GB1537383A - Disazo dye derived from a tetrachloro benzidine - Google Patents
Disazo dye derived from a tetrachloro benzidineInfo
- Publication number
- GB1537383A GB1537383A GB1240276A GB1240276A GB1537383A GB 1537383 A GB1537383 A GB 1537383A GB 1240276 A GB1240276 A GB 1240276A GB 1240276 A GB1240276 A GB 1240276A GB 1537383 A GB1537383 A GB 1537383A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tetrachlorobenzidine
- march
- isolation
- heating
- disazo dye
- 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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
- C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
- C09B35/18—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from heterocyclic compounds
- C09B35/185—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from heterocyclic compounds from pyridine or pyridone components
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752513578 DE2513578C3 (de) | 1975-03-27 | 2,6-Dioxy-3-cyan-4-methylpyridin-Disazofarbstoff, Verfahren zu seiner Herstellung und seine Verwendung für Druckfarben und Lacke |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1537383A true GB1537383A (en) | 1978-12-29 |
Family
ID=5942551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1240276A Expired GB1537383A (en) | 1975-03-27 | 1976-03-26 | Disazo dye derived from a tetrachloro benzidine |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH581171A5 (da) |
DK (1) | DK140642B (da) |
FR (1) | FR2305472A1 (da) |
GB (1) | GB1537383A (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4609726A (en) * | 1983-03-18 | 1986-09-02 | Basf Aktiengesellschaft | Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH500267A (de) * | 1968-03-01 | 1970-12-15 | Basf Ag | Verfahren zur Herstellung neuer Disazofarbstoffe |
GB1285339A (en) * | 1968-12-09 | 1972-08-16 | Ici Ltd | New water-insoluble disazo dyestuffs containing 2-hydroxy-3-azo-6-pyridone residues |
-
1976
- 1976-02-27 CH CH245976A patent/CH581171A5/xx not_active IP Right Cessation
- 1976-03-25 FR FR7608672A patent/FR2305472A1/fr active Granted
- 1976-03-26 DK DK136576A patent/DK140642B/da not_active IP Right Cessation
- 1976-03-26 GB GB1240276A patent/GB1537383A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4609726A (en) * | 1983-03-18 | 1986-09-02 | Basf Aktiengesellschaft | Disazo dyes derived from 3,3'-dihalo-5,5'-dichlorobenzidine |
Also Published As
Publication number | Publication date |
---|---|
FR2305472A1 (fr) | 1976-10-22 |
DK140642B (da) | 1979-10-15 |
DE2513578A1 (de) | 1976-09-30 |
CH581171A5 (da) | 1976-10-29 |
DK140642C (da) | 1980-03-31 |
FR2305472B1 (da) | 1979-04-20 |
DK136576A (da) | 1976-09-28 |
DE2513578B2 (de) | 1977-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |