C09B44/02 - CPC Classification Index

ClassID:

102297 ⎘

C09B44/02 - CPC Classification

Classification description:

Azo dyes containing onium groups containing ammonium groups not directly attached to an azo group

Sub-classes:

Dye composition for hair dyeing and method for producing the same

Concentrated Dye Solution

Cationic diaminopyrazoles, a process for producing them and colorants containing these compounds

Cationic azo monomers or symmetric dimers, preparation thereof, compositions comprising same and process for dyeing keratin fibers

Use of polycationic compounds in the dyeing of keratinous fibres