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Bayer AG
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Bayer AG
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Application filed by Bayer AGfiledCriticalBayer AG
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Publication of FR1186903ApublicationCriticalpatent/FR1186903A/fr
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
C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
C09B35/14—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy compounds
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Chemical & Material Sciences
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Organic Chemistry
(AREA)
FR1186903D1956-04-071957-03-27Colorants disazoïques cuprifères et procédé pour leur production
ExpiredFR1186903A
(fr)