GB287479A - Manufacture of azo-dyestuffs - Google Patents
Manufacture of azo-dyestuffsInfo
- Publication number
- GB287479A GB287479A GB5747/28A GB574728A GB287479A GB 287479 A GB287479 A GB 287479A GB 5747/28 A GB5747/28 A GB 5747/28A GB 574728 A GB574728 A GB 574728A GB 287479 A GB287479 A GB 287479A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methylbenzene
- amino
- acid
- oxynaphthoic acid
- dichloro
- 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
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
- C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
- C09B29/18—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides
- C09B29/20—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group ortho-Hydroxy carbonamides of the naphthalene series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
287,479. I. G. Farbenindustrie Akt.- Ges. March 21, 1927, [Convention date]. Monoazo and disazo dyes ; lakes.-Azo dyestuffs fast to kier-boiling, to chlorine, and to light are produced in substance, on a substratum, or on a vegetable fibre by coupling a diazotized dihalogen-m-toluidine with a component capable of being taken up by the fibre, such as an arylide of 2 : 3-oxynaphthoic acid or of a #-ketocarboxylic acid. In examples the following dyestuffs yielding dyeings of the colours stated are produced on cotton yarn by treating the yarn first with an aoueous grounding liquor containing the coupling component, caustic soda, Turkey red oil, and formaldehyde, and thereafter developing in a bath containina the diazotized dihalogen-mtoluidine. and sodium acetate :-1-amino-2 : 4- dichlor-3-methylbenzene # the 4<1>-chloro-2<1>- anisidide of 2: 3-oxynaphthoic acid. vivid scarlet; 1-amino-4 : 6-dichloro-3-methylbenzene # the 2<1>-naphthalid of 2 : 3-oxynaphthoic acid. vivid red; 1-amino-4 : 6-dichloro-3-methylbenzene # the 2<1> : 5<1>-dimethoxy-1<1>-anilide of 2 : 3-oxynaphthoic acid, medium red; 1-amino-4 : 6-dichloro-3-methylbenzene # the 4<1>-anisidide of 2 : 3-oxynaphthoic acid, red; 1-amino-4 : 5-dichloro-3-methylbenzene # the 5'-chloro-2'- anisidide of 2 : 3-oxynaphthoic acid, vivid yellowish-scarlet; 1-amino-2 : 5-dichloro-3-methylbenzene # the 2<1> : 5<1>-dimethoxy-1<1>-anilide of 2 : 3-oxynaphthoic acid, brownish-orange ; 1- amino-4 : 5-dibromo-3-methylbenzene # the 5<1>- chloro-2<1>-toluidide of 2 : 3-oxynapthoic acid, vivid scarlet; 1-amino-4- : 6-dibromo-3-methylbenzene # the o-tolidide of diacetoacetic acid, reddishyellow ; 1-amina-4 : 6-dibromo-3-methylbenzene # the 1<1>-naphthalide of 2 :3-oxynaphthoic acid, bluish red. Specifications 6379/12; 13110/13; 17279/13, [Class 15 (ii), Dyeing, Processes &c. for] ; and 210,217 are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE287479X | 1927-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB287479A true GB287479A (en) | 1929-06-24 |
Family
ID=6059305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5747/28A Expired GB287479A (en) | 1927-03-21 | 1928-02-23 | Manufacture of azo-dyestuffs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB287479A (en) |
-
1928
- 1928-02-23 GB GB5747/28A patent/GB287479A/en not_active Expired
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