GB209887A - A yellow colouring matter of the pyrazolone series - Google Patents

A yellow colouring matter of the pyrazolone series

Info

Publication number
GB209887A
GB209887A GB3142722A GB3142722A GB209887A GB 209887 A GB209887 A GB 209887A GB 3142722 A GB3142722 A GB 3142722A GB 3142722 A GB3142722 A GB 3142722A GB 209887 A GB209887 A GB 209887A
Authority
GB
United Kingdom
Prior art keywords
colouring matter
pyrazolone series
yellow colouring
yellow
pyrazolone
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
GB3142722A
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.)
Holliday Co Ltd L B
Original Assignee
Holliday Co Ltd L B
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 Holliday Co Ltd L B filed Critical Holliday Co Ltd L B
Priority to GB3142722A priority Critical patent/GB209887A/en
Publication of GB209887A publication Critical patent/GB209887A/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
    • C09B27/00—Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
    • C09B27/06—Tartrazines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

A yellow dyestuff for wool is obtained by combining the hydrazone from 2 : 5-dichlorphenylhydrazine-4-sulphonic acid and sodium dioxytartrate with phenylhydrazine-4-sulphonic acid. The product is probably a mixture of dyestuffs. Specifications 9858/85, 113,510, and 209,885 are referred to.
GB3142722A 1922-11-17 1922-11-17 A yellow colouring matter of the pyrazolone series Expired GB209887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3142722A GB209887A (en) 1922-11-17 1922-11-17 A yellow colouring matter of the pyrazolone series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3142722A GB209887A (en) 1922-11-17 1922-11-17 A yellow colouring matter of the pyrazolone series

Publications (1)

Publication Number Publication Date
GB209887A true GB209887A (en) 1924-01-24

Family

ID=10322934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3142722A Expired GB209887A (en) 1922-11-17 1922-11-17 A yellow colouring matter of the pyrazolone series

Country Status (1)

Country Link
GB (1) GB209887A (en)

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