ES214941A1 - Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)

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Publication number
ES214941A1
ES214941A1 ES214941A ES214941A ES214941A1 ES 214941 A1 ES214941 A1 ES 214941A1 ES 214941 A ES214941 A ES 214941A ES 214941 A ES214941 A ES 214941A ES 214941 A1 ES214941 A1 ES 214941A1
Authority
ES
Spain
Prior art keywords
see formula
translation
group
preparation
legally binding
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
ES214941A
Other languages
Spanish (es)
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
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
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
Application filed by Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to ES214941A priority Critical patent/ES214941A1/en
Publication of ES214941A1 publication Critical patent/ES214941A1/en
Expired legal-status Critical Current

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Abstract

Process for the preparation of metal-containing azo dyes characterized in that chromium or cobalt-yielding media are reacted with monoazo dyes which are free of sulfonic acid groups and carboxyl groups and which respond to the general formula ** (see formula) ** ** (see formula) ** where R =1 - ** (see formula) ** = ** (see formula) ** - ** (see formula) where P =z - ** (see formula) ** where R =2 in which they mean R = R1 a benzol radical linked to the azo group in ortho position with respect to the oxy group P = Pz a 5-pyrezolone radical linked to the azo group at position 4 and R = R2 a possibly substituted bicyclic aromatic hydrocarbon radical for which effect at least one of the radicals R = R1 and R = R2 contains a group ** (see formula) ** where SO =2 - ** (see formula) ** NH =2 - in such a way that they are formed metal containing azo dyes which have less than one chromium or cobalt atom in complex bond per monoazo dye molecule. (Machine-translation by Google Translate, not legally binding)
ES214941A 1954-04-20 1954-04-20 Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding) Expired ES214941A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES214941A ES214941A1 (en) 1954-04-20 1954-04-20 Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES214941A ES214941A1 (en) 1954-04-20 1954-04-20 Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES214941A1 true ES214941A1 (en) 1954-11-01

Family

ID=65683337

Family Applications (1)

Application Number Title Priority Date Filing Date
ES214941A Expired ES214941A1 (en) 1954-04-20 1954-04-20 Procedure for the preparation of azocolorants that contain metal (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES214941A1 (en)

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