GB502420A - Manufacture of new azo dyestuffs - Google Patents

Manufacture of new azo dyestuffs

Info

Publication number
GB502420A
GB502420A GB2521137A GB2521137A GB502420A GB 502420 A GB502420 A GB 502420A GB 2521137 A GB2521137 A GB 2521137A GB 2521137 A GB2521137 A GB 2521137A GB 502420 A GB502420 A GB 502420A
Authority
GB
United Kingdom
Prior art keywords
manufacture
azo dyestuffs
new azo
new
dyestuffs
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
GB2521137A
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.)
WILFRID HERBERT CLIFFE
Imperial Chemical Industries Ltd
Original Assignee
WILFRID HERBERT CLIFFE
Imperial Chemical Industries Ltd
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 WILFRID HERBERT CLIFFE, Imperial Chemical Industries Ltd filed Critical WILFRID HERBERT CLIFFE
Priority to GB2521137A priority Critical patent/GB502420A/en
Publication of GB502420A publication Critical patent/GB502420A/en
Expired legal-status Critical Current

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
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—
GB2521137A 1937-09-16 1937-09-16 Manufacture of new azo dyestuffs Expired GB502420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2521137A GB502420A (en) 1937-09-16 1937-09-16 Manufacture of new azo dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2521137A GB502420A (en) 1937-09-16 1937-09-16 Manufacture of new azo dyestuffs

Publications (1)

Publication Number Publication Date
GB502420A true GB502420A (en) 1939-03-16

Family

ID=10224013

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2521137A Expired GB502420A (en) 1937-09-16 1937-09-16 Manufacture of new azo dyestuffs

Country Status (1)

Country Link
GB (1) GB502420A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448853A (en) * 1945-12-29 1948-09-07 Eastman Kodak Co Sulfonamido disazo dye
DE3008086A1 (en) * 1979-03-15 1980-09-18 Sandoz Ag MONOMETAL COMPLEXES, THEIR PRODUCTION AND USE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448853A (en) * 1945-12-29 1948-09-07 Eastman Kodak Co Sulfonamido disazo dye
DE3008086A1 (en) * 1979-03-15 1980-09-18 Sandoz Ag MONOMETAL COMPLEXES, THEIR PRODUCTION AND USE
US4623720A (en) 1979-03-15 1986-11-18 Sandoz Ltd. 1:2 metal complexes of AZO compounds having a central substituted phenylenesulfonylaminophenylene radical

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