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
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 AGfiledCriticalCiba Geigy AG
Priority to ES205617ApriorityCriticalpatent/ES205617A1/en
Publication of ES205617A1publicationCriticalpatent/ES205617A1/en
Process for the preparation of azo dyes by coupling diazo compounds with azo-components, characterized in that the acid is used as the azocomponent. (Machine-translation by Google Translate, not legally binding)
ES205617A1952-10-021952-10-02A procedure for the preparation of azoic colors (Machine-translation by Google Translate, not legally binding)
ExpiredES205617A1
(en)
Procedure for the preparation of a photographic chromatic image with the help of color copulators (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of azoic colorants belonging to the pirazolona and pirazol series (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of an effectively soluble compound, based on teofinyl and 3-aminometilpyridine (Machine-translation by Google Translate, not legally binding)