FR2440970A1 - Procede de production de colorants azoiques - Google Patents

Procede de production de colorants azoiques

Info

Publication number
FR2440970A1
FR2440970A1 FR7927044A FR7927044A FR2440970A1 FR 2440970 A1 FR2440970 A1 FR 2440970A1 FR 7927044 A FR7927044 A FR 7927044A FR 7927044 A FR7927044 A FR 7927044A FR 2440970 A1 FR2440970 A1 FR 2440970A1
Authority
FR
France
Prior art keywords
achydonic
copulation
accelerator
conducting
acids
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.)
Granted
Application number
FR7927044A
Other languages
English (en)
Other versions
FR2440970B1 (fr
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 FR2440970A1 publication Critical patent/FR2440970A1/fr
Application granted granted Critical
Publication of FR2440970B1 publication Critical patent/FR2440970B1/fr
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
    • C09B41/00—Special methods of performing the coupling reaction
    • C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium

Abstract

L'INVENTION A TRAIT AU DOMAINE DE LA CHIMIE DES COLORANTS. ELLE CONCERNE UN PROCEDE DE PRODUCTION DE COLORANTS AZOIQUES PAR COPULATION DE COMPOSANTS DIAZOTABLES SUR DES ACIDES AMINOHYDROXYNAPHTALENESULFONIQUES EN MILIEU ACIDE, LE PROCEDE CONSISTANT A CONDUIRE LA COPULATION EN PRESENCE D'UN ACCELERATEUR QUI EST LE PRODUIT DE REACTION DU FORMALDEHYDE ET D'UN ACIDE AROMATIQUE SULFONIQUE OU D'UN SEL DE CET ACIDE. LE PROCEDE DE L'INVENTION DONNE DE TRES BONS RENDEMENTS EN COLORANTS ET LA TRES PETITE QUANTITE D'ACCELERATEURS UTILISEE PERMET DE MAINTENIR FAIBLE LA CONTAMINATION DES EAUX RESIDUAIRES PAR DES COMPOSES DU CARBONE.
FR7927044A 1978-11-02 1979-10-31 Procede de production de colorants azoiques Expired FR2440970B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782847532 DE2847532C3 (de) 1978-11-02 1978-11-02 Verfahren zur Herstellung von Azofarbstoffen

Publications (2)

Publication Number Publication Date
FR2440970A1 true FR2440970A1 (fr) 1980-06-06
FR2440970B1 FR2440970B1 (fr) 1986-04-18

Family

ID=6053689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927044A Expired FR2440970B1 (fr) 1978-11-02 1979-10-31 Procede de production de colorants azoiques

Country Status (7)

Country Link
JP (1) JPS5562965A (fr)
BR (1) BR7907121A (fr)
CH (1) CH643867A5 (fr)
DE (1) DE2847532C3 (fr)
FR (1) FR2440970B1 (fr)
GB (1) GB2034738B (fr)
IN (1) IN153228B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3163218D1 (en) * 1980-09-19 1984-05-24 Ciba Geigy Ag Azo coupling process
US5459197A (en) * 1992-02-07 1995-10-17 Bayer Aktiengesellschaft Coating compositions, a process for their production and their use for coating water-resistant substrates
JP2543802Y2 (ja) * 1992-04-01 1997-08-13 三協アルミニウム工業株式会社 がらり
JP5935289B2 (ja) * 2011-10-26 2016-06-15 住友化学株式会社 化合物

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1456771A (fr) * 1964-09-04 1966-07-08 Sandoz Sa Procédé de fabrication de composés azoïques
FR1446848A (fr) * 1965-09-14 1966-07-22 Sandoz Sa Procédé de fabrication de composés azoïques
DE1644335B1 (de) * 1964-09-04 1970-07-02 Sandoz Ag Verfahren zur Herstellung von Azofarbstoffen
FR2119078A1 (fr) * 1970-12-24 1972-08-04 Bayer Ag
FR2176040A1 (fr) * 1972-03-15 1973-10-26 Ici Ltd
DE2411803A1 (de) * 1973-03-12 1974-09-19 Ici Ltd Verfahren zur herstellung von farbstoff-stoffzusammensetzungen
FR2341625A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne de production de colorants azoiques

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1931881A1 (de) * 1969-06-24 1971-02-18 Hoechst Ag Verfahren zum Faerben von Textilmaterial aus Mischungen von Polyesterfasern mit Cellulosefasern
DE2061357A1 (de) * 1970-12-12 1972-06-15 Farbwerke Hoechst AG vormals Mei ster Lucius & Bruning, 6000 Frankfurt Verfahren zur Erzeugung von unlöslichen Azofarbstoffen auf Cellulosefasern
BE796574A (fr) * 1972-03-15 1973-09-10 Ici Ltd Dispersions et compositions de colorants azoiques dispersables
GB1438118A (en) * 1972-11-21 1976-06-03 Ici Ltd Preparation of aqueous dispersions of azo dyestuffs
DE2533603A1 (de) * 1975-07-26 1977-02-10 Bayer Ag Herstellung von azofarbstoffen unter zerkleinerung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1456771A (fr) * 1964-09-04 1966-07-08 Sandoz Sa Procédé de fabrication de composés azoïques
DE1644335B1 (de) * 1964-09-04 1970-07-02 Sandoz Ag Verfahren zur Herstellung von Azofarbstoffen
FR1446848A (fr) * 1965-09-14 1966-07-22 Sandoz Sa Procédé de fabrication de composés azoïques
FR2119078A1 (fr) * 1970-12-24 1972-08-04 Bayer Ag
FR2176040A1 (fr) * 1972-03-15 1973-10-26 Ici Ltd
DE2411803A1 (de) * 1973-03-12 1974-09-19 Ici Ltd Verfahren zur herstellung von farbstoff-stoffzusammensetzungen
FR2221497A1 (en) * 1973-03-12 1974-10-11 Ici Ltd Azo dye compsns contg. a carboxylic acid radical - prep. in water-sol. or -dispersible form
FR2341625A1 (fr) * 1976-02-21 1977-09-16 Bayer Ag Procede perfectionne de production de colorants azoiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1969 *

Also Published As

Publication number Publication date
GB2034738A (en) 1980-06-11
JPS5562965A (en) 1980-05-12
IN153228B (fr) 1984-06-16
DE2847532B2 (de) 1980-11-27
CH643867A5 (de) 1984-06-29
GB2034738B (en) 1982-12-01
FR2440970B1 (fr) 1986-04-18
BR7907121A (pt) 1980-07-08
DE2847532A1 (de) 1980-05-08
DE2847532C3 (de) 1981-08-06

Similar Documents

Publication Publication Date Title
DE3750523D1 (de) Verfahren zur Herstellung von L-2-Amino-4-(hydroxymethyl-phosphinyl)-Buttersäure.
DK0412337T3 (da) Fremgangsmåde til fremstilling af 1,3-propandiol
DE59609239D1 (de) Verfahren zur abtrennung von mittelsiedern aus einem gemisch aus leicht-, mittel- und hochsiedern
ATE75779T1 (de) Verfahren zur herstellung von optisch aktiven cyanhydrinen.
ATE126829T1 (de) Verfahren zur herstellung von salzen des l- ornithins.
FR2440970A1 (fr) Procede de production de colorants azoiques
AR002353A1 (es) Proceso para preparar ácido 2-hidroxi-4-metiltiobutanoico composición hidrolizada y aparato.
DE3774814D1 (de) Verfahren zur industriellen herstellung von aminosaeuren durch hydrolyse von proteinen in saurer umgebung.
DE60029542D1 (de) Verfahren zur Reinigung von 1,3-propandiol aus einem Fermentationsmedium
ATE30410T1 (de) Kontinuierliches verfahren zur herstellung von 1,2-alkandiolen.
ATE12221T1 (de) Verfahren zur hestellung von einem glutaraldehydvorlaeufer.
GB2022584B (en) Process for separating mixtures of 3- and 4-nitro-phthalicacid
FR2378827A1 (fr) Preparation de pigments azoiques metallises
ATE43570T1 (de) Verfahren zur racemisierung optisch aktiver aminosaeuren.
ATE6421T1 (de) Verfahren zur herstellung von 2,6-dichlor-4nitroanilin und durch dieses verfahren erhaltene verbindung.
DE59909425D1 (de) Verfahren zur herstellung von (2s,4r,9s)-octahydro-1h-indol-2-carbonsäure und zwischenprodukte dafür
FI814090L (fi) Foerfarande foer framstaellning av anionbytare samt deras anvaendning
FR2438673A1 (fr) Procede de production de colorants azoiques contenant du cuivre
DE734215C (de) Herstellung von Hydroxylammoniumsalzen
ATE135351T1 (de) Verfahren zur herstellung von dikalium-askorbat-2-sulphat
CH414666A (fr) Procédé de préparation de l'acide homocystéique
TH3806EX (th) ขบวนการผลิตกรดอมิโนคาร์บอกซิลิค ชนิดที่เป็นกรด
ATE13527T1 (de) Verfahren zur herstellung von beta-hydroxy-alpha- aminocarbonsaeuren.
JPS55326A (en) Preparation of phenylenediamine
SU602492A1 (ru) Способ получени фторсодержащих карбоновых кислот с концевой кратной св зью

Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse