GB1349728A – 2,4-dicyano-3,5-dimethylaniline
– Google Patents
GB1349728A – 2,4-dicyano-3,5-dimethylaniline
– Google Patents
2,4-dicyano-3,5-dimethylaniline
Info
Publication number
GB1349728A
GB1349728A
GB5771572A
GB5771572A
GB1349728A
GB 1349728 A
GB1349728 A
GB 1349728A
GB 5771572 A
GB5771572 A
GB 5771572A
GB 5771572 A
GB5771572 A
GB 5771572A
GB 1349728 A
GB1349728 A
GB 1349728A
Authority
GB
United Kingdom
Prior art keywords
dicyano
dimethylaniline
dinitrile
methylglutaconic
bayer
Prior art date
1971-05-25
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
GB5771572A
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.)
Bayer AG
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.)
1971-05-25
Filing date
1972-05-24
Publication date
1974-04-10
1971-05-25
Priority claimed from DE2125907A
external-priority
patent/DE2125907C3/en
1971-12-21
Priority claimed from DE19712163378
external-priority
patent/DE2163378A1/en
1972-05-24
Application filed by Bayer AG
filed
Critical
Bayer AG
1972-05-24
Priority claimed from GB2442272A
external-priority
patent/GB1349727A/en
1974-04-10
Publication of GB1349728A
publication
Critical
patent/GB1349728A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C09B44/00—Azo dyes containing onium groups
C09B44/02—Azo dyes containing onium groups containing ammonium groups not directly attached to an azo 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
C09B29/0003—Monoazo dyes prepared by diazotising and coupling from diazotized anilines
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
C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
C09B29/3617—Monoazo 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
C09B29/3621—Monoazo 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
C09B29/3626—Monoazo 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)
C09B29/363—Monoazo 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 amino carbocyclic rings
Abstract
1349728 2,4 – Dicyano – 3,5 – dimethylaniline BAYER AG 24 May 1972 [25 May 1971 21 Dec 1971] 57715/72 Divided out of 1349727 Heading C2C 2,4 – Dicyano – 3,5 – dimethylaniline is prepared when the dimerization product of 3-methylene-glutaric acid dinitrile or 3-methylglutaconic dinitrile of the formula C 12 H 12 N 4 is thermally decomposed. The C 12 H 12 N 4 may be warmed in a sublimation apparatus, in a vacuum of 0À01 to 50 mm. of Hg at a temperature of 150‹ to 250‹ C. and the 2,4-dicyano-3,5-dimethylaniline collected from the relatively cold areas of the apparatus. The 2,4-dicyano-3,5- dimethylaniline is claimed per se.
GB5771572A
1971-05-25
1972-05-24
2,4-dicyano-3,5-dimethylaniline
Expired
GB1349728A
(en)
Applications Claiming Priority (3)
Application Number
Priority Date
Filing Date
Title
DE2125907A
DE2125907C3
(en)
1971-05-25
1971-05-25
Azo dyes, processes for their production and processes for dyeing and / or printing fiber materials
DE19712163378
DE2163378A1
(en)
1971-12-21
1971-12-21
Yellow azo dyes contg substd 6-hydroxy-2-pyridone residues – for dyeing/printing hydrophobic fibres, eg polyesters
GB2442272A
GB1349727A
(en)
1971-05-25
1972-05-24
Azo dyestuffs
Publications (1)
Publication Number
Publication Date
GB1349728A
true
GB1349728A
(en)
1974-04-10
Family
ID=27183452
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5771572A
Expired
GB1349728A
(en)
1971-05-25
1972-05-24
2,4-dicyano-3,5-dimethylaniline
Country Status (1)
Country
Link
GB
(1)
GB1349728A
(en)
1972
1972-05-24
GB
GB5771572A
patent/GB1349728A/en
not_active
Expired
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Legal Events
Date
Code
Title
Description
1974-08-21
PS
Patent sealed
