GB191325547A - Improvements in and relating to Azo Dyestuffs. - Google Patents

Improvements in and relating to Azo Dyestuffs.

Info

Publication number
GB191325547A
GB191325547A GB191325547DA GB191325547A GB 191325547 A GB191325547 A GB 191325547A GB 191325547D A GB191325547D A GB 191325547DA GB 191325547 A GB191325547 A GB 191325547A
Authority
GB
United Kingdom
Prior art keywords
combining
diazotizing
levinstein
relating
azo 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
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.)
LEVINSTEIN Ltd
Original Assignee
LEVINSTEIN 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 LEVINSTEIN Ltd filed Critical LEVINSTEIN Ltd
Application granted granted Critical
Publication of GB191325547A publication Critical patent/GB191325547A/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
    • C09B35/50—Tetrazo dyes

Landscapes

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

Abstract

25,547. Levinstein, H., Baddiley, J., and Levinstein, Ltd. Nov. 8. Substantive-dye processes.-Fast green shades are obtained by after-treating with formaldehyde vegetable fibre dyed with the tetrakisazo dyes produced by diazotizing an acetyl-p-diamine, combining with a middle component, rediazotizing and combining with 2:8:6-aminonaphthol sulphonic acid, again diazotizing and combining with alpha-methylindole or a pyrazolone, then saponifying, diazotizing, and combining with resorcin or m-aminophenol.
GB191325547D 1913-11-08 1913-11-08 Improvements in and relating to Azo Dyestuffs. Expired GB191325547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191325547T 1913-11-08

Publications (1)

Publication Number Publication Date
GB191325547A true GB191325547A (en) 1914-11-05

Family

ID=32580411

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191325547D Expired GB191325547A (en) 1913-11-08 1913-11-08 Improvements in and relating to Azo Dyestuffs.

Country Status (1)

Country Link
GB (1) GB191325547A (en)

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