US20090126128A1 - Disazo Acid Dyes - Google Patents

Disazo Acid Dyes Download PDF

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Publication number
US20090126128A1
US20090126128A1 US12/300,709 US30070907A US2009126128A1 US 20090126128 A1 US20090126128 A1 US 20090126128A1 US 30070907 A US30070907 A US 30070907A US 2009126128 A1 US2009126128 A1 US 2009126128A1
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alkyl
unsubstituted
substituted
unbranched
branched
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US12/300,709
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Inventor
Rainer Nusser
Urs Datwyler
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Clariant Finance BVI Ltd
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Clariant Finance BVI Ltd
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Assigned to CLARIANT FINANCE (BVI) LTD. reassignment CLARIANT FINANCE (BVI) LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DAETWYLER, URS, NUSSER, RAINER
Publication of US20090126128A1 publication Critical patent/US20090126128A1/en
Abandoned legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/021—Disazo dyes characterised by two coupling components of the same type
    • C09B35/025—Disazo dyes characterised by two coupling components of the same type in which the coupling component is an amine or polyamine
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/037—Disazo dyes characterised by two coupling components of different types
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/21—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylmethane or triarylmethane
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/215—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylethane or diarylethene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
    • C09B35/30—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O— from two identical coupling components
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
    • C09B35/32—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O— from two different coupling components
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/32—Inkjet printing inks characterised by colouring agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes
    • D06P3/241—Polyamides; Polyurethanes using acid dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/30—Ink jet printing

Definitions

  • the invention relates to novel acid dyes, a process for their preparation and their use for dyeing organic substrates.
  • Acid dyes are known and dyes with bridging members are known as well. However, there is still a need for acid dyes with improved properties.
  • the invention provides compounds of the general formula (I)
  • the preferably 1, 2 or 3 sulpho groups are preferably the further substituents or the substituents on the radicals R 1 , R 2 , R 9 and R 10 .
  • these 1, 2 or 3 sulpho groups are attached to aryl moieties of the radicals R 1 , R 2 , R 9 and R 10 if aryl moieties are present in the radicals R 1 , R 2 , R 9 and R 10 .
  • More preferred these 1, 2 or 3 sulpho groups are located on the radicals R 2 and/or R 10 .
  • the preferred compounds of the formula (I) bear 2 sulpho groups.
  • Aryl is preferably substituted phenyl or substituted naphthyl or unsubstituted phenyl or unsubstituted naphthyl.
  • the substituted aryl groups are preferably substituted by nitro or sulpho groups. Particular preference is given to sulpho groups as substituents on the aryl groups.
  • the preferred —CH 2 -phenylen groups are substituted, preferably by nitro groups and/or sulpho groups, a sulpho group being very particularly preferred as a substituent for the preferred —CH 2 -phenyl groups.
  • the branched C 3-6 alkyl groups or unbranched C 1-6 alkyl groups and the unbranched C 1-6 alkoxy groups or branched C 3-6 alkoxy groups can be further substituted with hydroxy groups or cyano groups.
  • Preferably the alkyl groups and/or the alkoxy groups are not further substituted.
  • the preferred alkyl groups and the preferred alkoxy groups are methyl, ethyl, propyl, methoxy and ethoxy groups. Methyl, ethyl and methoxy groups are very particularly preferred.
  • the particularly preferred bridges have the structures (II-1) or (II-2) or (II-3) or (II-4) or (II-5):
  • the bridge structure (II-3) are the preferred bridge BR.
  • m is 1, n and o are each 0 and have the following structure (II-3′)
  • R 4′ , R 5′ , R 4 , R 5 , R 6 , R 7 , R 6′ and R 7′ have the meaning as described above.
  • R 4′ and R 5′ are hydrogen and R 4 and R 5 are independently hydrogen, unsubstituted unbranched C 1-6 alkyl or unsubstituted branched C 3-6 alkyl, or substituted unbranched C 1-6 alkyl or substituted branched C 3-6 alkyl or unsubstituted unbranched C 1-6 alkoxy or unsubstituted branched C 3-6 alkoxy or substituted unbranched C 1-6 alkoxy or substituted branched C 3-6 alkoxy.
  • R 4′ , R 5′ , R 4 and R 5 are each hydrogen.
  • R 6 , R 7 , R 6′ , R 7′ , R 6′′ , R 7′′ , R 6′′′ and R 7′′′ are independently hydrogen or methyl or ethyl or phenyl. Most preferably R 6 , R 7 , R 6′ and R 7′ are each hydrogen (and m is 1, n and o are each 0).
  • the invention also provides a process for preparing compounds of the formula (I).
  • the present invention's compounds of the formula (I) can be prepared under conventional conditions in conventional processes.
  • the statistical mixture of the different possible compounds will result in such a reaction procedure, wherein the diamine (II) is bis-diazotized and then reacted with the mixture of the compounds of the formulae (IIIa) and (IIIb).
  • one of the components (IIIa) and/or (IIIb) comprises position isomers it should be clear to a person skilled in the art, that this would result as well to the statistical mixture of the additional different possible compounds.
  • the compound of the formula (IIIa) may consist of a mixture of the compounds (IIIa′) and (IIIa′′), e.g. 15 weight-% of the compound of the formula (IIIa′) and 85 weight-% of the compound of the formula (IIIa′′)
  • the particular diamine is cooled to 0-10° C. or preferably to 0-5° C. and diazotized by adding nitrosylsulphuric acid or sodium nitrite. Afterwards, the bis-diazotized diamine is allowed to react with the compound (IIIa) or with the compound (IIIb), preferably in aqueous solution.
  • the dyes of the formula (I) can be isolated from the reaction medium by conventional processes, for example by salting out with an alkali metal salt, filtering and drying, if appropriate under reduced pressure and at elevated temperature.
  • the dyes of the formula (I) can be obtained as free acid, as salt or as mixed salt which contains for example one or more cations selected from alkali metal ions, for example the sodium ion, or an ammonium ion or alkylammonium cation, for example mono-, di- or trimethyl- or -ethylammonium cations.
  • the dye can be converted by conventional techniques from the free acid into a salt or into a mixed salt or vice versa or from one salt form into another. If desired, the dyes can be further purified by diafiltration, in which case unwanted salts and synthesis by-products are separated from the crude anionic dye.
  • the removal of unwanted salts and synthesis by-products and partial removal of water from the crude dye solution is carried out by means of a semipermeable membrane by applying a pressure whereby the dye is obtained without the unwanted salts and synthesis by-products as a solution and if necessary as a solid body in a conventional manner.
  • the dyes of the formula (I) and their salts are particularly suitable for dyeing or printing fibrous material consisting of natural or synthetic polyamides in yellow to violet shades.
  • the dyes of the formula (I) and their salts are suitable for producing Inkjet printing inks and for using these Inkjet printing inks to print fibrous material which consists of natural or synthetic polyamides or cellulose (paper for example).
  • the invention accordingly provides from another aspect for the use of the dyes of the formula (I), their salts and mixtures for dyeing and/or printing fibrous materials consisting of natural or synthetic polyamides.
  • a further aspect is the production of Inkjet printing inks and their use for printing fibrous materials consisting of natural or synthetic polyamides.
  • Dyeing is carried out as per known processes, see for example the dyeing processes described in Ullmamns Encyklopädie der techliischen Chemie, 4th Edition, 1982, Volume 22, pages 658-673 or in the book by M. Peter and H. K. Rouette, Kunststoffn der Textilveredlung, 13th Edition, 1989, pages 535-556 and 566-574. Preference is given to dyeing in the exhaust process at a temperature of 30 to 140° C., more preferably 80 to 120° C. and most preferably at a temperature of 80 to 100° C., and at a liquor ratio in the range from 3:1 to 40:1.
  • the substrate to be dyed can be present in the form of yarn, woven fabric, loop-formingly knitted fabric or carpet for example. Fully fashioned dyeings are even permanently possible on delicate substrates, examples being lambswool, cashmere, alpaca and mohair.
  • the dyes of the invention are particularly useful for dyeing fine-denier fibres (microfibres).
  • the dyes according to the present invention and their salts are highly compatible with known acid dyes. Accordingly, the dyes of the formula (I), their salts or mixtures can be used alone in a dyeing or printing process or else as a component in a combination shade dyeing or printing composition together with other acid dyes of the same class, i.e. with acid dyes possessing comparable dyeing properties, such as for example fastness properties and exhaustion rates from the dyebath onto the substrate.
  • the dyes of the present invention can be used in particular together with certain other dyes having suitable clromophores. The ratio in which the dyes are present in a combination shade dyeing or printing composition is dictated by the hue to be obtained.
  • novel dyes of the formula (I), as stated above, are very useful for dyeing natural and synthetic polyamides, i.e. wool, silk and all nylon types, on each of which dyeings having a high fastness level, especially good light fastness and good wet fastnesses (washing, alkaline perspiration) are obtained.
  • the dyes of the formula (I) and their salts have a high rate of exhaustion.
  • the ability of the dyes of the formula (I) and their salt to build up is likewise very good.
  • On-tone dyeings on the identified substrates are of outstanding quality. All dyeings moreover have a constant hue under artificial light. Furthermore, the fastness to decating and boiling is good.
  • novel dyes are metal free and provide very level dyeings.
  • the compounds according to the invention can be used as an individual dye or else, owing to their good compatibility, as a combination element with other dyes of the same class having comparable dyeing properties, for example with regard to general fastnesses, exhaustion value, etc.
  • the combination shade dyeings obtained have similar fastnesses to dyeings with the individual dye.
  • the invention's dyes of the formula (I) can also be used as red components in trichromatic dyeing or printing.
  • Trichromatic dyeing or printing can utilize all customary and known dyeing and printing processes, such as for example the continuous process, exhaustion process, foam dyeing process and Ink-Jet process.
  • composition of the individual dye components in the trichromatic dye mixture used in the process of the invention depends on the desired hue.
  • a brown hue for example preferably utilizes 20-40% by weight of a yellow component, 40-60% by weight of the invention's orange or red component and 10-20% by weight of a blue component.
  • the orange component as described above, can consist of a single component or of a mixture of different orange individual components conforming to the formula (I). Preference is given to double and triple combinations.
  • the tables I and II which follow contain dyes which can be prepared similarly to the method described in Example 1 by using the corresponding starting materials. These dyes provide orange dyeings having very good light and wet fastnesses on polyamide fibres and wool.
  • a dyebath at 40° C. consisting of 2000 parts of water, 1 part of a weakly cation-active levelling agent which is based on an ethoxylated aminopropyl fatty acid amide and which has affinity for dye, 0.25 part of the dye of Preparation Example 1 and adjusted to pH 5 with 1-2 parts of 40% acetic acid is entered with 100 parts of nylon-6 fabric. After 10 minutes at 40° C., the dyebath is heated to 98° C. at a rate of 1° C. per minute and then left at the boil for 45-60 minutes. Thereafter it is cooled down to 70° C. over 15 minutes. The dyeing is removed from the bath, rinsed with hot and then with cold water and dried. The result obtained is an orange polyamide dyeing possessing good light and wet fastnesses.
  • a dyebath at 40° C. consisting of 2000 parts of water, 1 part of a weakly cation-active levelling agent which is based on an ethoxylated aminopropyl fatty acid amide and which has affinity for dye, 0.3 part of the dye of Preparation Example 1 and adjusted to pH 5.5 with 1-2 parts of 40% acetic acid is entered with 100 parts of nylon-6,6 fabric. After 10 minutes at 40° C., the dyebath is heated to 120° C. at a rate of 1.5° C. per minute and then left at this temperature for 15-25 minutes. Thereafter it is cooled down to 70° C. over 25 minutes. The dyeing is removed from the dyebath, rinsed with hot and then with cold water and dried. The result obtained is an orange polyamide dyeing with good levelness and having good light and wet fastnesses.
  • a dyebath at 40° C. consisting of 4000 parts of water, 1 part of a weakly amphoteric levelling agent which is based on a sulphated, ethoxylated fatty acid amide and which has affinity for dye, 0.4 part of the dye of Preparation Example 1 and adjusted to pH 5 with 1-2 parts of 40% acetic acid is entered with 100 parts of wool fabric.
  • the dyebath is heated to boiling at a rate of 1° C. per minute and then left at the boil for 40-60 minutes. Thereafter it is cooled down to 70° C. over 20 minutes.
  • the dyeing is removed from the bath, rinsed with hot and then with cold water and dried. The result obtained is an orange wool dyeing possessing good light and wet fastnesses.
  • the material thus impregnated is rolled up and left to dwell in a steaming chamber under saturated steam conditions at 85-98° C. for 3-6 hours for fixation.
  • the dyeing is then rinsed with hot and cold water and dried.
  • the result obtained is an orange nylon dyeing having good levelness in the piece and good light and wet fastnesses.
  • a textile cut pile sheet material composed of nylon-6 and having a synthetic base fabric is padded with a liquor containing per 1000 parts
  • the print is fixed for 6 minutes in saturated steam at 100° C., rinsed and dried.
  • the result obtained is a level-coloured cover material having an orange and white pattern.
  • a dyebath at 40° C. consisting of 2000 parts of water, 1 part of a weakly cation-active levelling agent which is based on an ethoxylated aminopropyl fatty acid amide and has affinity for dye, 0.2 part of the dye of Example 1, 1.5 parts of a commercially available preparation of C.I. Acid Yellow 236 (Nylosan Yellow F-L) and 0.5 part of the blue dye of Preparation Example 46 of the patent application WO99/51681 and EP 1066340 B1:
  • Preparation Example 46 of the patent application WO99/51681 and EP1066340 B1, which is adjusted to pH 5 with 1-2 parts of 40% acetic acid is entered with 100 parts of woven nylon-6,6 fabric. After 10 minutes at 40° C., the dyebath is heated to 98° C. at a rate of 1° C. per minute and then left at the boil for 45 to 60 minutes. This is followed by cooling down to 70° C. over 15 minutes. The dyeing is removed from the bath, rinsed with hot and then with cold water and dried. The result obtained is a level grey polyamide dyeing having good light and wet fastnesses.
  • 100 parts of a chrome-tanned and synthetically retanned shave-moist grain leather are dyed for 30 minutes in a bath of 300 parts of water and 2 parts of the dye of Preparation Example 1 at 55° C.
  • the leather is fatliquored for 45 minutes. It is then acidified with 8.5% fommic acid and milled for 10 minutes (final pH in the bath 3.5-4.0).
  • the leather is then rinsed, allowed to drip dry and finished as usual.
  • the result obtained is a leather dyed in a level clear orange hue with good fastnesses.
  • Use Example H can also be carried out with dyes 1 or 2 and 4 to 140 with similar results.
  • a dyebath consisting of 1000 parts of water, 80 parts of calcined Glauber salt, 1 part of sodium nitrobenzene-3-sulphonate and 1 part of dye from Example 79 is heated to 8° C. in the course of 10 minutes. Then, 100 parts of mercerized cotton are added. This is followed by dyeing at 80° C. for 5 minutes and then heating to 95° C. in the course of 15 minutes. After 10 minutes at 95° C., 3 parts of sodium carbonate are added, followed by a further 7 parts of sodium carbonate after 20 minutes and another 10 parts of sodium carbonate after 30 minutes at 95° C. Dyeing is subsequently continued at 95° C. for 60 minutes.
  • the dyed material is then removed from the dyebath and rinsed in running demineralized water for 3 minutes. This is followed by two washes for 10 minutes in 5000 parts of boiling demineralized water at a time and subsequent rinsing in running demineralized water at 60° C. for 3 minutes and with cold tap water for one minute. Drying leaves a brilliant orange cotton dyeing having good fastnesses.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Ink Jet (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
US12/300,709 2006-05-16 2007-05-11 Disazo Acid Dyes Abandoned US20090126128A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06114058 2006-05-16
EP06114058.8 2006-05-16
PCT/EP2007/054581 WO2007131957A2 (en) 2006-05-16 2007-05-11 Disazo acid dyes

Publications (1)

Publication Number Publication Date
US20090126128A1 true US20090126128A1 (en) 2009-05-21

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US13/099,669 Active US8357210B2 (en) 2006-05-16 2011-05-03 Disazo acid dyes

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Country Status (14)

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US (2) US20090126128A1 (ja)
EP (1) EP2027213B1 (ja)
JP (1) JP5341750B2 (ja)
KR (1) KR101340101B1 (ja)
CN (1) CN101448901B (ja)
AU (1) AU2007251589A1 (ja)
BR (1) BRPI0711651B1 (ja)
CA (1) CA2646126A1 (ja)
ES (1) ES2397184T3 (ja)
MX (1) MX2008014473A (ja)
NO (1) NO20084804L (ja)
PT (1) PT2027213E (ja)
TW (1) TWI422647B (ja)
WO (1) WO2007131957A2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100233443A1 (en) * 2006-06-25 2010-09-16 Clariant Finance (Bvi) Limited Acid dyes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2163587A1 (en) * 2008-09-11 2010-03-17 Clariant International Ltd. Acid dyes
EP2251325A1 (en) * 2009-05-14 2010-11-17 Clariant International Ltd. Bisazo compounds
EP2251383A1 (en) * 2009-05-14 2010-11-17 Clariant International Ltd. Organic compounds
EP2418256B1 (en) * 2010-07-29 2013-03-27 Clariant Finance (BV) Limited Acid dyes
EP2910608B1 (en) * 2014-02-25 2017-05-31 Archroma IP GmbH Dimeric anionic monoazo dyes

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US4247460A (en) * 1977-09-17 1981-01-27 Bayer Aktiengesellschaft Disazo dyestuff sulphuric acid ester
US4412950A (en) * 1980-10-08 1983-11-01 Sterling Drug Inc. Monoazo and disazo colorants
US5834602A (en) * 1995-08-17 1998-11-10 Basf Aktiengesellschaft Acid disazo dyes
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CA2646126A1 (en) 2007-11-22
KR20090010984A (ko) 2009-01-30
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TW200804534A (en) 2008-01-16
TWI422647B (zh) 2014-01-11
NO20084804L (no) 2009-02-16
PT2027213E (pt) 2013-02-05
MX2008014473A (es) 2008-11-27
US20110203058A1 (en) 2011-08-25
ES2397184T3 (es) 2013-03-05
BRPI0711651A2 (pt) 2011-11-29
BRPI0711651B1 (pt) 2017-02-21
WO2007131957A3 (en) 2008-02-07
CN101448901B (zh) 2013-08-21
KR101340101B1 (ko) 2013-12-10
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EP2027213A2 (en) 2009-02-25
CN101448901A (zh) 2009-06-03

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