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
Ciba 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
Priority claimed from CH1130760Aexternal-prioritypatent/CH379162A/en
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES271156A1publicationCriticalpatent/ES271156A1/en
Process for dyeing polyhydroxylated materials with dyebaths containing ionic derivatives of tinable compounds, characterized in that at least one phase of the process is carried out in the presence of a reducing agent and unique derivatives of vat dyes are used which present at most 8 juxtacondensed carbocyclic rings. (Machine-translation by Google Translate, not legally binding)
ES0271156A1960-10-071961-10-11Procedure for dying poly-hydroxyled materials (Machine-translation by Google Translate, not legally binding)
ExpiredES271156A1
(en)
A procedure for the preparation of new dyes appropriate for the dyeing of polyester materials (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of coloring preparations and their corresponding dyeing or printing procedure (Machine-translation by Google Translate, not legally binding)
Procedure for dyeing cellulose esters and similar dye-behavioral materials, and for the obtaining of corresponding dyeing preparations (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of new colorants of the anthraquinºnica, peridicarboxilimida and ftalocianºnica series (Machine-translation by Google Translate, not legally binding)