GB1466435A - Method of preparing carbamoyl disazo-pigments - Google Patents

Method of preparing carbamoyl disazo-pigments

Info

Publication number
GB1466435A
GB1466435A GB4035474A GB4035474A GB1466435A GB 1466435 A GB1466435 A GB 1466435A GB 4035474 A GB4035474 A GB 4035474A GB 4035474 A GB4035474 A GB 4035474A GB 1466435 A GB1466435 A GB 1466435A
Authority
GB
United Kingdom
Prior art keywords
optionally substituted
diamines
pigments
sept
diphenylene
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
GB4035474A
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.)
VYZK USTAV ORGAN SYNTEZ
Vyzkumny Ustav Organickych Syntez AS
Original Assignee
VYZK USTAV ORGAN SYNTEZ
Vyzkumny Ustav Organickych Syntez AS
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 VYZK USTAV ORGAN SYNTEZ, Vyzkumny Ustav Organickych Syntez AS filed Critical VYZK USTAV ORGAN SYNTEZ
Publication of GB1466435A publication Critical patent/GB1466435A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/32—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines
    • C09B43/38—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines

Landscapes

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

Abstract

1466435 Disazo pigment mixtures VYZKUMNY USTAV ORGANICKYCH SYNTEZ 17 Sept 1974 [20 Sept 1973] 40354/74 Heading C4P A mixture of at least two pigments of Formula II where R is H or NO 2 , A is optionally substituted phenylene or diphenylene and B is optionally substituted phenyl is prepared by reacting a compound of Formula III which contains no water-solubilizing groups with a mixture of at least two diamines which are selected from optionally substituted phenylene diamines and diphenylene diamines which contain no water-solubilizing groups. The reaction may be carried out in the presence of an inert anhydrous organic solvent and/or an acid-binding agent. The pigment mixtures give red and brown shades when used to colour high molecular weight materials, e.g. viscose, cellulose ethers and esters, polyamides, polyurethanes, polyesters, varnishes, nitrocellulose, aminoplasts, alkyd resins, phenolplasts, polystyrene, PVC, polyethylene, polyacrylonitrile, polypropylene, natural rubber and silicone products.
GB4035474A 1973-09-20 1974-09-17 Method of preparing carbamoyl disazo-pigments Expired GB1466435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS646773A CS162345B1 (en) 1973-09-20 1973-09-20

Publications (1)

Publication Number Publication Date
GB1466435A true GB1466435A (en) 1977-03-09

Family

ID=5411782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4035474A Expired GB1466435A (en) 1973-09-20 1974-09-17 Method of preparing carbamoyl disazo-pigments

Country Status (4)

Country Link
CH (1) CH599972A5 (en)
CS (1) CS162345B1 (en)
DE (1) DE2444838A1 (en)
GB (1) GB1466435A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185435A (en) * 1991-02-07 1993-02-09 Ciba-Geigy Corporation Process for the preparation of bisazo pigments in halogen-free solvents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5185435A (en) * 1991-02-07 1993-02-09 Ciba-Geigy Corporation Process for the preparation of bisazo pigments in halogen-free solvents

Also Published As

Publication number Publication date
CS162345B1 (en) 1975-07-15
CH599972A5 (en) 1978-06-15
DE2444838A1 (en) 1975-04-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee