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
C09B47/04
Phthalocyanines; abbreviation: Pc
Load children Filter patents View analytics View as hierarchy
C09B47/06
Preparation from carboxylic acids or derivatives thereof; , e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide
Load children Filter patents View analytics View as hierarchy
C09B47/067
from phthalodinitriles; naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile
Load children Filter patents View analytics View as hierarchy
C09B47/0675
having oxygen or sulfur linked directly to the skeleton
Filter patents View analytics View as hierarchy