GB324084A - Improvements in and relating to the production of anthraquinone vat dyestuffs - Google Patents

Improvements in and relating to the production of anthraquinone vat dyestuffs

Info

Publication number
GB324084A
GB324084A GB2379928A GB2379928A GB324084A GB 324084 A GB324084 A GB 324084A GB 2379928 A GB2379928 A GB 2379928A GB 2379928 A GB2379928 A GB 2379928A GB 324084 A GB324084 A GB 324084A
Authority
GB
United Kingdom
Prior art keywords
acid
relating
production
nitroanthraquinone
arylamine
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
GB2379928A
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.)
BRITISH ALIZARINE Co Ltd
PIERRE PRUDENT BEGHIN
Original Assignee
BRITISH ALIZARINE Co Ltd
PIERRE PRUDENT BEGHIN
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 BRITISH ALIZARINE Co Ltd, PIERRE PRUDENT BEGHIN filed Critical BRITISH ALIZARINE Co Ltd
Priority to GB2379928A priority Critical patent/GB324084A/en
Publication of GB324084A publication Critical patent/GB324084A/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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • C09B1/34—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

324,084. British Alizarine Co., Ltd., and Beghin, P. P. Aug. 18, 1928. Samples furnished. Anthraquinoneacridone vat-dyes are prepared by condensing 1-nitroanthraquinone-2-carboxylic acid or a derivative thereof with an arylamine having a free o-position to the amino group in presence of a weakly acid catalyst or condensing agent. The catalyst preferably used is boric acid and arsenious acid, oxalic acid or phthalic acid are also suitable. An inert solvent, such as nitrobenzene, or an excess of the arylamine may be present. In examples 1-nitroanthraquinone-2- carboxylic acid is heated with boric acid and (1) an excess of #-naphthylamine, (2) nitrobenzene and #-naphthylamine, #-toluidine or aniline. Specifications 894/11 and 260,588 are referred to.
GB2379928A 1928-08-18 1928-08-18 Improvements in and relating to the production of anthraquinone vat dyestuffs Expired GB324084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2379928A GB324084A (en) 1928-08-18 1928-08-18 Improvements in and relating to the production of anthraquinone vat dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2379928A GB324084A (en) 1928-08-18 1928-08-18 Improvements in and relating to the production of anthraquinone vat dyestuffs

Publications (1)

Publication Number Publication Date
GB324084A true GB324084A (en) 1930-01-20

Family

ID=10201499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2379928A Expired GB324084A (en) 1928-08-18 1928-08-18 Improvements in and relating to the production of anthraquinone vat dyestuffs

Country Status (1)

Country Link
GB (1) GB324084A (en)

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