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.)
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Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 ES375489Aexternal-prioritypatent/ES375489A1/en
Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Priority to ES376815ApriorityCriticalpatent/ES376815A1/en
Publication of ES376815A1publicationCriticalpatent/ES376815A1/en
Investigating Or Analysing Biological Materials
(AREA)
Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means
(AREA)
Abstract
Procedure for preparing reactive dyes, represented by the general formula: **(See formula)** wherein D represents the radical of a copper complex of a monoazo compound containing at least one SO3H group and is represented by the formula: **(See formula)** wherein A is a benconic or naphthalene radical and B is a naphthalene radical, either R and R1 represents H or saturated aliphatic radicals having up to 4 carbon atoms and X represents a benzene, diphenylene or naphthalene nucleus which may contain substituents, or an aliphatic radical having at least 2 carbon atoms, or (See formula) represents 1,4-piperazinylene, characterized in that it comprises submitting a compound of formula: **(See formula)** to the action of a copper salt, in the presence of an oxidizing agent. (Machine-translation by Google Translate, not legally binding)
ES376815A1970-01-161970-02-23Procedure for preparing reagent colorants. (Machine-translation by Google Translate, not legally binding)
ExpiredES376815A1
(en)
Procedure for obtaining new 1,2,3-triazolic fluorescent derivatives of 3-phenyl-cumarine (Machine-translation by Google Translate, not legally binding)
A procedure to activate a peroxygenated whitening compound in an aqueous whitening solution. (Machine-translation by Google Translate, not legally binding)