CPC Subgroup
C09D 11/103 of aldehydes, e.g. phenol-formaldehyde resins
Full Title
Inks > Printing inks (C09D11/30 takes precedence) > based on artificial resins > containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds > of aldehydes, e.g. phenol-formaldehyde resins