GB993095A - Water-insoluble monoazo dyestuffs - Google Patents

Water-insoluble monoazo dyestuffs

Info

Publication number
GB993095A
GB993095A GB3939763A GB3939763A GB993095A GB 993095 A GB993095 A GB 993095A GB 3939763 A GB3939763 A GB 3939763A GB 3939763 A GB3939763 A GB 3939763A GB 993095 A GB993095 A GB 993095A
Authority
GB
United Kingdom
Prior art keywords
dyes
water
insoluble monoazo
monoazo dyestuffs
groups
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
GB3939763A
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB993095A publication Critical patent/GB993095A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/32—Monoazo dyes prepared by diazotising and coupling from coupling components containing a reactive methylene group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention comprises water-insoluble monoazo dyes of formula <FORM:0993095/C4-C5/1> wherein R is a phenyl radical which may be substituted by halogen atoms or alkyl, alkoxy, nitro and/or sulphonamide groups and "Acyl" is an aromatic or aliphatic acyl radical which contains no water-solubilizing groups. The dyes are prepared by coupling an appropriate diazotized aminobenzene with a 1-acetoacetylamino-4-acylamino-benzene. The dyes are used as pigments in the coloration of lacquers, ink, resins and synthetic fibres in the mass and in pigment printing and give yellow to orange shades. The preparation of the dyes is described in examples.
GB3939763A 1962-10-30 1963-10-07 Water-insoluble monoazo dyestuffs Expired GB993095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0038187 1962-10-30

Publications (1)

Publication Number Publication Date
GB993095A true GB993095A (en) 1965-05-26

Family

ID=7097246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3939763A Expired GB993095A (en) 1962-10-30 1963-10-07 Water-insoluble monoazo dyestuffs

Country Status (3)

Country Link
CH (1) CH431760A (en)
DK (1) DK109459C (en)
GB (1) GB993095A (en)

Also Published As

Publication number Publication date
CH431760A (en) 1967-03-15
DK109459C (en) 1968-04-29

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