URI
Notation
667
Caption
Colour industries
Including
Manufacture and use of dyes, inks, paints etc.
See also
535.6Colours and their properties. Colour theory
547Organic chemistry
678Industries based on macromolecular materials. Rubber industry. Plastics industry
Broader class
66  Chemical technology. Chemical and related industries
Narrower classes
667.2Dyestuffs industry. Manufacture and use of dyestuffs
667.4Writing inks
667.5Printing inks (black or coloured). Lithographic inks. Writing and drawing pencils. Coloured crayons
667.6Coatings and coating techniques. Paints. Varnishes. Lacquers
667.7Colouring, staining etc., of various materials (except printing and painting)