Patent classifications
C
CHEMISTRY; METALLURGY
Load children
C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
Load children
C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
Load children
45/00
Complex metal compounds of azo dyes
Load children Filter patents View analytics View as hierarchy Open in page
C09B45/02
Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
Load children Filter patents View analytics View as hierarchy Open in page
Sorry, no patents found.