GB191102615A - Manufacture of Polyazo-dyestuffs. - Google Patents

Manufacture of Polyazo-dyestuffs.

Info

Publication number
GB191102615A
GB191102615A GB191102615DA GB191102615A GB 191102615 A GB191102615 A GB 191102615A GB 191102615D A GB191102615D A GB 191102615DA GB 191102615 A GB191102615 A GB 191102615A
Authority
GB
United Kingdom
Prior art keywords
acid
brown
diaminodiphenylurea
diazotized
combining
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.)
Agfa Gevaert NV
Original Assignee
Aktiengesellschaft fuer Anilinfabrikation GmbH
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 Aktiengesellschaft fuer Anilinfabrikation GmbH filed Critical Aktiengesellschaft fuer Anilinfabrikation GmbH
Application granted granted Critical
Publication of GB191102615A publication Critical patent/GB191102615A/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

Landscapes

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

Abstract

2615. Akt.-Ges. f³r Anilin-Fabrikation. March 19, 1910, [Convention date]. Tetrakisazo dyes are obtained by combining two molecular proportions of a diazotized aminosulphonic acid of the benzene series with one molecular proportion of m-m'-diaminodiphenylurea or a homologue thereof, tetrazotizing the resulting primary disazo dye and combining with two molecular proportions of a m-diamine of the benzene series. The components specified are metanilic acid, sulphanilic acid, m-chloraniline-p-sulphonic acid; m-m<1>-diaminodiphenylurea, m-m<1>-diamino-p-p<1>-ditolylurea; m-phenylenediamine, m-toluylenediamine. The products dye cotton brown to red-brown tints, which on development on the fibre with diazotized pnitraniline become red-brown.
GB191102615D 1910-03-19 1911-02-01 Manufacture of Polyazo-dyestuffs. Expired GB191102615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191102615X 1910-03-19

Publications (1)

Publication Number Publication Date
GB191102615A true GB191102615A (en) 1911-09-28

Family

ID=32479280

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191102615D Expired GB191102615A (en) 1910-03-19 1911-02-01 Manufacture of Polyazo-dyestuffs.

Country Status (1)

Country Link
GB (1) GB191102615A (en)

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