Five-membered Hetero Ring Having Two Or More Ring Hetero Atoms Of Which At Least One Is Nitrogen Patents (Class 8/690)
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Patent number: 9732201Abstract: A method for producing infra-red inert substrates, including molded polymeric articles, films, fibers and coatings and other organic and inorganic materials, by incorporating into the substrate or onto the surface of the substrate an effective amount of a dispersed bis-oxodihydroindolylen-benzodifuranone colorant. The thus obtained, also claimed substrates so produced are reflective and transparent to much of the near infra red radiation not reflected. There are multiple applications for cases of devices comprising electronic components, outdoor construction elements, outdoor furniture, automotive, marine or aerospace parts, laminates, artificial leather or textile materials, as well as in polychrome printing processes and optical fibers. The thus obtained substrates can also be subjected to laser welding. New bis-oxo-dihydroindolylen-benzodifuranone compounds are also claimed.Type: GrantFiled: January 30, 2015Date of Patent: August 15, 2017Assignee: BASF SEInventors: Thomas Ruch, Philippe Bugnon, Paul Brown, Véronique Hall-Goulle
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Patent number: 9023118Abstract: The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.Type: GrantFiled: November 29, 2011Date of Patent: May 5, 2015Assignee: Kemira OYJInventors: Helmut-Martin Meier, Christof Heide, Klaus-Günter Strumpf, Thomas Hübbe
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Patent number: 8740997Abstract: Novel compounds based on diaminostilbene are provided. The compounds conform to the general structures The compounds are useful as optical brighteners. Compositions, such as laundry compositions, containing such compounds are also provided.Type: GrantFiled: June 3, 2013Date of Patent: June 3, 2014Assignee: Milliken & CompanyInventors: Robert L. Mahaffey, Eduardo Torres, Dominick J. Valenti, Patrick D. Moore, Leland G. Close, Jr.
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Patent number: 8641785Abstract: An aqueous pigment dispersion containing A and B, wherein A is an azo pigment, an example of which is shown below, and in a crystal form having at least one characteristic peak at Bragg angles (2?) of 5 to 15° and 20 to 30° in X-ray diffraction with characteristic Cu K? line, a tautomer, a salt or hydrate thereof; and B is a vinyl polymer containing a specific structural unit, a structural unit derived from a salt-forming group-containing monomer (a), and a structural unit derived from a monomer selected from a styrene series macromer (b) and a hydrophobic monomer (c), provided that the water-insoluble vinyl polymer has at least either of 2 or more hydroxyl groups and 1 or more carboxyl groups at the end of the main chain:Type: GrantFiled: September 2, 2010Date of Patent: February 4, 2014Assignee: FUJIFILM CorporationInventors: Keiichi Tateishi, Hiroshi Yamamoto
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Patent number: 8470054Abstract: Provided are an azo compound represented by the following formula (1), a tautomer thereof, and a salt or hydrate of the azo compound or the tautomer: wherein in the formula (1), A represents a heterocyclic group; G represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R1 and R2 each independently represent a group represented by the following formula (2) or (3):Type: GrantFiled: August 9, 2012Date of Patent: June 25, 2013Assignee: FUJIFILM CorporationInventors: Masahiro Higashi, Yoshihiro Jimbo
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Patent number: 8465553Abstract: The invention provides a pigment dispersion composition including an azo pigment represented by formula (1), in which the azo pigment represented by formula (1) does not have an ionic hydrophilic group, an azo pigment derivative and a dispersant. In formula (1), G represents a hydrogen atom, an aliphatic group, an aryl group or a heterocyclic group; R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group or a heterocyclic group; R2 represents a substituent; A represents a heterocyclic group; m represents an integer of 0 to 5; and n represents an integer of 1 to 4, wherein: when n=2, the azo pigment is a dimer formed via R1, R2, A or G; when n=3, the azo pigment is a a trimer formed via R1, R2, A or G; and when n=4, the azo pigment is a tetramer formed via R1, R2, A or G.Type: GrantFiled: January 7, 2011Date of Patent: June 18, 2013Assignee: FUJIFILM CorporationInventors: Toshihito Kuge, Nobuo Seto, Masahiro Higashi, Keiichi Tateishi, Hideki Takakuwa, Kaoru Aoyagi, Hiroshi Taguchi
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Patent number: 8460397Abstract: A composition for the oxidative dyeing of keratin fibers, in particular human keratin fibers, comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; (B) a pyridine compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof; and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined herein and a=1 or 2.Type: GrantFiled: February 16, 2012Date of Patent: June 11, 2013Assignee: The Procter & Gamble CompanyInventors: Muill Lim, Bryan Patrick Murphy, Margaret Ann Popp, Richard Matthew Charles Sutton, Guiru Zhang
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Patent number: 8454710Abstract: To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording.Type: GrantFiled: January 14, 2011Date of Patent: June 4, 2013Assignee: FUJIFILM CorporationInventors: Masahiro Higashi, Nobuo Seto, Yoshihiro Jimbo, Keiichi Tateishi
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Patent number: 8454711Abstract: Novel compounds based on diaminostilbene are provided. The compounds conform to the general structures The compounds are useful as optical brighteners. Compositions, such as laundry compositions, containing such compounds are also provided.Type: GrantFiled: September 4, 2012Date of Patent: June 4, 2013Assignee: Milliken & CompanyInventors: Robert L. Mahaffey, Eduardo Torres, Dominick J. Valenti, Patrick D. Moore, Leland G. Close
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Patent number: 8444714Abstract: An oxidative dyeing composition comprising (A) a 1-hexyl/heptyl-4,5-diaminopyrazole compound of the general formula (I), its physiologically compatible water-soluble salt, or mixtures thereof; (B) a benzene-1,3-diol compound of the general formula (II), its physiologically compatible water-soluble salt, or mixtures thereof, and (C) an oxidizing agent. wherein R1, R2, R3, R4, R5, R6 and R7 are as defined herein and a=1 or 2.Type: GrantFiled: February 16, 2012Date of Patent: May 21, 2013Assignee: The Procter & Gamble CompanyInventors: Muill Lim, Bryan Patrick Murphy, Margaret Ann Popp, Richard Matthew Charles Sutton, Guiru Zhang
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Patent number: 8298299Abstract: An azo pigment selected from the group consisting of: an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 21.5°, and 27.3° in CuK? characteristic X-ray diffraction, a peak height at 11.9° of 0.6 or less relative to a peak height at 10.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof; and an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 25.8°, and 27.1° in CuK? characteristic X-ray diffraction, a peak height at 10.9° of 0.2 or less relative to a peak height at 11.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof.Type: GrantFiled: May 31, 2011Date of Patent: October 30, 2012Assignee: FUJIFILM CorporationInventors: Masahiro Higashi, Yoshihiro Jimbo, Keiichi Tateishi
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Patent number: 8262744Abstract: Novel compounds based on diaminostilbene are provided. The compounds conform to the general structures The compounds are useful as optical brighteners. Compositions, such as laundry compositions, containing such compounds are also provided.Type: GrantFiled: May 18, 2011Date of Patent: September 11, 2012Assignee: Milliken & CompanyInventors: Robert L. Mahaffey, Eduardo Torres, Dominick J. Valenti, Patrick D. Moore, Leland G. Close, Jr.
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Patent number: 8236065Abstract: There is provided an azo pigment having excellently good color reproducibility, dispersibility, and storage stability of pigment dispersions and having excellent hue and tinctorial strength. An azo pigment represented by the following formula (1) and having characteristic peaks at Bragg angles (20±0.2°) of 7.2°, 13.4°, 15.0° and 25.Type: GrantFiled: December 8, 2009Date of Patent: August 7, 2012Assignee: FUJIFILM CorporationInventors: Keiichi Tateishi, Yoshiaki Nagata, Shinya Hayashi
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Patent number: 8231691Abstract: The present invention relates to disperse azo dyes based on a phthalimido-substituted aniline coupling component and an aromatic-carbocyclic or an aromatic-heterocyclic diazo component, to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fiber materials, more especially textile materials.Type: GrantFiled: July 8, 2008Date of Patent: July 31, 2012Assignee: Huntsman International LLCInventors: Romeo Dreier, Alfons Arquint, Urs Lauk, Patric Nowack
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Patent number: 8226734Abstract: An azo pigment and pigment dispersion show excellent coloring characteristics and light fastness. The azo pigment is represented by general formula (1), its tautomer, a salt or hydrate thereof: wherein G is hydrogen or an aliphatic, aryl, heterocyclic, acyl, aliphatic oxycarbonyl, carbamoyl, or sulfonyl group, R1 is an amino, aliphatic oxy, aliphatic, aryl, or heterocyclic group, R2 is a substituent, A is an aromatic 5- or 6-membered heterocyclic group, m is an integer of 0 to 5, n is an integer of 1 to 4 and, when n=2, 3 or 4, the formula represents a dimer, trimer, or tetramer, respectively, formed through R1, R2, A, or G.Type: GrantFiled: July 17, 2009Date of Patent: July 24, 2012Assignee: FUJIFILM CorporationInventors: Nobuo Seto, Masahiro Higashi, Keiichi Tateishi, Hideki Takakuwa
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Patent number: 8206465Abstract: An azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and excellent fastness such as light fastness, and a pigment dispersion containing the azo pigment are provided. An azo pigment represented by the following general formula (1) and a pigment dispersion containing the pigment: Wherein Y, G, X1, X2, R1, R2 and R3 are defined in the claims and in the specification.Type: GrantFiled: March 5, 2009Date of Patent: June 26, 2012Assignee: FUJIFILM CorporationInventors: Nobuo Seto, Keiichi Tateishi
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Patent number: 8202327Abstract: A pigment composition including (A) an azo pigment represented by formula (1), and at least one of (B) a coloring agent represented by formula (2), or (C) at least one additive represented by formula (3) or an additive represented by formula (4).Type: GrantFiled: June 29, 2011Date of Patent: June 19, 2012Assignee: FUJIFILM CorporationInventors: Masahiro Higashi, Yoshihiro Jimbo, Keiichi Tateishi
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Patent number: 8177861Abstract: An azo pigment of formula (1), a tautomer of the azo pigment, or a salt or hydrate thereof, are provided: G0 and G1 each is a non-metal atomic group which can form a 5- or 6-membered heterocyclic ring, The rings may be monocyclic or condensed and are optionally substituted. X is a hetero atom. n is an integer of 1 to 4. When n=2, 3, or 4, the compound is a dimer, trimer, or tetramer, respectively. A is a substituent. The azo pigment has excellent coloring characteristics such as high tinctorial strength and hue. It also has excellent durability including high resistance to light and ozone. A pigment dispersion containing the azo pigment and a coloring composition are also provided.Type: GrantFiled: March 5, 2009Date of Patent: May 15, 2012Assignee: FUJIFILM CorporationInventors: Keiichi Tateishi, Yoshiaki Nagata, Nobuo Seto
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Patent number: 8172910Abstract: An object of the invention is to provide an azo pigment having extremely good dispersibility and dispersion stability and having excellent hue and tinctorial strength and, preferably, having a long axis observed with a transmission microscope of from 0.01 ?m to 30 ?m. An azo pigment which is represented by the following formula (1) and having characteristic peaks at Bragg angles (2?±0.2°) of (i) 7.6° and 25.6°, (ii) 7.0°, 26.4°, and 27.3°, or (iii) 6.4°, 26.4°, and 27.Type: GrantFiled: September 28, 2009Date of Patent: May 8, 2012Assignee: FUJIFILM CorporationInventors: Keiichi Tateishi, Shinya Hayashi
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Patent number: 8142519Abstract: A monoazo pigment is represented by the general formula (1), a tautomer of the monoazo pigment, and a salt or a hydrate thereof: in which R1, P1, and Q1 each independently represents a hydrogen or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 5, Het-1 represents a group selected from the aromatic heterocyclic groups represented by the general formula (2) as recited in the claims and disclosure of the invention.Type: GrantFiled: September 3, 2008Date of Patent: March 27, 2012Assignee: Fujifilm CorporationInventors: Keiichi Tateishi, Shinya Hayashi, Yoshiaki Nagata, Tomoaki Nakamura
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Patent number: 8118885Abstract: An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein each of R1, R2, P1, P2, Q1, and Q2 independently represents a hydrogen atom or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 4, each of Het-1 and Het-2 independently represents a group selected from specific aromatic heterocyclic groups.Type: GrantFiled: June 27, 2008Date of Patent: February 21, 2012Assignee: Fujifilm CorporationInventors: Keiichi Tateishi, Yoshiaki Nagata, Tomoaki Nakamura
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Patent number: 8088182Abstract: The present invention relates to dyes of formula wherein D, R1, R2, R3, R4 and n are defined as in the claims, to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic textile materials, more especially textile materials.Type: GrantFiled: September 23, 2009Date of Patent: January 3, 2012Assignee: Huntsman International LLCInventors: Ralf Petermann, Christian Suppiger, Urs Lauk
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Patent number: 8083810Abstract: To provide an azo pigment excellent in coloristic characteristics such as tinctorial strength and hue and at the same time, excellent in the durability such as light fastness and ozone resistance, a pigment dispersion containing the azo pigment, a coloring composition, and an ink for inkjet recording. An azo pigment represented by the following formula (1), its tautomer, or a salt or hydrate thereof: (wherein R1, R2, R3, Y, Z and G each independently represents a hydrogen atom or a substituent; n represents and integer of 2 to 4; and the formula represents a dimer through R1, R2, R3, Y, Z or G when n is 2, represents a trimer through R1, R2, R3, Y, Z or G when n is 3, and represents a tetramer through R1, R2, R3, Y, Z or G when n is 4).Type: GrantFiled: March 5, 2009Date of Patent: December 27, 2011Assignee: Fujifilm CorporationInventors: Shinya Hayashi, Keiichi Tateishi, Naoyuki Hanaki
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Patent number: 8083811Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein the substituents are defined in the specification.Type: GrantFiled: October 30, 2007Date of Patent: December 27, 2011Assignee: Huntsman International LLCInventors: Georg Roentgen, Athanassios Tzikas, Hubert Jean Luc Christnacher
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Patent number: 8080067Abstract: To provide an azo pigment composition exhibiting very good hue and light fastness and having excellent tinctorial strength (color density) and preferably further provide an azo pigment composition containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof. An azo pigment composition comprising at least one kind of an azo pigment represented by formula (1) having characteristic X-ray diffraction peaks at Bragg angles(20±0.2°) of 7.6°, 25.6° and 27.Type: GrantFiled: March 5, 2009Date of Patent: December 20, 2011Assignee: Fujifilm CorporationInventors: Keiichi Tateishi, Shinya Hayashi
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Patent number: 8080066Abstract: An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof: wherein R1, R2, R3, Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R1, R2, R3, Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R1, R2, R3, Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R1, R2, R3, Y, Z, or G.Type: GrantFiled: March 5, 2009Date of Patent: December 20, 2011Assignee: Fujifilm CorporationInventors: Shinya Hayashi, Keiichi Tateishi, Naoyuki Hanaki
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Patent number: 8070832Abstract: The invention provides for a dye of the formula (I) where D is the residue of a diazo component; R1 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl or —NHSO2 (C1-C6)-alkyl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy or halogen; R3 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl or R2 and R3 combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked * is attached to the phenyl nucleus; R4 is hydrogen or (C1-C6)-alkyl; R5 is hydrogen or (C1-C6)-alkyl; R6 is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0, 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.Type: GrantFiled: August 1, 2008Date of Patent: December 6, 2011Assignee: DyStar Colours Deutschland GmbHInventor: Stefan Neubauer
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Patent number: 8062383Abstract: To provide an azo pigment composition having extremely good hue and extremely good light fastness and showing excellent tinctorial strength (color density) and, preferably, to provide an azo pigment composition further containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof An azo pigment composition which contains at least one azo pigment represented by the following formula (1) and having characteristic peaks at Bragg angles (20±0.2°) of 7.2° and 25.9° in X-ray diffraction with the characteristic Cu K? line, or a tautomer thereof: .Type: GrantFiled: March 5, 2009Date of Patent: November 22, 2011Assignee: FUJIFILM CorporationInventor: Keiichi Tateishi
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Patent number: 8002888Abstract: The invention relates to a colorant of the formula (2) where M=Ca, Sr or a combination of Ca and Sr.Type: GrantFiled: February 12, 2008Date of Patent: August 23, 2011Assignee: Clariant Finance (BVI) LimitedInventors: Arpad Acs, Till Borchert, Ruediger Jung, Steffen Schneider
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Patent number: 7927380Abstract: The disclosure relates to a composition for the oxidation dyeing of keratin fibers comprising: A) at least one fatty substance wherein the at least one fatty substance is present in an amount greater than or equal to 25% by weight relative to the total weight of the composition; B) at least one oxidation base chosen from diaminopyrazolones and acid-addition salts thereof; C) at least one additional dye precursor other than the oxidation base in B); D) at least one oxidizing agent; and optionally E) at least one alkaline agent.Type: GrantFiled: December 18, 2009Date of Patent: April 19, 2011Assignee: L'Oreal S.A.Inventors: Marie-Pascale Audousset, Isabelle Schlosser
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Patent number: 7909892Abstract: The present invention relates storage stable aqueous dye solutions comprising a) 5 to 30% by weight of a dye of the formula in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is hydrogen, an alkali metal or alkaline earth metal, ammonium or alkyl ammonium, b) 0.05 to 5% by weight of one or more compounds of the formula or a residue of the formula in which A, X, Y, R, P and Q are defined herein, c) an organic or an inorganic base or mixtures thereof, d) if desired, further additives and e) water, a process for their preparation and the use thereof for the dyeing, in particular of paper.Type: GrantFiled: January 21, 2003Date of Patent: March 22, 2011Assignee: BASF SEInventors: Holger Lautenbach, Adolf Käser, Michael Heneghan
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Patent number: 7871446Abstract: A dyestuff of the formula (I) wherein D is a diazo component; R1 is hydrogen, (C1-C4)-alkyl, hydroxy, —NHCOR6 or —NHSO2R6; R2 is hydrogen, halogen or (C1-C4)-alkoxy; R3 is hydrogen or methyl; R4 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C2-C6)-alkyl, which is interrupted by 1, 2 or 3 heteroatoms wherein said heteroatoms are —0—, —S— or —NR7, substituted (C2-C6)-alkyl, which is interrupted by 1, 2 or 3 heteroatoms wherein said heteroatoms are —0—, —S— or —NR7, (C2-C6)-alkenyl, substituted (C2-C6)-alkenyl, benzyl or phenethyl; R5 is hydrogen or methyl; R6 is (C1-C4)-alkyl, phenyl or substituted phenyl; R7 is (C1-C4)-alkyl, phenyl or substituted phenyl; m is 0, 1 or 2; and n is 0 or 1. The invention further relates to use of the dyestuff and the process of making the dyestuff.Type: GrantFiled: November 2, 2007Date of Patent: January 18, 2011Assignee: DyStar Colours Deutschland KGInventors: Hartwig Jordan, Wolfgang Koster, Anthony Lawrence
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Patent number: 7833291Abstract: The present invention provides dyes of the general formula (I) where D is the residue of a diazo component; R1 to R7 and L are each as defined in claim 1, processes for their preparation and their use.Type: GrantFiled: January 14, 2008Date of Patent: November 16, 2010Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Hartwig Jordan, Stefan Neubauer, Anthony Lawrence, Nigel Hall
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Patent number: 7824450Abstract: The present invention provides dyes of the general formula (I) where D, R1 to R7 and n are each as defined in claim 1, processes for their preparation and their use.Type: GrantFiled: October 16, 2007Date of Patent: November 2, 2010Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Hartwig Jordan, Stefan Neubauer
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Patent number: 7637964Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.Type: GrantFiled: May 27, 2008Date of Patent: December 29, 2009Assignee: DyStar Textilfarben GmbH & Co.Inventors: Stefan Meier, Werner Russ, Joachim Eichhorn
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Patent number: 7413578Abstract: The present invention relates to agents comprising cationic azacyanine dyes of the formula (I) for coloring keratin fibers, such as, for example, wool, silk or furs and in particular human hair (where X1 is N—R1, O or S and X2 is N—R2, O or S), and to a method of coloring hair with varying degrees of damage.Type: GrantFiled: January 25, 2006Date of Patent: August 19, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller, Anita Roulin, Cécile Pasquíer
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Patent number: 7410507Abstract: The present invention relates to the use of cationic azacyanine dyes of the formula (Ia) or (Ib) for coloring keratin fibers, and to a method of coloring hair with various degrees of damage.Type: GrantFiled: January 25, 2006Date of Patent: August 12, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller, Anita Roulin, Cécile Pasquier
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Patent number: 7407517Abstract: The present disclosure relates to the use of cationic azo compounds with julolidine units as direct dyes, for the dyeing of keratin fibers, including human keratin fibers, such as the hair. The present disclosure also relates to a dyeing composition for the dyeing of keratin fibers, including human keratin fibers such as the hair, containing at least one cationic direct azo dye with julolidine units, in a suitable dyeing medium. The present disclosure also relates to a method of dyeing of keratin fibers, including human keratin fibers such as the hair, employing the dyeing composition according to the disclosure. The present disclosure also relates to cationic azo compounds with julolidine units.Type: GrantFiled: August 23, 2006Date of Patent: August 5, 2008Assignee: L'Oreal S.A.Inventors: Nicolas Daubresse, Andrew Greaves
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Patent number: 7381228Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.Type: GrantFiled: April 30, 2007Date of Patent: June 3, 2008Assignee: DyStar Textilfarben GmbH & Co. Deutschland KGInventors: Stefan Ehrenberg, Andreas Giehl, Jörg Wörner
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Patent number: 7374583Abstract: The present invention relates to agents containing cationic azacyanine dyes having formula (I) for dyeing fibers, such as, for example, keratin fibers, wool, silk or fleeces, and in particular human hair, as well as to new asymmetrical azacyanine dyes.Type: GrantFiled: April 3, 2007Date of Patent: May 20, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller
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Patent number: 7358345Abstract: The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their useType: GrantFiled: October 15, 2004Date of Patent: April 15, 2008Assignee: Dystar Textilfarben GmbH & Co. Deutschland KGInventor: Nigel Hall
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Patent number: 7358344Abstract: An azo dye represented by formula (I): A-N?N—B??formula (I) wherein, A represents a group having a substituent required for inducing an intramolecular nucleophilic substitution reaction with a nitrogen atom of a reduced azo group as a nucleophilic species when the azo group is reductively decomposed, the group forming a compound containing the nitrogen atom in a ring structure, and B represents an aromatic or hetero ring which is bound to the azo group through a carbon atom.Type: GrantFiled: November 4, 2004Date of Patent: April 15, 2008Assignee: Fujifilm CorporationInventors: Yasuhiro Shimada, Yasuhiro Ishiwata, Makiko Yokoi
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Patent number: 7297168Abstract: Five-membered heteroaromatic keratin dyeing compounds with one, two, or three heteroatoms. This invention further relates to a composition for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more 5-membered heteroaromatic keratin dyeing compounds with one, tow, or three heteroatoms. This invention further relates to a method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.Type: GrantFiled: January 12, 2005Date of Patent: November 20, 2007Assignee: The Procter & Gamble CompanyInventors: Bryan Patrick Murphy, Robert Wayne Glenn, Jr., Mu-Ill Lim, John Michael Gardlik, Stevan David Jones, William David Laidig, John David Shaffer, Charles Wayne Rees
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Patent number: 7070629Abstract: The invention relates to a dye composition comprising a first oxidation base of the diaminopyrazole type, a second oxidation base of the para-phenylenediamine type containing a cyclic amino group, and a coupler. The invention also relates to the use of this composition for dyeing keratin fibers and also to the dyeing process using this composition.Type: GrantFiled: September 27, 2002Date of Patent: July 4, 2006Assignee: L'Oreal, S.A.Inventors: Sylvain Kravtchenko, Alain Lagrange
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Patent number: 7018426Abstract: The object of the invention is an agent for the oxidative dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formulas (I), (II) or (III) or its salt with organic or inorganic acids as well as (b) at least one resorcinol derivative of the general Formula (IV)Type: GrantFiled: September 13, 2001Date of Patent: March 28, 2006Assignee: Wella AGInventors: Manuela Javet, Christel Dousse
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Patent number: 7004979Abstract: The invention relates to a dye composition comprising an oxidation base of the diaminopyrazole type and a pyrazolo-azole coupler. The invention also relates to the use of this composition for dyeing keratin fibres and also to the dyeing process using this composition.Type: GrantFiled: September 27, 2002Date of Patent: February 28, 2006Assignee: L'Oreal S.A.Inventors: Sylvain Kravtchenko, Alain Lagrange
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Patent number: 6962610Abstract: Provided is a hair dye composition containing a dissociative direct dye represented by the following formula (1): wherein, R1 to R4 each represents H or substituent, X represents OH or —NHSO2R5, R5 represents an alkyl, aryl or heterocyclic group, and A represents a divalent group capable of forming a methine dye as a whole compound, together with the portion other than A. The hair dye composition of the present invention is capable of strongly dyeing the hair with a vivid color tone without causing decomposition of the dye during the dyeing process, exhibits an excellent resistance against sunlight, hair washing, perspiration, friction and heat, has a high stability against an alkali agent and an oxidizing agent, has a high dyeing property, and has less color fade after the passage of time.Type: GrantFiled: September 12, 2003Date of Patent: November 8, 2005Assignees: Kao Corporation, Fuji Photo Film Co., Ltd.Inventors: Dominic Pratt, Toshio Kawagishi
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Patent number: 6905522Abstract: Dye compositions comprising, in a medium suitable for dyeing: at least one first oxidation base chosen from 4,5-diaminopyrazole derivatives of formula (I) and addition salts thereof, at least one second cationic oxidation base chosen from monobenzenic, dibenzenic and heterocyclic oxidation bases, and the addition salts thereof, comprising at least one cationic group Z chosen from aliphatic chains optionally bearing at least one ring chosen from saturated and unsaturated rings; wherein said at least one cationic group Z is linked directly to at least one benzenic ring or to at least one heterocycle of said at least one second cationic oxidation base or linked to at least one amine functional group borne by said at least one benzenic ring or said at least one heterocycle; and at least one coupler; as well as the use of this composition for dyeing keratin fibers and the dying process using this composition.Type: GrantFiled: February 11, 2003Date of Patent: June 14, 2005Assignee: L'Oreal S.A.Inventors: Sylvain Kravtchenko, Alain Lagrange
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Patent number: 6783558Abstract: The present invention is directed to a hair coloring method by using a composition comprising a specified ring-fused heterocycle direct dyestuff having the general formula (1) or a salt thereof wherein the formulas are as defined in the patent claims. Furthermore, the present invention is also directed to the composition. This composition has a surprisingly good hair coloring performance and compatibility with peroxides. The use of this composition leads to long lasting brilliant colors wherein the color is stable against washing of the hair and environmental influences.Type: GrantFiled: March 14, 2002Date of Patent: August 31, 2004Assignees: Kao Corporation, Fuji Photo Film Co., Ltd.Inventors: Dominic Pratt, Toshio Kawagishi
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Publication number: 20030172478Abstract: A bipyrrolinonylidene-type compound is provided which is useful as colorants such as dyes and pigments, or other organic chemical products or intermediates thereof. A method of producing the bipyrrolinonylidene-type compound is also provided, which is suitable for large-scale industrial production with high yield. The bipyrrolinonylidene-type compound is represented by general formula (1).Type: ApplicationFiled: March 11, 2003Publication date: September 18, 2003Applicant: DAINIPPON INK AND CHEMICALS, INC.Inventor: Yuji Ohashi