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.)
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
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Filing date
Publication date
Priority claimed from CH727061Aexternal-prioritypatent/CH413180A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES278521A1publicationCriticalpatent/ES278521A1/en
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
C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups
C09B43/136—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents
C09B43/145—Preparation of azo dyes from other azo compounds by acylation of amino groups with polyfunctional acylating agents with polycarboxylic acids
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
PROCESS FOR THE PREPARATION OF NEW ORGANIC DYES, characterized in that thiophenecarboxylic acid derivatives or tetrahydrodichlorothiophenecarboxylic acids capable of reacting, in a molar ratio of 1: 2, with aromatic amines, in which the nitrogen atom of the amino group are heated it is directly linked to an aromatic carbon atom, for which the condensation is carried out in such a way that at least one amino radical containing a chromophore is present in the molecule of the condensation product. (Machine-translation by Google Translate, not legally binding)
ES278521A1961-06-211962-06-20Procedure for the preparation of new organic dyes (Machine-translation by Google Translate, not legally binding)
ExpiredES278521A1
(en)
A method for the industrial production of derivatives of the 3,5 dimethylenzoic acid and its salts by addition of acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of sulfamide salts with tetracyclines or their derivatives (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of 1-lower rent-3-benzoil-4-hydroxy-4-fluorethylene-replaced phenyl-pelides. (Machine-translation by Google Translate, not legally binding)
Procedure for preparation of compounds of basic derivatives with benzopyrilacetic acids. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of a chelate of iron of an acid ethelendiamin n, n 'bis (e-hydroxy aril acetic) sulphonate (Machine-translation by Google Translate, not legally binding)