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
Original Assignee
JR 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.)
Filing date
Publication date
Application filed by JR Geigy AGfiledCriticalJR Geigy AG
Priority to ES0208508ApriorityCriticalpatent/ES208508A1/es
Publication of ES208508A1publicationCriticalpatent/ES208508A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents
(AREA)
Abstract
Procedimiento para la preparación de monoazocolorantes cromables caracterizado porque se copula 6-nitro-4-alquil-2-amino 1-oxibenzol compuestos diazotados cuyo radical alquilo contiene 4 hasta 8 átomos de carbono y que puede ser asimismo cicloalifático con amida del ácido 1-oxinaftalin-3 6-disulfónico en medio alcalino para formar colorantes de la fórmula **(Ver fórmula)** después de lo cual se hace eventualmente . reaccionar medios que ceden cromo bajo tales condiciones que 2 moléculas de colorante entran en enlace complejo con un átomo de cromo.
ES0208508A1953-03-271953-03-27PROCEDIMIENTO PARA LA PREPARACIoN DE MONOAZOCOLORANTES CROMABLES
ExpiredES208508A1
(es)