CH476803A - Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe - Google Patents

Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe

Info

Publication number
CH476803A
CH476803A CH682263A CH682263A CH476803A CH 476803 A CH476803 A CH 476803A CH 682263 A CH682263 A CH 682263A CH 682263 A CH682263 A CH 682263A CH 476803 A CH476803 A CH 476803A
Authority
CH
Switzerland
Prior art keywords
production
water
sparingly soluble
azo dyes
azo
Prior art date
Application number
CH682263A
Other languages
English (en)
Inventor
Curt Dr Mueller
Original Assignee
Sandoz Ag
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
Priority to NL128389D priority Critical patent/NL128389C/xx
Priority to GB1050675D priority patent/GB1050675A/en
Priority to CH300064A priority patent/CH475307A/de
Priority to CH239064A priority patent/CH475305A/de
Priority to CH326164A priority patent/CH475309A/de
Priority to CH300164A priority patent/CH475308A/de
Priority to CH245164A priority patent/CH476804A/de
Priority to CH295864A priority patent/CH475306A/de
Priority claimed from CH194563A external-priority patent/CH422194A/de
Priority to CH581069A priority patent/CH478201A/de
Priority to CH296164A priority patent/CH496769A/de
Priority to CH682163A priority patent/CH468444A/de
Priority to CH326264A priority patent/CH496771A/de
Priority to CH682263A priority patent/CH476803A/de
Application filed by Sandoz Ag filed Critical Sandoz Ag
Priority to DES89424A priority patent/DE1273729B/de
Priority to DES113592A priority patent/DE1295116B/de
Priority to DES113593A priority patent/DE1295115B/de
Priority to DE19641644380 priority patent/DE1644380A1/de
Priority to AT468765A priority patent/AT249207B/de
Priority to AT468965A priority patent/AT249209B/de
Priority to AT469765A priority patent/AT249217B/de
Priority to AT469665A priority patent/AT249216B/de
Priority to US344538A priority patent/US3342804A/en
Priority to AT469165A priority patent/AT249211B/de
Priority to BE643775D priority patent/BE643775A/xx
Priority to AT469365A priority patent/AT249213B/de
Priority to AT470065A priority patent/AT249220B/de
Priority to AT469565A priority patent/AT249215B/de
Priority to BE643774D priority patent/BE643774A/xx
Priority to AT469965A priority patent/AT249219B/de
Priority to NL6401354A priority patent/NL6401354A/xx
Priority to ES0296446A priority patent/ES296446A1/es
Priority to NL6401355A priority patent/NL6401355A/xx
Priority to CH213664A priority patent/CH473186A/de
Priority to CH299964A priority patent/CH496770A/de
Priority to US647641A priority patent/US3398135A/en
Priority to US647640A priority patent/US3398137A/en
Priority to NL696902204A priority patent/NL140002B/xx
Priority to NL696902205A priority patent/NL140003B/xx
Publication of CH476803A publication Critical patent/CH476803A/de

Links

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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes
    • 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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
    • C09B29/08—Amino benzenes
    • C09B29/0805—Amino benzenes free of acid groups
    • C09B29/0807—Amino benzenes free of acid groups characterised by the amino group
    • C09B29/0809—Amino benzenes free of acid groups characterised by the amino group substituted amino group
    • C09B29/081—Amino benzenes free of acid groups characterised by the amino group substituted amino group unsubstituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino, aralkylamino or arylamino
    • 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
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
    • D06P1/18—Azo 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
    • 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
    • D06P3/34—Material containing ester groups
    • D06P3/36—Material containing ester groups using dispersed dyestuffs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/904—Mixed anionic and nonionic emulsifiers for dyeing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/922—Polyester fiber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)
CH682263A 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe CH476803A (de)

Priority Applications (38)

Application Number Priority Date Filing Date Title
GB1050675D GB1050675A (de) 1963-02-15
NL128389D NL128389C (de) 1963-02-15
CH239064A CH475305A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH326164A CH475309A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH300164A CH475308A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH245164A CH476804A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung von Monoazofarbstoffen
CH295864A CH475306A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH300064A CH475307A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH682163A CH468444A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH296164A CH496769A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH581069A CH478201A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH326264A CH496771A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH682263A CH476803A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
DES89424A DE1273729B (de) 1963-02-15 1964-02-07 Verfahren zur Herstellung von Monoazo-Dispersionsfarbstoffen
DES113592A DE1295116B (de) 1963-02-15 1964-02-07 Verfahren zur Herstellung von Monoazofarbstoffen
DES113593A DE1295115B (de) 1963-02-15 1964-02-07 Verfahren zur Herstellung von Monoazofarbstoffen
DE19641644380 DE1644380A1 (de) 1963-02-15 1964-02-07 Verfahren zur Herstellung von Monoazofarbstoffen
AT468965A AT249209B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
AT469965A AT249219B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
AT468765A AT249207B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung neuer wasserunlöslicher 4-Nitro-4'-dialkylamino-1,1'-azobenzole
AT469765A AT249217B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
AT469665A AT249216B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
US344538A US3342804A (en) 1963-02-15 1964-02-13 Monoazo dyes
AT469165A AT249211B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
BE643775D BE643775A (de) 1963-02-15 1964-02-13
AT469365A AT249213B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
AT470065A AT249220B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung neuer wasserunlöslicher 4-Nitro-4'-dialkylamino-1,1'-azobenzole
AT469565A AT249215B (de) 1963-05-31 1964-02-13 Verfahren zur Herstellung von neuen wasserunlöslichen 4-Nitro-4'-dialkylamino-1,1'-azobenzolen
BE643774D BE643774A (de) 1963-02-15 1964-02-13
NL6401354A NL6401354A (de) 1963-02-15 1964-02-14
NL6401355A NL6401355A (de) 1963-02-15 1964-02-14
ES0296446A ES296446A1 (es) 1963-02-15 1964-02-14 Procedimiento para la obtenciën de colorantes monoazoicos
CH213664A CH473186A (de) 1963-02-15 1964-02-21 Verfahren zur Herstellung von Monoazofarbstoffen
CH299964A CH496770A (de) 1963-02-15 1964-03-09 Verfahren zur Herstellung von Monoazofarbstoffen
US647641A US3398135A (en) 1963-02-15 1967-06-21 2-cyano-4-nitro-6-halogeno-2'-acylamino-4'-dialkylamino-1, 1'-azobenzene dyes
US647640A US3398137A (en) 1963-02-15 1967-06-21 2-methylsulphonyl-4-nitro-2'-acylamino-4'-dialkylamino-1, 1'-azobenzene dyes
NL696902204A NL140002B (nl) 1963-02-15 1969-02-12 Werkwijze ter bereiding van 2-cyaan-4-nitro-4'-dialkylamino-2'-acylamino-1,1'-azobenzeenkleurstoffen.
NL696902205A NL140003B (nl) 1963-02-15 1969-02-12 Werkwijze ter bereiding van 2-alkylsulfonyl-4-nitro-4'-dialkylamino-2'-acylamino-1,1'-azobenzeenkleurstoffen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH194563A CH422194A (de) 1963-02-15 1963-02-15 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH682163A CH468444A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH682263A CH476803A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH813363 1963-07-01

Publications (1)

Publication Number Publication Date
CH476803A true CH476803A (de) 1969-08-15

Family

ID=27428327

Family Applications (2)

Application Number Title Priority Date Filing Date
CH682163A CH468444A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe
CH682263A CH476803A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH682163A CH468444A (de) 1963-02-15 1963-05-31 Verfahren zur Herstellung in Wasser schwer löslicher Azofarbstoffe

Country Status (6)

Country Link
US (3) US3342804A (de)
CH (2) CH468444A (de)
DE (3) DE1295116B (de)
ES (1) ES296446A1 (de)
GB (1) GB1050675A (de)
NL (3) NL6401354A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544373A (en) * 1977-03-16 1985-10-01 Ciba-Geigy Corporation 2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1,1'-azobezene dyes

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237048A (en) * 1962-03-09 1980-12-02 Bayer Aktiengesellschaft Monoazo dyestuff containing di-cyano substituents ortho to the azo group
US3524718A (en) * 1965-07-09 1970-08-18 Geigy Ag J R Processes for the continuous dyeing and printing of cellulose ester fiber material
CH478884A (de) * 1966-10-06 1969-09-30 Sandoz Ag Verfahren zur Herstellung von Monoazofarbstoffen
US3546204A (en) * 1968-10-23 1970-12-08 Eastman Kodak Co Phenyl-azo-phenyl dyes compounds
DE2000131A1 (de) * 1970-01-02 1971-07-08 Bayer Ag Verfahren zum kontinuierlichen Faerben synthetischer Fasermaterialien
US3692769A (en) * 1970-02-18 1972-09-19 Max A Weaver Azo compounds containing an arylsulfonyl phenyl diazo component
US4042580A (en) * 1970-05-06 1977-08-16 Sandoz Ltd. Phenylazophenyl dyes having an alkoxyacylamino group on the coupling component radical
US4038269A (en) * 1970-05-06 1977-07-26 Sandoz Ltd. 2'-alkoxyacylamino-4'-alkylamino-4-nitro-1,1'-azobenzene disperse dyes
US4179435A (en) * 1971-05-03 1979-12-18 Ciba-Geigy Corporation Azo dyestuffs having a carboxyl group and a substituted sulfonylimino group in the coupling component
US4115381A (en) * 1971-05-03 1978-09-19 Ciba-Geigy Corporation Azo dyestuffs having a carboxyl group and an iminosulfonamido, iminosulfonylalkyl or iminosulfonylaryl group in the coupling component
BE794996A (fr) * 1972-02-03 1973-08-06 Hoechst Ag Colorants azoiques insolubles dans l'eau
US4119624A (en) * 1972-06-08 1978-10-10 Imperial Chemical Industries Limited Disperse monoazo dyestuffs
CH614228A5 (de) * 1972-07-13 1979-11-15 Bayer Ag
DE2310745C3 (de) * 1973-03-03 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Azoverbindungen
US4667023A (en) * 1973-07-16 1987-05-19 Sandoz Ltd. 4-(2'-halo-4'-nitrophenylazo)-2-2[2'-(C1-2 alkoxy or 2"-methoxyethoxy)ethoxycarbonylamino --N,N-di-C2-3 alkylanilines
CH582734A5 (de) * 1973-07-17 1976-12-15 Sandoz Ag
JPS51102565A (de) * 1975-03-07 1976-09-10 Hitachi Ltd
IT1093708B (it) * 1977-03-15 1985-07-26 Bayer Ag Composti azoici
DE2736785C3 (de) * 1977-08-16 1980-06-26 Hoechst Ag, 6000 Frankfurt Neue Dispersionsazofarbstoffe, Verfahren zu ihrer Herstellung sowie deren Verwendung zum Färben oder Bedrucken von synthetischen Fasermaterialien
DE2938633A1 (de) 1979-09-25 1981-04-09 Bayer Ag, 5090 Leverkusen Azofarbstoffe sowie deren herstellung und verwendung zum faerben von synthesefasern
DE3042144A1 (de) * 1980-11-08 1982-07-22 Cassella Ag, 6000 Frankfurt Verfahren zur herstellung von aetzreservedrucken auf textilmaschinen
DE3112427A1 (de) * 1981-03-28 1982-10-07 Basf Ag, 6700 Ludwigshafen Marineblaue farbstoffmischungen
DE3117366A1 (de) * 1981-05-02 1982-11-18 Basf Ag, 6700 Ludwigshafen Marineblaue farbstoffmischungen
DE3142609A1 (de) * 1981-10-28 1983-05-05 Basf Ag, 6700 Ludwigshafen Marineblaue dispersionsfarbstoffmischungen
JPS58225156A (ja) * 1982-06-21 1983-12-27 Gosei Senriyou Gijutsu Kenkyu Kumiai モノアゾ染料及びその製法
CH667102A5 (de) * 1985-08-02 1988-09-15 Sandoz Ag Dispersionsfarbstoff-gemische.
GB8717309D0 (en) * 1987-07-22 1987-08-26 Ici Plc Disperse dye
WO1992017550A1 (en) * 1991-03-27 1992-10-15 Idaho Research Foundation, Inc. Biodegradable azo dyes
GB9613218D0 (en) * 1996-06-25 1996-08-28 Zeneca Ltd Azo dyes
EP1085055B1 (de) * 1999-09-20 2004-10-20 Ciba SC Holding AG Azofarbstoff, Verfahren zu dessen Herstellung und dessen Verwendung zum Färben oder Bedrucken von hydrophoben Fasermaterialien
JP5203545B2 (ja) * 1999-09-20 2013-06-05 チバ ホールディング インコーポレーテッド アゾ染料、それらの製造方法及び疎水性繊維材料の染色又は捺染でのそれらの使用
GB0212691D0 (en) * 2002-06-05 2002-07-10 Clariant Int Ltd Composition for dyeing polyester textile materials
EP2995653A1 (de) * 2014-09-15 2016-03-16 DyStar Colours Distribution GmbH Hoch nassechte Dispersionsfarbstoffe und Mischungen dieser
CN114773874B (zh) * 2022-04-10 2023-08-01 浙江博澳新材料股份有限公司 紫色耐晒可碱洗分散染料及其制备方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2083308A (en) * 1935-08-27 1937-06-08 Firm Of J R Geigy A G Monoazo-dyestuffs and their manufacture
US2111300A (en) * 1936-02-10 1938-03-15 Firm J R Geigy S A Monoazo-dyestuffs and their manufacture
US2155755A (en) * 1936-11-19 1939-04-25 Soc Of Chemical Ind Mono-azo dyestuffs
DE748473C (de) * 1936-11-19 1944-11-03 Verfahren zur Herstellung von wasserunloeslichen Monoazofarbstoffen
US2231021A (en) * 1938-11-02 1941-02-11 Eastman Kodak Co Azo compounds and material colored therewith
US2289349A (en) * 1940-08-30 1942-07-14 Eastman Kodak Co Azo compounds and material colored therewith
US2286795A (en) * 1941-08-22 1942-06-16 Eastman Kodak Co Azo compounds and material colored therewith
US2436100A (en) * 1944-03-02 1948-02-17 Eastman Kodak Co Monoazo dye containing a trifluoro acetylamino group
US2873270A (en) * 1952-01-18 1959-02-10 Saul & Co Monoazo dyestuffs
GB856348A (en) * 1956-07-25 1960-12-14 Westminster Bank Ltd Improvements in or relating to water-insoluble monoazo dyestuffs containing carboxylic ester groups
US2955901A (en) * 1956-07-25 1960-10-11 Bayer Ag Process for dyeing polyethylene terephthalates
US3178405A (en) * 1956-07-25 1965-04-13 Merian Ernest Water-insoluble monoazo dyestuffs
GB852493A (en) * 1958-07-02 1960-10-26 Ici Ltd Benzene-monoazo-benzene dyestuffs
GB865328A (en) * 1958-12-23 1961-04-12 Ici Ltd New monoazo dyestuffs of the azobenzine series
US3139422A (en) * 1961-10-11 1964-06-30 Ici Ltd Azo dyestuffs
DE1220061B (de) * 1962-08-10 1966-06-30 Bayer Ag Verfahren zur Herstellung von wasserunloeslichen Azofarbstoffen
BE636011A (de) * 1963-08-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544373A (en) * 1977-03-16 1985-10-01 Ciba-Geigy Corporation 2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1,1'-azobezene dyes

Also Published As

Publication number Publication date
US3398137A (en) 1968-08-20
NL128389C (de)
US3398135A (en) 1968-08-20
DE1644380A1 (de) 1970-12-10
NL6401354A (de) 1964-08-17
CH468444A (de) 1969-02-15
DE1295116B (de) 1969-05-14
DE1295115B (de) 1969-05-14
NL6401355A (de) 1964-08-17
US3342804A (en) 1967-09-19
ES296446A1 (es) 1964-07-16
GB1050675A (de)

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