GB191326908A - Manufacture of Azo Dyes. - Google Patents

Manufacture of Azo Dyes.

Info

Publication number
GB191326908A
GB191326908A GB191326908DA GB191326908A GB 191326908 A GB191326908 A GB 191326908A GB 191326908D A GB191326908D A GB 191326908DA GB 191326908 A GB191326908 A GB 191326908A
Authority
GB
United Kingdom
Prior art keywords
acid
sulphonic acid
amino
oxybenzene
aminophenol
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
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.)
Novartis AG
Original Assignee
JR Geigy 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
Application filed by JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of GB191326908A publication Critical patent/GB191326908A/en
Expired legal-status Critical Current

Links

Landscapes

  • Developing Agents For Electrophotography (AREA)
  • Luminescent Compositions (AREA)
  • Coloring (AREA)

Abstract

26,908. Anilinfarben- & Extract- Fabriken vorm. J. R. Geigy. Dec. 13, 1912, [Convention date]. [Addition to 26,866/12.] Azo dyes.-The azo dyes derived from diazotized aminophenols or their substitution products are converted into arylsulphonic esters @@ the manner described in the parent Specification. Products are specified obtained by the action of p-toluenesulphochloride, m-nitrobenzenesulphochloride, or p-chlorbenzenesulphochloride on the following parent dyes:-monoazo dyes from: o- or p-aminophenol, 4-amino-2- oxy-1-methylbenzene, or 4-chlor-2-amino-1-oxybenzene, and 1-p-sulphophenyl-3-methyl-5-pyrazolone, 2-amino-1-oxybenzene-4-sulphonic acid and 1-phenyl-3-methyl-5-pyrazolone, 3-amino- 1-oxybenzene-4-sulphonic acid and #-naphthol, 4-chlor-2-amino-1-oxybenzene and 2:5: 7-aminonaphthol sulphonic acid, m-aminophenol and 2- naphthol-6-sulphonic acid; primary disazo dyes from: p-aminophenol (acid coupling), aniline (alkaline coupling) and 1:8-aminonaphthol- 4:6-disulphonic acid; m-aminophenol (acid coupling), o-chloraniline (alkaline coupling) and 1:8:4:6-acid; 4-chlor-2-amino-1-oxybenzene (acid coupling), m-nitraniline (alkaline coupling), and 1:8:4:6-acid; secondary disazo dyes from: m-aminophenol, 1-naphthylamine-7-sulphonic acid. and 2-naphthol-6-sulphonic acid; 4-chlor-2-amino-1-oxybenzene, 1-naphthylamine- 7-sulphonic acid, and 2-naphthol-6-sulphonic acid : p-aminophenol, 1-naphthylamine-7-sulphonic acid, and 2:8: 6-aminonaphthol sulphonic acid (acid coupling). The products dye wool or silk yellow, orange, violet, grey, black, &c. shades. Lakes can be obtained by the usual methods from some of the dyes described above.
GB191326908D 1912-01-31 1913-11-22 Manufacture of Azo Dyes. Expired GB191326908A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE261047T 1912-01-31
DE191326908X 1912-12-13

Publications (1)

Publication Number Publication Date
GB191326908A true GB191326908A (en) 1914-04-23

Family

ID=32852115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191326908D Expired GB191326908A (en) 1912-01-31 1913-11-22 Manufacture of Azo Dyes.

Country Status (1)

Country Link
GB (1) GB191326908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657203A (en) * 1949-07-18 1953-10-27 Ciba Ltd Monoazo dyestuffs of the pyrazolone series

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657203A (en) * 1949-07-18 1953-10-27 Ciba Ltd Monoazo dyestuffs of the pyrazolone series

Similar Documents

Publication Publication Date Title
GB191326908A (en) Manufacture of Azo Dyes.
US2659721A (en) Trisazo dyestuffs
US1975411A (en) Azodyestuff
GB191225866A (en) Manufacture of Azo Dyes.
GB458843A (en) The manufacture of azodyestuffs capable of forming metallic complex compounds
GB266533A (en) Manufacture of diazotizable azo-dyestuffs and intermediate products therefor
GB191517607A (en) Manufacture of New Chromable Green Secondary Disazo Dyestuffs.
GB409775A (en) The manufacture of new azo dyestuffs
GB338672A (en) Manufacture of azo-dyestuffs
GB191209843A (en) Improvements in the Manufacture and Production of Azo Colouring Matter.
GB191113076A (en) Improvements in the Production of Azo Colouring Matters on Fibre.
GB190403096A (en) Improvements in the Manufacture of Azo Dyestuffs.
GB390529A (en) Tetrakisazo dyestuffs
GB684352A (en) A new azo dyestuff
GB275220A (en) Manufacture of azo-dyestuffs
GB265203A (en) Manufacture of mordant dyeing dyestuffs
GB191125903A (en) Improvements in the Manufacture and Production of Azo Colouring Matters.
GB245128A (en) The manufacture of new azo-dyestuffs
GB245765A (en) The manufacture of new azo-dyestuffs
GB298494A (en) Manufacture and application of dyestuffs containing metal
GB419670A (en) Manufacture of azo dyestuffs
GB191223427A (en) Manufacture of Bluish-red Colour Lakes.
GB253488A (en) Manufacture of azo-dyestuffs
GB397693A (en) Manufacture of mono-azo-dyestuffs
GB879235A (en) Copper-containing azo dyestuffs