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.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp 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
Application filed by British Dyestuffs Corp LtdfiledCriticalBritish Dyestuffs Corp Ltd
Application grantedgrantedCritical
Publication of FR517716ApublicationCriticalpatent/FR517716A/en
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
C09B35/02—Disazo dyes
C09B35/039—Disazo dyes characterised by the tetrazo component
C09B35/34—Disazo dyes characterised by the tetrazo component the tetrazo component being heterocyclic
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR517716A1914-04-041920-06-24
Process for the manufacture of new coloring materials, products resulting from this process and their applications
ExpiredFR517716A
(en)