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.)
Bayer AG
Original Assignee
Bayer AG
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Filing date
Publication date
Application filed by Bayer AGfiledCriticalBayer AG
Priority to ES0245726ApriorityCriticalpatent/ES245726A1/es
Publication of ES245726A1publicationCriticalpatent/ES245726A1/es
Procedimiento para la obtención de colorantes solubles en agua, caracterizado porque tetra-aza-porfinas insolubles en agua, que contienen restos aromáticos con grupos amino terc., se reaccionan con W-halogeno-N-metilidinas de ácidos dicarbónicos en presencia de ácidos orgánicos.
ES0245726A1958-12-021958-12-02Procedimeinto para la obtenciën de colorantes solubles en agua
ExpiredES245726A1
(es)