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
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 Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES265491A1publicationCriticalpatent/ES265491A1/es
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
C09B27/00—Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
C—CHEMISTRY; METALLURGY
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
C09B43/00—Preparation of azo dyes from other azo compounds
C09B43/08—Preparation of azo dyes from other azo compounds by reduction
C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Silver Salt Photography Or Processing Solution Therefor
(AREA)
ES0265491A1960-03-091961-03-08Procedimiento para la obtenciën de capas o emulsiones fotograficas para el metodo de blanqueo de color argentico
ExpiredES265491A1
(es)