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GB633215A - Azo pigments - Google Patents

Azo pigments

Info

Publication number
GB633215A
GB633215A GB3254447A GB3254447A GB633215A GB 633215 A GB633215 A GB 633215A GB 3254447 A GB3254447 A GB 3254447A GB 3254447 A GB3254447 A GB 3254447A GB 633215 A GB633215 A GB 633215A
Authority
GB
United Kingdom
Prior art keywords
tetrazotized
per cent
dianisidine
specifications
matter
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
GB3254447A
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.)
Imperial Chemical Industries Ltd
Original Assignee
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3254447A priority Critical patent/GB633215A/en
Publication of GB633215A publication Critical patent/GB633215A/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
    • C09B35/08—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

The subject-matter of this Specification corresponds to that of Specification 621,599, except that the molecular proportion of tetrazotized o-dianisidine is between 25 and 95 per cent of the total tetrazotized amine used. Specifications 441,091 and 517,456 are referred to.ALSO:The subject-matter of this Specification corresponds to that of Specification 621,599, except that the molecular proportion of tetrazotized o-dianisidine is between 25 and 95 per cent of the total tetrazotized amine used. Specifications 441,091 and 517,456 also are referred to.ALSO:The subject-matter of this Specification corresponds to that of Specification 621,599, except that the molecular proportion of tetrazotised o-dianisidine is between 25 per cent and 95 per cent of the total tetrazotised amine used. Specifications 441,091 and 517,456, [Group IV], are referred to.
GB3254447A 1947-12-10 1947-12-10 Azo pigments Expired GB633215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3254447A GB633215A (en) 1947-12-10 1947-12-10 Azo pigments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3254447A GB633215A (en) 1947-12-10 1947-12-10 Azo pigments

Publications (1)

Publication Number Publication Date
GB633215A true GB633215A (en) 1949-12-12

Family

ID=10340225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3254447A Expired GB633215A (en) 1947-12-10 1947-12-10 Azo pigments

Country Status (1)

Country Link
GB (1) GB633215A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941858A (en) * 1957-02-08 1960-06-21 Sandoz Ltd Mixtures of water-insoluble disazo dyestuffs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941858A (en) * 1957-02-08 1960-06-21 Sandoz Ltd Mixtures of water-insoluble disazo dyestuffs

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