GB469390A - Manufacture of an acid wool dyestuff of the anthraquinone series - Google Patents

Manufacture of an acid wool dyestuff of the anthraquinone series

Info

Publication number
GB469390A
GB469390A GB3557135A GB3557135A GB469390A GB 469390 A GB469390 A GB 469390A GB 3557135 A GB3557135 A GB 3557135A GB 3557135 A GB3557135 A GB 3557135A GB 469390 A GB469390 A GB 469390A
Authority
GB
United Kingdom
Prior art keywords
acid
amino
manufacture
anthraquinone series
acid wool
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
GB3557135A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB3557135A priority Critical patent/GB469390A/en
Publication of GB469390A publication Critical patent/GB469390A/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
    • C09B1/343—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated only sulfonated in the anthracene nucleus

Landscapes

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

Abstract

An acid wool dyestuff is made by condensing 2-amino-3,5-dichlorbenzoic acid with 1-amino-4-bromoanthraquinone-2-sulphonic acid. Examples described the condensation in presence of sodium bicarbonate and cuprous chloride. The product gives vivid blue tints, fast to light and washing. 2 - Amino - 3.5 - dichlorobenzoic acid is made by treating 5.7-dichlorisatin with caustic soda, and oxidizing with hydrogen peroxide.
GB3557135A 1935-12-23 1935-12-23 Manufacture of an acid wool dyestuff of the anthraquinone series Expired GB469390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3557135A GB469390A (en) 1935-12-23 1935-12-23 Manufacture of an acid wool dyestuff of the anthraquinone series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3557135A GB469390A (en) 1935-12-23 1935-12-23 Manufacture of an acid wool dyestuff of the anthraquinone series

Publications (1)

Publication Number Publication Date
GB469390A true GB469390A (en) 1937-07-23

Family

ID=10379204

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3557135A Expired GB469390A (en) 1935-12-23 1935-12-23 Manufacture of an acid wool dyestuff of the anthraquinone series

Country Status (1)

Country Link
GB (1) GB469390A (en)

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