ES411050A1 - Disperse azo dyestuffs - Google Patents

Disperse azo dyestuffs

Info

Publication number
ES411050A1
ES411050A1 ES411050A ES411050A ES411050A1 ES 411050 A1 ES411050 A1 ES 411050A1 ES 411050 A ES411050 A ES 411050A ES 411050 A ES411050 A ES 411050A ES 411050 A1 ES411050 A1 ES 411050A1
Authority
ES
Spain
Prior art keywords
optionally substituted
hydrogen
alkyl
nitro
chlorine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES411050A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of ES411050A1 publication Critical patent/ES411050A1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/42Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms with nitro or nitroso radicals directly attached to ring carbon atoms
    • C07D333/44Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms with nitro or nitroso radicals directly attached to ring carbon atoms attached in position 5
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/38Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/0025Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
    • C09B29/0059Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only sulfur as heteroatom
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/06Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/06Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08Amino benzenes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/06Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08Amino benzenes
    • C09B29/0805Amino benzenes free of acid groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/06Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08Amino benzenes
    • C09B29/0805Amino benzenes free of acid groups
    • C09B29/0807Amino benzenes free of acid groups characterised by the amino group
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/34Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3604Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
    • C09B29/3617Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
    • C09B29/3621Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
    • C09B29/3626Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more hydroxyl groups (or = O)
    • C09B29/3634Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more hydroxyl groups (or = O) from diazotized heterocyclic rings
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B29/00Monoazo dyes prepared by diazotising and coupling
    • C09B29/34Monoazo dyes prepared by diazotising and coupling from other coupling components
    • C09B29/36Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
    • C09B29/3695Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing other heterocyclic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Process for obtaining dispersed monoazo dyes, free of sulfonic acid and carboxylic acid groups of formula ** formula ** in which Y represents hydrogen, nitro, lower alkyl or optionally substituted phenyl, Z is lower alkyl, optionally substituted phenyl, nitro, optionally substituted cyano, lower alkoxycarbonyl or carbonamido; V is hydrogen, chlorine, optionally substituted alkyl, W is hydrogen, chlorine, bromine, optionally substituted alkyl, (Machine-translation by Google Translate, not legally binding)
ES411050A 1972-01-28 1973-01-27 Disperse azo dyestuffs Expired ES411050A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB404672A GB1394365A (en) 1972-01-28 1972-01-28 Disperse azo dyestuffs

Publications (1)

Publication Number Publication Date
ES411050A1 true ES411050A1 (en) 1975-12-01

Family

ID=9769733

Family Applications (4)

Application Number Title Priority Date Filing Date
ES411050A Expired ES411050A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs
ES411049A Expired ES411049A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs
ES411051A Expired ES411051A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs
ES411052A Expired ES411052A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs

Family Applications After (3)

Application Number Title Priority Date Filing Date
ES411049A Expired ES411049A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs
ES411051A Expired ES411051A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs
ES411052A Expired ES411052A1 (en) 1972-01-28 1973-01-27 Disperse azo dyestuffs

Country Status (11)

Country Link
JP (4) JPS5747214B2 (en)
BE (4) BE794417A (en)
BR (3) BR7300643D0 (en)
CA (3) CA993865A (en)
CH (4) CH572079A5 (en)
DE (4) DE2304201C2 (en)
ES (4) ES411050A1 (en)
FR (4) FR2169346B1 (en)
GB (1) GB1394365A (en)
IT (3) IT983417B (en)
NL (4) NL178083C (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079050A (en) * 1972-01-28 1978-03-14 Imperial Chemical Industries Limited Disperse monoazo dyestuffs containing a thiophene residue
NL7309098A (en) * 1972-07-04 1974-01-08
CH554395A (en) * 1972-07-11 1974-09-30 Sandoz Ag PROCESS FOR THE PRODUCTION OF PERSISTENTLY SOLUBLE AZO COMPOUNDS IN WATER.
AR204517A1 (en) * 1972-12-01 1976-02-12 Sandoz Ag PROCEDURE FOR OBTAINING COMPOUNDS OF 5-CYANO-2-AMINO-THIOPHENES
CH584257A5 (en) * 1973-09-06 1977-01-31 Sandoz Ag
US4140683A (en) * 1976-02-23 1979-02-20 Eastman Kodak Company Dyes from thienylazo compounds and cyclohexylaminoacylanilide couplers
GB1583377A (en) * 1977-04-25 1981-01-28 Ici Ltd Disperse azo dyestuffs derived from a 2-aminothiophene-5-aldehyde
US4204991A (en) * 1977-10-25 1980-05-27 G. D. Searle & Co. Sarcosine1 dehydroalanine8 angiotensin II derivatives
DE2759103C2 (en) * 1977-12-30 1986-10-09 Bayer Ag, 5090 Leverkusen Azo dyes and their use
DE3007518A1 (en) * 1980-02-28 1981-09-17 Cassella Ag, 6000 Frankfurt WATER-INSOLUBLE AZO DYES, METHOD FOR THEIR PRODUCTION AND USE FOR COLORING AND PRINTING SYNTHETIC, HYDROPHOBIC FIBER MATERIAL
US4400318A (en) * 1980-05-19 1983-08-23 Eastman Kodak Company Substituted 5-acyl-3-carbamoyl-2-thienyl azo dyes with aniline, tetrahydroquinoline, and benzomorpholine couplers, process of manufacture, and polyamide testile materials dyed therewith
JPS57141451A (en) * 1981-02-26 1982-09-01 Sumitomo Chem Co Ltd Monoazo dye and production thereof
US4385104A (en) 1981-04-29 1983-05-24 Eastman Kodak Company Photographic products and processes employing novel nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds and precursors thereof
US4396546A (en) 1981-04-29 1983-08-02 Eastman Kodak Company Photographic products and processes employing novel nondiffusible 6-(2-thienylazo)-3-pyridinol cyan dye-releasing compounds and precursors thereof
JPS5924754A (en) * 1982-07-30 1984-02-08 Gosei Senriyou Gijutsu Kenkyu Kumiai Monoazo compound and dyeing method using same
JPS5922964A (en) * 1982-07-30 1984-02-06 Hitachi Ltd Azo-based polychroic dyestuff and liquid crystal composition containing the same
JPS5996165A (en) * 1982-11-22 1984-06-02 Gosei Senriyou Gijutsu Kenkyu Kumiai Monoazo dye for synthetic fiber
DE3402026A1 (en) * 1984-01-21 1985-07-25 Basf Ag, 6700 Ludwigshafen NEW 2-AMINOTHIOPHENE DERIVATIVES
US4568738A (en) * 1984-03-19 1986-02-04 Eastman Kodak Company Thiophen-2-ylazopyrazole compounds as colorants for textile fibers
CA1243669A (en) * 1984-06-25 1988-10-25 Edward W. Kluger Reactive colorants
US4507407A (en) * 1984-06-25 1985-03-26 Milliken Research Corporation Process for in situ coloration of thermosetting resins
DE3507421A1 (en) * 1985-03-02 1986-09-04 Basf Ag, 6700 Ludwigshafen Thiophene derivatives
DE3663945D1 (en) * 1985-03-02 1989-07-20 Basf Ag Thiophene derivatives
DE3510410A1 (en) * 1985-03-22 1986-09-25 Bayer Ag, 5090 Leverkusen AZO DYES
DE3512760A1 (en) * 1985-04-10 1986-10-23 Basf Ag, 6700 Ludwigshafen Azo dyes with thiophene diazo components
DE3528759A1 (en) * 1985-08-10 1987-02-19 Basf Ag HETEROCYCLIC AZO DYES
DE3639942A1 (en) * 1986-11-22 1988-06-01 Basf Ag THIOPHENAZO DYES
US4751254A (en) * 1987-01-20 1988-06-14 Milliken Research Corporation Process for in situ coloration of thermosetting resins
DE3876313T2 (en) * 1987-06-29 1993-04-01 Ici Plc DISPERSION DYES.
US5052380A (en) * 1989-07-07 1991-10-01 Minnesota Mining And Manufacturing Company Colored orthopedic resins and orthopedic casting materials incorporating same
EP0518133B1 (en) * 1991-06-11 1996-04-10 DyStar Japan Ltd. Monoazodye
GB9215777D0 (en) * 1992-07-24 1992-09-09 Ici Plc Disperse dyes
GB9219418D0 (en) * 1992-09-14 1992-10-28 Ici Plc Disperse dyes
TW324021B (en) * 1994-03-08 1998-01-01 Daistar Japan Kk Mono-azo dyestuff
KR960031548A (en) * 1995-02-20 1996-09-17 고사이 아키오 Method for dyeing or printing monoazo compounds and hydrophobic fiber materials using the same
GB9515175D0 (en) * 1995-07-24 1995-09-20 Zeneca Ltd Azothiophenes
GB9608489D0 (en) * 1996-04-25 1996-07-03 Zeneca Ltd Compositions, processes and uses
WO2020136760A1 (en) * 2018-12-26 2020-07-02 緒方 健 Method and system for social archiving service
CN112341430A (en) * 2020-11-11 2021-02-09 嘉禾宜事达(沈阳)化学有限公司 Monoazo compound, preparation method and application thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA895863A (en) * 1972-03-21 A. Weaver Max Azo compound containing a triazolylthio group
DE1079759B (en) * 1954-04-05 1960-04-14 Eastman Kodak Co Process for the preparation of monoazo dyes
FR1139567A (en) * 1954-04-05 1957-07-02 Eastman Kodak Co New Azo Compounds, Their Preparation and Applications
US2805218A (en) * 1954-04-05 1957-09-03 Eastman Kodak Co 2-amino-3-nitro-5-acylthiophene azo dye compounds
US2827450A (en) * 1955-08-12 1958-03-18 Eastman Kodak Co 2-aminothiophene azo compounds
US2827451A (en) * 1955-08-12 1958-03-18 Eastman Kodak Co 2-aminothiophene azo compounds
US2825726A (en) * 1955-08-12 1958-03-04 Eastman Kodak Co Monoazo compounds containing a 2-aminothiophene nucleus
JPS4633226Y1 (en) * 1968-05-07 1971-11-17
FR2008404A1 (en) * 1968-05-13 1970-01-23 Eastman Kodak Co Insoluble monoazo dyes for polyester fibres
GB1351382A (en) * 1971-01-11 1974-04-24 Ici Ltd Disperse azo dyestuffs
GB1351381A (en) * 1971-01-11 1974-04-24 Ici Ltd Disperse azo dyestuffs

Also Published As

Publication number Publication date
ES411052A1 (en) 1975-12-01
NL7301076A (en) 1973-07-31
BR7300643D0 (en) 1973-09-13
DE2304203C2 (en) 1983-03-10
ES411049A1 (en) 1975-12-01
IT983418B (en) 1974-10-31
ES411051A1 (en) 1975-12-01
FR2169344A1 (en) 1973-09-07
DE2304218C2 (en) 1983-01-05
DE2304218A1 (en) 1973-08-02
FR2169345A1 (en) 1973-09-07
JPS5747214B2 (en) 1982-10-07
NL178083B (en) 1985-08-16
DE2304202A1 (en) 1973-08-02
CH575409A5 (en) 1976-05-14
NL7301078A (en) 1973-07-31
BR7300637D0 (en) 1973-09-13
FR2169346B1 (en) 1977-02-04
JPS5518710B2 (en) 1980-05-21
CA993866A (en) 1976-07-27
FR2169345B1 (en) 1978-10-27
JPS4884120A (en) 1973-11-08
CH572079A5 (en) 1976-01-30
BE794417A (en) 1973-07-23
BE794415A (en) 1973-07-23
BR7300641D0 (en) 1973-09-13
JPS5532740B2 (en) 1980-08-27
DE2304201C2 (en) 1982-04-08
JPS4884122A (en) 1973-11-08
FR2169346A1 (en) 1973-09-07
GB1394365A (en) 1975-05-14
NL178083C (en) 1986-01-16
CH572080A5 (en) 1976-01-30
BE794418A (en) 1973-07-23
DE2304203A1 (en) 1973-08-02
CA993865A (en) 1976-07-27
IT983417B (en) 1974-10-31
IT983419B (en) 1974-10-31
NL173656B (en) 1983-09-16
DE2304202C2 (en) 1982-09-23
FR2169343A1 (en) 1973-09-07
JPS5640177B2 (en) 1981-09-18
JPS4881851A (en) 1973-11-01
BE794416A (en) 1973-07-23
FR2169344B1 (en) 1977-02-04
NL7301081A (en) 1973-07-31
NL173656C (en) 1984-02-16
CA993867A (en) 1976-07-27
CH569057A5 (en) 1975-11-14
JPS4884121A (en) 1973-11-08
FR2169343B1 (en) 1977-02-04
DE2304201A1 (en) 1973-08-02
NL7301077A (en) 1973-07-31

Similar Documents

Publication Publication Date Title
ES411050A1 (en) Disperse azo dyestuffs
ES400321A1 (en) Disperse monoazo dyestuffs
ES330299A1 (en) Procedure for the preparation of coloring compositions. (Machine-translation by Google Translate, not legally binding)
ES390851A1 (en) Monoazo compounds of low solubility in water their production and use as dyes
ES450453A1 (en) Disperse nitro disazo dyestuffs
ES416503A1 (en) Thiophene azo dyestuffs
ES385345A1 (en) Azo compounds their production and use as disperse dyes
ES418596A1 (en) Disperse monoazo dyestuffs
GB969146A (en) Photographic material for the silver dye bleaching process
ES271472A1 (en) Procedure for the preparation of disazoic colors (Machine-translation by Google Translate, not legally binding)
ES288503A1 (en) Procedure to prepare azoic colorants of difficult solubility in water (Machine-translation by Google Translate, not legally binding)
ES386343A1 (en) Water-insoluble monoazo dyes
ES382378A1 (en) Water-insoluble monoazo dyestuffs and process for their preparation
ES446398A2 (en) Water-insoluble monoazo pyridone dyestuffs
ES424894A1 (en) Monoazo dyes containing a sulphato-ethyl group
ES450181A1 (en) Disperse monoazo nitro thiazole dyestuffs
ES303942A1 (en) Procedure for the preparation of insoluble disazous colors in water. (Machine-translation by Google Translate, not legally binding)
ES444848A1 (en) Disazo compounds
ES381812A1 (en) Compounds of the azobenzene series their production and use as disperse dyes
ES382875A1 (en) Procedure for the obtaining of polyazoic colorants and their metal complex compounds. (Machine-translation by Google Translate, not legally binding)
ES393685A1 (en) Dyestuffs their production and use as pigments
ES450180A1 (en) Disperse monoazo dyestuffs
ES420147A1 (en) Disperse azo dyestuffs
ES397592A1 (en) Azo water-insoluble dyestuffs for hydrophobic fibres
ES454019A1 (en) Disperse monoazo dyestuffs