GB1332705A – Azo pigments
– Google Patents
GB1332705A – Azo pigments
– Google Patents
Azo pigments
Info
Publication number
GB1332705A
GB1332705A
GB5626470A
GB5626470A
GB1332705A
GB 1332705 A
GB1332705 A
GB 1332705A
GB 5626470 A
GB5626470 A
GB 5626470A
GB 5626470 A
GB5626470 A
GB 5626470A
GB 1332705 A
GB1332705 A
GB 1332705A
Authority
GB
United Kingdom
Prior art keywords
solvent
less
acid
azo pigments
acids
Prior art date
1969-11-27
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
GB5626470A
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.)
Novartis AG
Original Assignee
Ciba Geigy 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.)
1969-11-27
Filing date
1970-11-26
Publication date
1973-10-03
1970-11-26
Application filed by Ciba Geigy AG
filed
Critical
Ciba Geigy AG
1973-10-03
Publication of GB1332705A
publication
Critical
patent/GB1332705A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C09B41/00—Special methods of performing the coupling reaction
C09B41/006—Special methods of performing the coupling reaction characterised by process features
C09B41/009—Diazotising and coupling in one step
Abstract
1332705 Preparation of azo pigments CIBAGEIGY AG 26 Nov 1970 [27 Nov 1969] 56264/70 Heading C4P Metal-free azo pigments containing no sulphenic acid groups are prepared by adding an ester of nitrous acid at -50‹- + 100‹ C. to an anhydrous reaction mixture comprising (a) a diazotizable amine, (b) a coupling component, (c) an organic acid having- a PKa value of less than 3À0, and (d) one or more organic, non-water soluble solvents having a dielectric constant of less than 15, the molar ratio (c)/(a) being less ‘than 1. The solvents used in the process are suitably aliphatic, optionally halogenated hydrocarbons e.g. chloroform and chlorobenzene. Mixtures consisting of a solvent having a boiling point below 90‹ C. and a high boiling solvent having a boiling point above 130‹ C. may also be used. The nitrous acid esters are particularly those of primary or secondary alcohols having 1-10 carbon atoms and may be liquid or gaseous. Suitable organic acids are α-halogenated aliphatic carboxylic acids having 2-6 carbon atoms, preferably polyhalogenated acids e.g. trichloroacetic acid. The pigments produced may be optionally subjected to a heat treatment, either in the solvent in which the process is effected or in a different solvent.
GB5626470A
1969-11-27
1970-11-26
Azo pigments
Expired
GB1332705A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
CH1761469A
CH530449A
(en)
1969-11-27
1969-11-27
Process for the preparation of azo compounds
Publications (1)
Publication Number
Publication Date
GB1332705A
true
GB1332705A
(en)
1973-10-03
Family
ID=4426758
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5626470A
Expired
GB1332705A
(en)
1969-11-27
1970-11-26
Azo pigments
Country Status (11)
Country
Link
JP
(1)
JPS4813691B1
(en)
BE
(1)
BE759438A
(en)
BR
(1)
BR7024175D0
(en)
CH
(1)
CH530449A
(en)
DE
(1)
DE2058299B2
(en)
DK
(1)
DK130416B
(en)
ES
(1)
ES385923A1
(en)
FR
(1)
FR2068684B1
(en)
GB
(1)
GB1332705A
(en)
NL
(1)
NL7017322A
(en)
ZA
(1)
ZA708009B
(en)
Families Citing this family (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2603836C3
(en)
1976-02-02
1980-09-04
Cassella Ag, 6000 Frankfurt
Process for the production of azo dyes
US4496481A
(en)
*
1980-12-23
1985-01-29
Ciba-Geigy Corporation
Production of azo compounds
EP0341325B1
(en)
*
1988-05-07
1991-12-11
BASF Aktiengesellschaft
Process for the manufacture of liquid preparations of basic azodyes
US4952680A
(en)
*
1987-04-23
1990-08-28
Basf Aktiengesellschaft
Preparation of stable solutions of azo dyes of m-phenylenediamine by reaction with formic acid
EP0341324B1
(en)
*
1988-05-07
1991-12-11
BASF Aktiengesellschaft
Process for the manufacture of colour stable solutions of azo dyes
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CH514654A
(en)
*
1968-05-30
1971-10-31
Ciba Geigy Ag
Process for the production of metal-free azo pigments
0
BE
BE759438D
patent/BE759438A/en
unknown
1969
1969-11-27
CH
CH1761469A
patent/CH530449A/en
not_active
IP Right Cessation
1970
1970-11-24
DK
DK597270AA
patent/DK130416B/en
unknown
1970-11-26
GB
GB5626470A
patent/GB1332705A/en
not_active
Expired
1970-11-26
BR
BR224175/70A
patent/BR7024175D0/en
unknown
1970-11-26
JP
JP45103973A
patent/JPS4813691B1/ja
active
Pending
1970-11-26
ES
ES385923A
patent/ES385923A1/en
not_active
Expired
1970-11-26
DE
DE2058299A
patent/DE2058299B2/en
not_active
Ceased
1970-11-26
NL
NL7017322A
patent/NL7017322A/xx
unknown
1970-11-26
FR
FR7042525A
patent/FR2068684B1/fr
not_active
Expired
1970-11-26
ZA
ZA708009A
patent/ZA708009B/en
unknown
Also Published As
Publication number
Publication date
BE759438A
(en)
1971-05-26
FR2068684A1
(en)
1971-08-27
FR2068684B1
(en)
1975-06-06
BR7024175D0
(en)
1973-05-17
DE2058299A1
(en)
1971-06-03
ES385923A1
(en)
1973-05-01
DK130416B
(en)
1975-02-17
NL7017322A
(en)
1971-06-01
CH530449A
(en)
1972-11-15
ZA708009B
(en)
1971-08-25
JPS4813691B1
(en)
1973-04-28
DK130416C
(en)
1975-07-14
DE2058299B2
(en)
1979-02-01
Similar Documents
Publication
Publication Date
Title
JPH03120237A
(en)
1991-05-22
Production of mixture of oily soluble iron salt and magnesium salt of saturated aliphatic monocarboxylic acid, and its use
GB1332705A
(en)
1973-10-03
Azo pigments
GB8716159D0
(en)
1987-08-12
Basic salt
JPS5239643A
(en)
1977-03-28
A process for preparing terephtalic acid
JPS5338690A
(en)
1978-04-08
Isolation of co-enzyme q
JPS51135901A
(en)
1976-11-25
Process for producing coke
GB1238942A
(en)
1971-07-14
JPS57197244A
(en)
1982-12-03
Preparation of 2-hydroxynaphthalene-3-carboxylic acid
JPS5258791A
(en)
1977-05-14
Process for preparing adducts of maleic anhydride with liquid polymers
JPS5716004A
(en)
1982-01-27
Production of partial amide of poly(olefin/maleic acid)
JPS5759970A
(en)
1982-04-10
Water-based ink
JPS5223034A
(en)
1977-02-21
Process for preparation of addition product of aromatic dicarboxylic a cid with alkylene oxide
ES483369A1
(en)
1980-04-16
Process for the preparation of glycidyl esters of maleic acid.
JPS539701A
(en)
1978-01-28
Preparation of epoxy compounds
JPS5281396A
(en)
1977-07-07
Preparation of curable resins
JPS54137086A
(en)
1979-10-24
Elimination of monomer from vinyl chloride compound
JPS5251494A
(en)
1977-04-25
A process for preparing polyester
ES268016A1
(en)
1961-11-16
Process for the manufacture of linear quinacridone
JPS5246018A
(en)
1977-04-12
Process for preparation of farnesyl acetates
JPS51131522A
(en)
1976-11-16
A process for preparing perinone dyes
JPS525745A
(en)
1977-01-17
Process for preparation of tetrabromobisphenols
JPS5257111A
(en)
1977-05-11
Process for organic carboxylic acid silver
JPS5753525A
(en)
1982-03-30
Preparation of halogen-containing polycarbonate resin
JPS5251317A
(en)
1977-04-25
Process for preparation of methacrylic acid
JPS552651A
(en)
1980-01-10
Heterocyclic benzamide compound and its preparation
Legal Events
Date
Code
Title
Description
1974-02-13
PS
Patent sealed
1983-06-29
PCNP
Patent ceased through non-payment of renewal fee
