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
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Filing date
Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Priority to ES0229665ApriorityCriticalpatent/ES229665A1/en
Publication of ES229665A1publicationCriticalpatent/ES229665A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Plural Heterocyclic Compounds
(AREA)
Abstract
Process for the preparation of indigoid dyes of general formula ** (see formula) ** in which they mean Hal halogen and N a number that is worth from 1 to 3, characterized in that an 8-halogen-1 2 naphthoxythiophene is condensed with isatin or preferably with its halogenated derivatives in the benzene nucleus. (Machine-translation by Google Translate, not legally binding)
ES0229665A1956-07-061956-07-06A procedure for the preparation of indigoid colorants (Machine-translation by Google Translate, not legally binding)
ExpiredES229665A1
(en)
Procedure for obtaining mercptophenotyacinic derivatives replaced in position 3, until now unknown. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of derivatives of 1,2 benzoisotiazolonas of antimicrobial effect. (Machine-translation by Google Translate, not legally binding)