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
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 Bayer AGfiledCriticalBayer AG
Publication of ES321234A1publicationCriticalpatent/ES321234A1/en
Process for the production of reactive dyes, characterized in that dyes or precursors of dyes containing amino or amido groups and containing, linked to the amine nitrogen, respectively amide, a hydrogen atom capable of reacting, are reacted with compounds of the formula: A - Y wherein A represents a five-membered heterocyclic ring containing at least one reactive sulphonyl substituent attached to a carbon atom of the heterocyclic ring, and Y means an anionically dissociable moiety, and in the case of starting from previous products of dyes, these are transformed in an appropriate manner into the desired final dyes. (Machine-translation by Google Translate, not legally binding)
ES0321234A1964-12-281965-12-28Procedure for the production of reagent colorants. (Machine-translation by Google Translate, not legally binding)
ExpiredES321234A1
(en)
Procedure for preparing fluoracilaminotriclorometilmetano derivatives of insecticides and acaricides effects. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new products of sulfonilarilurea and its employment as agents to combat the bad herbs. (Machine-translation by Google Translate, not legally binding)
A procedure for obtaining two series of hydrazinic derivatives of the 3-formilglutaric acid. (Machine-translation by Google Translate, not legally binding)