CH395017A - Verfahren zum Färben oder Bedrucken von Textilfasern aus aromatischen Polyestern, synthetischen Polyamiden oder Polyurethanen mit Azofarbstoffen - Google Patents

Verfahren zum Färben oder Bedrucken von Textilfasern aus aromatischen Polyestern, synthetischen Polyamiden oder Polyurethanen mit Azofarbstoffen

Info

Publication number: CH395017A
Authority: CH; Switzerland
Prior art keywords: sep; dyeing; aromatic polyesters; textile fibers; fibers made
Prior art date: 1959-05-16

Application number

CH474960A

Other languages

German (de)

English (en)

Other versions

CH474960A4 (cs

Inventor

Winfried Dr Kruckenberg

Konrad Dr Weis

Original Assignee

Bayer 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.)

1959-05-16

Filing date

1960-04-27

Publication date

1965-12-15

1960-04-27 Application filed by Bayer Ag filed Critical Bayer Ag

1963-08-30 Publication of CH474960A4 publication Critical patent/CH474960A4/xx

1965-12-15 Publication of CH395017A publication Critical patent/CH395017A/de

Links

239000004952 Polyamide Substances 0.000 title claims description 12
229920002647 polyamide Polymers 0.000 title claims description 12
229920000728 polyester Polymers 0.000 title claims description 12
239000000835 fiber Substances 0.000 title claims description 11
238000004043 dyeing Methods 0.000 title claims description 9
238000000034 method Methods 0.000 title claims description 8
125000003118 aryl group Chemical group 0.000 title claims description 7
239000000987 azo dye Substances 0.000 title claims description 7
239000004753 textile Substances 0.000 title claims description 5
229920002635 polyurethane Polymers 0.000 title claims description 4
239000004814 polyurethane Substances 0.000 title claims description 4
-1 polyethylene terephthalates Polymers 0.000 claims description 6
230000002378 acidificating effect Effects 0.000 claims description 4
125000004432 carbon atom Chemical group C* 0.000 claims description 4
229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
229910052736 halogen Inorganic materials 0.000 claims description 3
150000002367 halogens Chemical class 0.000 claims description 3
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
125000000217 alkyl group Chemical group 0.000 claims description 2
229910052739 hydrogen Inorganic materials 0.000 claims description 2
239000001257 hydrogen Substances 0.000 claims description 2
125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
229910052717 sulfur Inorganic materials 0.000 claims description 2
239000011593 sulfur Substances 0.000 claims description 2
125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims 1
239000000975 dye Substances 0.000 description 19
WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
230000008878 coupling Effects 0.000 description 6
238000010168 coupling process Methods 0.000 description 6
238000005859 coupling reaction Methods 0.000 description 6
229920006306 polyurethane fiber Polymers 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
229960000583 acetic acid Drugs 0.000 description 3
125000003277 amino group Chemical group 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
150000003254 radicals Chemical class 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
125000002843 carboxylic acid group Chemical group 0.000 description 2
125000004093 cyano group Chemical group *C#N 0.000 description 2
125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 2
125000005429 oxyalkyl group Chemical group 0.000 description 2
LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
238000003756 stirring Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
RIYSFSQPHCAGLS-UHFFFAOYSA-N 2-amino-3,5-dinitrobenzonitrile Chemical compound NC1=C(C#N)C=C([N+]([O-])=O)C=C1[N+]([O-])=O RIYSFSQPHCAGLS-UHFFFAOYSA-N 0.000 description 1
RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
206010039587 Scarlet Fever Diseases 0.000 description 1
VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
229940092714 benzenesulfonic acid Drugs 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
229920002301 cellulose acetate Polymers 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
229940106681 chloroacetic acid Drugs 0.000 description 1
239000007859 condensation product Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
235000014113 dietary fatty acids Nutrition 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000000194 fatty acid Substances 0.000 description 1
229930195729 fatty acid Natural products 0.000 description 1
150000004665 fatty acids Chemical class 0.000 description 1
NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
239000012362 glacial acetic acid Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
125000004433 nitrogen atom Chemical group N* 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
229920002239 polyacrylonitrile Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
239000000344 soap Substances 0.000 description 1
239000001632 sodium acetate Substances 0.000 description 1
235000017281 sodium acetate Nutrition 0.000 description 1
235000010288 sodium nitrite Nutrition 0.000 description 1
238000000859 sublimation Methods 0.000 description 1
230000008022 sublimation Effects 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
210000002268 wool Anatomy 0.000 description 1

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
- 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
- C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
- 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
- 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
- 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
- D06P1/02—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 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
- 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
- D06P1/02—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 azo dyes
- D06P1/04—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 azo dyes not containing metal
- 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
- D06P1/02—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 azo dyes
- D06P1/04—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 azo dyes not containing metal
- D06P1/08—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 azo dyes not containing metal cationic 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
- 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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- 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
- D06P3/041—Material containing basic nitrogen containing amide groups using basic 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
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/043—Material containing basic nitrogen containing amide groups using dispersed 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
- D06P3/52—Polyesters
- 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
- D06P3/52—Polyesters
- D06P3/522—Polyesters using basic 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
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Coloring (AREA)

CH474960A 1959-05-16 1960-04-27 Verfahren zum Färben oder Bedrucken von Textilfasern aus aromatischen Polyestern, synthetischen Polyamiden oder Polyurethanen mit Azofarbstoffen CH395017A (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DEF0028462		1959-05-16
DEF0028687		1959-06-13
DEF0030013		1959-12-05
DEF0030437		1960-02-02

Publications (2)

Publication Number	Publication Date
CH474960A4 CH474960A4 (cs)	1963-08-30
CH395017A true CH395017A (de)	1965-12-15

Family

ID=27436861

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH474960A CH395017A (de)	1959-05-16	1960-04-27	Verfahren zum Färben oder Bedrucken von Textilfasern aus aromatischen Polyestern, synthetischen Polyamiden oder Polyurethanen mit Azofarbstoffen

Country Status (3)

Country	Link
BE (1)	BE590760A (cs)
CH (1)	CH395017A (cs)
NL (1)	NL7101440A (cs)

1960
- 1960-04-27 CH CH474960A patent/CH395017A/de unknown
- 1960-05-12 BE BE590760A patent/BE590760A/fr unknown
1971
- 1971-02-03 NL NL7101440A patent/NL7101440A/xx unknown

Also Published As

Publication number	Publication date
NL7101440A (cs)	1971-08-25
BE590760A (fr)	1960-09-01
CH474960A4 (cs)	1963-08-30

Publication	Publication Date	Title
DE1220061B (de)	1966-06-30	Verfahren zur Herstellung von wasserunloeslichen Azofarbstoffen
DE3615093A1 (de)	1987-11-05	Diaminopyridin-azofarbstoffe mit acyloxy-resten
CH636369A5 (de)	1983-05-31	Faerbestabile mischungen von dispersionsfarbstoffen.
DE3826441A1 (de)	1989-02-16	Morpholinophenyl-kuppler tragende monoazoverbindungen und deren verwendung als dispersionsfarbstoffe
DE3012863A1 (de)	1981-10-08	Farbstoffmischung, verfahren zu ihrer herstellung, sie enthaltende farbstoffe und verfahren zum faerben und bedrucken von synthetischem, hydrophobem fasermaterial
DE1644150A1 (de)	1971-03-25	Wasserunloesliche Azofarbstoffe und Verfahren zu deren Herstellung und Verwendung
DE2801951A1 (de)	1979-07-19	Azofarbstoffe
DE1644052A1 (de)	1971-03-25	Verfahren zur Herstellung von neuen,wasserunloeslichen Azofarbstoffen
DE1644373A1 (de)	1970-09-03	Monoazofarbstoffe,ihre Herstellung und Verwendung
DE1644327A1 (de)	1971-04-15	Verfahren zur Herstellung von Azofarbstoffen
DE2050900A1 (de)	1971-04-29	In Wasser schwer losliche Azover bindungen, ihre Herstellung und Ver wendung
DE2111734A1 (de)	1971-09-16	Azofarbstoffe,Verfahren zu ihrer Herstellung und ihre Verwendung
CH474960A (de)	1969-07-15	Verfahren zur Herstellung von Fischprotein
DE1644168C3 (cs)	1975-01-16
DE2241465C2 (de)	1974-09-26	Monoazofarbstoffe, Verfahren zu deren Herstellung und deren Verwendung
DE1544560C3 (cs)	1975-01-30
AT227852B (de)	1963-06-10	Verfahren zur Herstellung neuer wasserunlöslicher Monoazofarbstoffe
CH426055A (de)	1966-12-15	Verfahren zur Herstellung von in Wasser schwerlöslichen Azofarbstoffen
EP0014451A1 (de)	1980-08-20	Verfahren zum Färben und Bedrucken von hydrophoben, synthetischen, organischen Fasermaterialien mit wasserunlöslichen Azofarbstoffen
DE1644333C (de)	1972-11-30	Verfahren zur Herstellung von Dispersionsfarbstoffen der Monoazoreihe
DE1644234A1 (de)	1971-05-06	Neue wasserunloesliche Monoazofarbstoffe und Verfahren zu ihrer Herstellung
DE2631525A1 (de)	1977-02-10	Neue farbstoffe
DE2010491B2 (de)	1973-02-15	In wasser loesliche azofarbstoffe und ihre verwendung
CH502413A (de)	1971-01-31	Verfahren zur Herstellung von wasserlöslichen Azofarbstoffen
DE2637776B2 (de)	1977-11-17	Monoazofarbstoffe, verfahren zu ihrer herstellung und ihre verwendung zum faerben