GB1001717A - Chromium-containing azo dyestuffs and process for their manufacture - Google Patents

Chromium-containing azo dyestuffs and process for their manufacture

Info

Publication number
GB1001717A
GB1001717A GB3712663A GB3712663A GB1001717A GB 1001717 A GB1001717 A GB 1001717A GB 3712663 A GB3712663 A GB 3712663A GB 3712663 A GB3712663 A GB 3712663A GB 1001717 A GB1001717 A GB 1001717A
Authority
GB
United Kingdom
Prior art keywords
complexes
hydrogen
chromium
dye
chlorine atom
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
GB3712663A
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.)
BASF Schweiz AG
Original Assignee
Ciba 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
Priority claimed from CH1187562A external-priority patent/CH429999A/en
Application filed by Ciba AG filed Critical Ciba AG
Publication of GB1001717A publication Critical patent/GB1001717A/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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/16—Monoazo compounds containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)
  • Developing Agents For Electrophotography (AREA)

Abstract

The invention comprises metal complexes that contain one chromium atom complexed with two molecules of different monoazo dyes, one being of formula <FORM:1001717/C4-C5/1> wherein R, Y and Z are a hydrogen or chlorine atom or a nitro group, but at most R and Y are simultaneously a nitro group and R may also be a C1-C5 alkyl or alkoxy group, and X is a hydrogen or chlorine atom, and the other being of formula <FORM:1001717/C4-C5/2> wherein one X is a sulphonic acid group and the others are hydrogen atoms, Y is a hydrogen atom or a nitro group and Z is a hydrogen or chlorine atom or a nitro or C1-C5 alkyl or alkoxy group and in which Y and Z must be different from each other. The complexes are prepared by reacting a 1 : 1-chromium complex of the second dye specified above with an equimolar proportion of the first dye. The complexes are used to dye natural and synthetic nitrogenous materials in blue or grey shades. The preparation of the complexes is described in an example and further complexes are specified in a table. Specification 765,355 is referred to.
GB3712663A 1962-10-10 1963-09-20 Chromium-containing azo dyestuffs and process for their manufacture Expired GB1001717A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1187562A CH429999A (en) 1962-10-10 1962-10-10 Process for the production of chromium-containing azo dyes
CH1092763A CH481185A (en) 1962-10-10 1963-09-04 Process for the production of chromium-containing azo dyes

Publications (1)

Publication Number Publication Date
GB1001717A true GB1001717A (en) 1965-08-18

Family

ID=25707547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3712663A Expired GB1001717A (en) 1962-10-10 1963-09-20 Chromium-containing azo dyestuffs and process for their manufacture

Country Status (6)

Country Link
AT (1) AT242825B (en)
CH (1) CH481185A (en)
DE (1) DE1264646B (en)
ES (1) ES292353A1 (en)
GB (1) GB1001717A (en)
NL (1) NL144972B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2033989C2 (en) * 1969-07-18 1985-05-09 Ciba-Geigy Ag, Basel Storage-stable concentrated solutions of metal complexes of azo or azo-azomethine dyes and their uses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE22157C (en) * H. PALM in Wien Safety bow for boats
DE850038C (en) * 1949-11-18 1952-09-22 Ciba Geigy Process for the production of monoazo dyes or their chromium complex compounds
FR1102028A (en) * 1953-06-10 1955-10-13 Ciba Geigy Nitrogen fiber dyeing process

Also Published As

Publication number Publication date
ES292353A1 (en) 1964-03-16
CH481185A (en) 1969-11-15
DE1264646B (en) 1968-03-28
AT242825B (en) 1965-10-11
NL144972B (en) 1975-02-17

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