a nonionic block polymer and/or a dispersant, and to the inks comprising these components.Type: GrantFiled: May 23, 2000Date of Patent: September 4, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Marc Burglin, Mickael Mheidle, Peter Scheibli
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Patent number: 6261358Abstract: Solid pigment preparations comprising as pigment at least one metal complex of an azo compound which in the form of its tautomeric structures conforms to the formula (I) wherein the rings X and Y may each independently bear one or two substituents selected from the group consisting of ═O, ═S, ═NR7, —NR6H7, —OR6, —SR6, —COOR6, —CN, —CONR6R7, —SO2R8, alkyl, cycloalkyl, aryl and aralkyl, the sum total of the endo- and exocyclic double bonds being three for each of the rings X and Y, R6 is hydrogen, alkyl, cycloalkyl, aryl or aralkyl, R7 is hydrogen, cyano, alkyl, cycloalkyl, aryl, aralkyl or acyl, R8 is alkyl, cycloalkyl, aryl or aralkyl, R1, R2, R3 and R4 are each independently hydrogen, alkyl, cycloalkyl, aryl or aralkyl and furthermore, as indicated by the broken lines in the formula (I), may form 5- or 6-membered rings to which further rings may be fused, R5 is —OH, —NR6R7, alkyl, cycloalkyl, aryl oType: GrantFiled: October 8, 1999Date of Patent: July 17, 2001Assignee: Bayer AktiengesellschaftInventors: Richard Sommer, Frank Linke, Udo Herrmann, Gunther Stolp
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Patent number: 6211293Abstract: A polyfunctional polycarbodiimide compound contains at least four molecular chains bonded independently to a backbone. Each of the molecular chains contains a carbodiimido (—N═C═N—) group. The polyfunctional carbodiimide compound can be produced by reacting (a) an isocyanate compound having at least one carbodiimido group and at least one isocyanate group with (b) a polyol, polyamine and/or aminoalcohol having at least four hydroxyl, primary amino and/or secondary amino groups in a molecule. Also disclosed are a resin composition containing the polyfunctional polycarbodiimide compound as a crosslinking agent; and a treatment method of an article, which makes use of the resin composition.Type: GrantFiled: May 21, 1999Date of Patent: April 3, 2001Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.Inventors: Michiei Nakamura, Hiroyuki Shimanaka, Yoshitaka Wakebe, Tatsuo Kawamura, Eiichi Sugawara, Ken Okura, Masayuki Takahashi, Nobuo Takezawa
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Patent number: 6191265Abstract: Azo dyes of the formula wherein the substituents are each as defined in the description, are useful for dyeing and printing synthetic textile materials.Type: GrantFiled: December 14, 1999Date of Patent: February 20, 2001Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventor: Rainer Hamprecht
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Patent number: 6007586Abstract: The present invention describes a process for dyeing or printing fiber material by the pigment dyeing or pigment printing process, which comprises applying to the fiber material, and subsequently fixing, a dyeing liquor or a print paste comprising at least one dye of the formulaD--(X).sub.n (1)in whichD is a radical of an insoluble organic dye of the phthalocyanine, perinone, indigoid, thioindigoid, dioxazine, diketopyrrolopyrrole, isoindolinone, perylene, quinacridone, metal complex, monoazo, disazo, trisazo or anthraquinone series, X is a hydrophilic polar radical, and n is 1, 2 or 3, and at least one pigment dye binder, and also, if desired, further auxiliaries.Type: GrantFiled: June 17, 1998Date of Patent: December 28, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Aeschlimann, Paul Herzig
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Patent number: 5888253Abstract: A textile-printing method imparts ink containing a cyan disperse dye and ink containing blue disperse dye on a cloth such that the cyan ink and the blue ink are at least partially overlapped, thereby forming a color mixture portion on the cloth, wherein a weight ratio of the cyan dye to the blue dye at the overlapped portion is specified in the range of from 10:1 to 100:1.Type: GrantFiled: August 13, 1997Date of Patent: March 30, 1999Assignee: Canon Kabushiki KaishaInventors: Tomoya Yamamoto, Masahiro Haruta, Shoji Koike, Koromo Shirota, Aya Yoshihira, Mariko Suzuki
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Patent number: 5773593Abstract: A bisazo compound of the Formula (1) and salts thereof: ##STR1## wherein Ar.sup.1, Ar.sup.2, each J, each X, L, R.sup.1 and R.sup.2 are as defined in the description, provided that L comprises the residue ##STR2## and/or L.sup.1 is--NH--A--NR.sup.9 R.sup.10wherein L.sup.1, A, R.sup.9 and R.sup.10 are as defined in the description, the compounds of Formula (1) being free from fiber-reactive groups and any carboxyl substituents present in the compounds being attached in the form of one or more residue of the following formulae: ##STR3## Also disclosed are ink compositions comprising the above compound; a process for printing substrates with the ink compositions using an ink-jet printer; paper, project slides and textile materials printed with the ink compositions; and a process for coloration of textile materials with the ink compositions.Type: GrantFiled: December 18, 1996Date of Patent: June 30, 1998Assignee: Zeneca LimitedInventors: Peter Gregory, Ronald Wynford Kenyon, Paul Wight
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Patent number: 5756692Abstract: A bisazo compound of the Formula (1) and salts thereof: ##STR1## wherein the variables are as defined in the specification, the compounds of Formula (1) being free from fibre-reactive groups and any carboxyl substituents present in the compounds being attached in the form of one or more residue of the following formulae: ##STR2## Also claimed are ink compositions comprising the above compound; a precess for printing substrates with the ink compositions using an ink-jet printer; paper, project slides and textile materials printed with the ink compositions; and a process for coloration of textile materials with the ink compositions.Type: GrantFiled: December 18, 1996Date of Patent: May 26, 1998Assignee: Zeneca LimitedInventors: Peter Gregory, Ronald Wynford Kenyon, Paul Wight
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Patent number: 5697984Abstract: Dye preparations comprising one or more dyes with no water-solubilizing groups in the molecule from the class of the metal complex azo dyes or the metal phthalocyanines and reaction products between from 1 to 50 mol of ethylene oxide and 1 mol of castor oil are useful for coloring granular or pulverulent substrates and for preparing aqueous dye preparations useful in printing inks.Type: GrantFiled: June 10, 1996Date of Patent: December 16, 1997Assignee: BASF AktiengesellschaftInventors: Dieter Swatzina, Karin Heidrun Beck, Christos Vamvakaris, Juliane Krusemann
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Patent number: 5270454Abstract: Reactive dyestuffs of the formula ##STR1## in which ##STR2## and Z=a heterocyclic reactive group and the remaining groups have the meaning indicated in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups or amide groups.Type: GrantFiled: February 11, 1991Date of Patent: December 14, 1993Assignee: Bayer AktiengesellschaftInventors: Manfred Hoppe, Karl-Josef Herd, Frank-Michael Stohr, Hermann Henk, Karl-Heinz Schundehutte
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Patent number: 4705523Abstract: A process of printing a predetermined pattern on and improving the flame resistance of a poly(m-phenyleneisophthalamide)-containing textile fabric including the successive steps of: (a) applying a print paste, composed of a highly polar solvent selected from dimethylsulfoxide, N,N-dimethylacetamide, N-methyl-2-pyrrolidone, and mixtures thereof, the polar solvent adapted to swell the aramid fiber and introduce a dyestuff therein, at least one organic dyestuff that is soluble in the polar solvent, a print paste thickening agent compatible with both the polar solvent and the dyestuff, a flame retardant and water in a predetermined pattern onto the surface of the aramid textile; and (b) drying and curing the thus printed fabric at an elevated temperature sufficient to permeate and fix the dyestuff and the flame retardant molecules inside the aramid fibers.Type: GrantFiled: June 4, 1986Date of Patent: November 10, 1987Assignee: Burlington Industries, Inc.Inventor: Samir Hussamy
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Patent number: 4631067Abstract: Disperse dyes are dischargeable to white with a print paste including a thickening agent, lithium hydroxide, an organic acid, a polyethylene glycol compound, a polyoxyethylene sorbitan fatty acid ester and a polyalkyleneglycol ether. The print paste discharges a number of known disperse dyes, some which have been conventionally thought of as being alkali-resistant. A method of discharge printing of synthetic textile materials (e.g. polyester) is also disclosed.Type: GrantFiled: April 8, 1985Date of Patent: December 23, 1986Assignee: Burlington Industries, Inc.Inventor: Samir Hussamy
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Patent number: 4571246Abstract: An improved process for production of discharge resist prints on textile material which contain hydrophobic fibers wherein at least one disperse dyestuff dischargeable to white discharge-resistant disperse dyestuff is applied, in the form of a dye liquor or printing paste, to the textile material and a discharge resist printing paste is printed on the material in the desired pattern, and the material is subsequently subjected to heat treatment at 100.degree. to 230.degree. C., wherein the improvement comprises the discharge resist printing paste containing, as the discharging agent, at least one salt of hydrogen sulphide, polysulphanes, compounds have a thiolate group of the formula --S.sup..crclbar. or a tautomerizable thio-group of the formula .dbd.S, and mixtures thereof.Type: GrantFiled: September 17, 1984Date of Patent: February 18, 1986Assignee: Cassella AktiengesellschaftInventors: Ulrich Buhler, Theo Stahl, Konrad Mix, Kurt Roth
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Patent number: 4406661Abstract: Azo dyestuffs free from groups imparting solubility in water are used in the process for the production of white or variously colored designs on a colored substrate on textile materials containing hydrophobic, synthetic fibers by impregnating the materials with dye liquors containing dyeing auxiliaries and padding auxiliaries as well as dyestuffs which are dischargeable to white, drying or incipiently drying the impregnated materials, printing the materials with an alkaline discharge reserve paste which contains a discharging agent, and subsequently subjecting the materials to a heat treatment at temperatures from 100.degree. to 230.degree. C., wherein said discharging agent is a base which produces a pH value of at least 8 in a 5% strength aqueous solution and the dyestuffs which are dischargeable to white are of the formulaD--N.dbd.N--K--NHSO.sub.Type: GrantFiled: June 10, 1982Date of Patent: September 27, 1983Assignee: Cassella AktiengesellschaftInventors: Ulrich Buhler, Joachim Ribka, Horst Tappe, Kurt Roth
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Patent number: 4367172Abstract: Compounds of the formula ##STR1## wherein F is the residue of a monoazo or disazo compound,each X is independently --NR.sub.2 --Q--NR.sub.3 R.sub.4 or --NR.sub.2 --Q--N.sup..sym. R.sub.5 R.sub.6 R.sub.7,whereinQ is linear or branched C.sub.2-6 alkylene,R.sub.2 is hydrogen or C.sub.1-4 alkyl,each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently hydrogen; C.sub.1-6 alkyl; C.sub.2-6 alkyl substituted by hydroxy or cyano; C.sub.1-3 alkyl substituted by phenyl or substituted phenyl having 1 to 3 substituents selected from chloro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; C.sub.5-6 cycloalkyl or C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups, with the proviso that neither R.sub.5 nor R.sub.6 can be hydrogen, orR.sub.3 and R.sub.4 or R.sub.5 and R.sub.6 taken together and with the nitrogen atom to which they are joined form a 5- or 6-membered ring containing at most one further hetero atom, andR.sub.7 is C.sub.1-4 alkyl or benzyl,each Z.sub.1 is independently --CO--, --SO.sub.Type: GrantFiled: December 4, 1980Date of Patent: January 4, 1983Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4363761Abstract: Compounds of the formula ##STR1## wherein F is the residue of a monoazo or disazo compound, each X is independently --NR.sub.2 --Q--NR.sub.3 R.sub.4 or --NR.sub.2 --Q--N.sup..sym. R.sub.5 R.sub.6 R.sub.7,wherein Q is linear or branched C.sub.2-6 alkylene, R.sub.2 is hydrogen or C.sub.1-4 alkyl,each of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is independently hydrogen; C.sub.1-6 alkyl; C.sub.2-6 alkyl substituted by hydroxy or cyano; C.sub.1-3 alkyl substituted by phenyl or substituted phenyl having 1 to 3 substituents selected from chloro, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; C.sub.5-6 cycloalkyl or C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups, with the proviso that neither R.sub.5 and R.sub.6 can be hydrogen, orR.sub.3 and R.sub.4 or R.sub.5 and R.sub.6 taken together and with the nitrogen atom to which they are joined from a 5- or 6-membered ring containing at most one further hetero atom, andR.sub.7 is C.sub.1-4 alkyl or benzyl,each Z.sub.1 is independently --CO--, --SO.sub.Type: GrantFiled: December 4, 1980Date of Patent: December 14, 1982Assignee: Sandoz Ltd.Inventor: Reinhard Pedrazzi
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Patent number: 4322213Abstract: Printed textiles and a process for production of resist effects on textile materials of mixed fibers of polyester and cellulose comprising impregnating the materials with a dye liquor containing dischargeable disperse dyestuffs and dischargeable reactive dyestuffs which react with the resisting agents, drying or partially drying the materials and subsequently printing a resist paste on the materials, and heat-treating the materials at temperatures of 100.degree. to 190.degree. C.,the improvement comprises said dischargeable disperse dyestuffs are of the formula ##STR1## p0 wherein n is a number of 1 to 9; said dischargeable reactive dyestuffs being those containing reactive moieties of the formula--SO.sub.2 --CH.sub.2 --CH.sub.2 --hal,--SO.sub.2 --CH.sub.2 --CH.sub.2 --O--SO.sub.3 M,--NH--SO.sub.2 --CH.sub.2 --CH.sub.2 --O--SO.sub.3 M or--SO.sub.2 --CH.dbd.CH.sub.Type: GrantFiled: May 18, 1981Date of Patent: March 30, 1982Assignee: Cassella AktiengesellschaftInventors: Horst Tappe, Horst Kindler, Kurt Roth, Sien L. Ong
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Patent number: 4313731Abstract: Mono-azo compounds and mono-azo dyes represented by the following general formula and a dyeing process for polyester fibers using the mono-azo dyes: ##STR1## wherein R.sup.1 and R.sup.2 individually represent hydrogen atom, substituted or non-substituted alkyl group, alkenyl group and cyclohexyl group, R.sup.3 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, substituted or non-substituted alkoxy group or alkenyl group and R.sup.4 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, alkoxy group, hydroxy group, acylamino group, alkoxycarbonylamino group, aralkyloxycarbonylamino group or alkylaminocarbonylamino group.Type: GrantFiled: September 12, 1980Date of Patent: February 2, 1982Assignee: Mitsubishi Chemical Industries LimitedInventors: Seiichi Imahori, Kiyoshi Himeno, Maeda, Shuichi
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Patent number: 4286955Abstract: An aqueous-based nylon fiber shrinking composition which can be formulated into a print paste is disclosed. The resulting print paste exhibits excellent viscosity stability and can be applied to nylon pile fabric to produce print-embossed pattern fabric.Type: GrantFiled: July 30, 1979Date of Patent: September 1, 1981Assignee: Armstrong Cork CompanyInventor: Robert D. Lewis
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Patent number: 4268600Abstract: A photochemical color-printing process for textile articles wherein a photosensitive triazene and azo dye coupling agent are applied to surface of textile article, the coated textile is exposed to light with a negative image, unreacted chemical products are removed by washing and rinsing the coated textile article after imaging, and then the coated textile article is dried.Type: GrantFiled: December 1, 1978Date of Patent: May 19, 1981Assignee: Issec and Tissages de Soieries RennisInventors: Jean J. Robillard, Claude R. Riou
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Patent number: 4224025Abstract: A process is described for the dyeing and printing of paper materials by the use of developing dyestuffs, in which process diazo components and heterocyclic coupling components containing a 6-membered heterocyclic radical having one ring nitrogen atom are applied in any sequence, either successively or simultaneously onto or into the paper material to be dyed or printed, and coupled together in alkaline, neutral or acid medium, whereby it is possible using only a single coupling component to obtain on the material, merely by variation of the diazo component, a shade of color ranging from yellow to black.Type: GrantFiled: September 11, 1978Date of Patent: September 23, 1980Assignee: Ciba-Geigy CorporationInventors: Arthur Buhler, Franz H. Nedwed
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Patent number: 4212648Abstract: Process for printing textile cellulose fiber fabrics with printing pastes containing coupling components dissolved in an alkaline medium, sodium nitrite and diazotizable primary aromatic amines, in which process the amines are used as a solution or in the form of an aqueous fine dispersion with a particle size of less than 0.03 mm and are selected in a manner such that they are paractically non-volatile under at the drying temperatures and show a minimum basicity degree with the pK.sub.a being 2.2 or more, developing the water-insoluble azo dyestuffs on the fiber by diazotizing the amines and coupling the diazonium compound formed with the coupling components following the drying of the printing pastes applied by a treatment of the printed fabrics at room temperature with an aqueous developing bath containing formic acid, and completing the coupling without a previous intermediate drying of the fabric, however, optionally following an air passage, by a short-time steaming with saturated steam.Type: GrantFiled: September 7, 1978Date of Patent: July 15, 1980Assignee: Hoechst AktiengesellschaftInventors: Horst Curtius, Erich Feess, Willy Gronen