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
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES0240669ApriorityCriticalpatent/ES240669A1/en
Publication of ES240669A1publicationCriticalpatent/ES240669A1/en
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Optical Filters
(AREA)
Abstract
Process for the preparation of organic dyes, characterized in that the radical of an alpha, beta-unsaturated carboxylic acid, linked by a -CO- group, whose carboxylic acid has three carbon atoms is introduced into water-soluble organic dyes. (Machine-translation by Google Translate, not legally binding)
ES0240669A1958-02-051958-02-05Procedure for the preparation of new colors (Machine-translation by Google Translate, not legally binding)
ExpiredES240669A1
(en)
Procedure for the preparation of a composition to reprimate the development of microorganisms. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of a copper ftalocianin, whose alpha form is stable in high degree to the solvents (Machine-translation by Google Translate, not legally binding)