3'-Hydroxy-chinophthalon-Farbstoffe

1,267,017. Quinophthalone dyes. FARBENFABBIKEN BAYER A.G. 19 Nov., 1970 [19 Nov., 1969], No. 55071/70. Heading C4P. 31-Hydroxy-quinophthalone dyestuffs which are free from sulphonic acid groups are of the general formula in which R 1 and R 2 , independently of each other, -stand for a C 1 -C 17 alky...

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Bibliographic Details
Main Authors WOLFRUM,GERHARD,DR, KALZ,DIETMAR,DR, NEEFF,RUETGER,DR
Format Patent
LanguageGerman
Published 19.05.1971
Subjects
ADHESIVES
CHEMISTRY
DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
DYES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAKES
LAUNDERING
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Summary:1,267,017. Quinophthalone dyes. FARBENFABBIKEN BAYER A.G. 19 Nov., 1970 [19 Nov., 1969], No. 55071/70. Heading C4P. 31-Hydroxy-quinophthalone dyestuffs which are free from sulphonic acid groups are of the general formula in which R 1 and R 2 , independently of each other, -stand for a C 1 -C 17 alkyl radical, with the proviso that the total number of carbon atoms in R 1 and R 2 is at least 16; Z 1 stands for a halogen atom or a nitro, C 1 -C 4 alkyl, C 1 -C 4 alkoxy or acylamino group; m is 0, 1, 2 or 3; Z 2 is a fused benzene ring; and n is 1 or 0. The dyes are prepared by reacting an appropriate quinophthalone acid halide with a secondary alkylamine.
Bibliography:Application Number: DE19691958097