Fugitive optical brightening; Discharge of optical brighteners in discharge paste; Blueing; Differential optical brightening

Full Title

Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs > Optical bleaching or brightening > Fugitive optical brightening; Discharge of optical brighteners in discharge paste; Blueing; Differential optical brightening

Classification Context

Section:

TEXTILES; PAPER

Class:

TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR

Subclass:

DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS

Child Classifications

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• D06L 4/693 Blueing with mixtures of dyes; Blueing with mixtures of dyes and optical brighteners