Sonic or ultrasonic waves; Corona discharge

Full Title

Physical treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, e.g. by ultrasonic waves, corona discharge, irradiation, electric currents or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements > Sonic or ultrasonic waves; Corona discharge

Classification Context

Section:

TEXTILES; PAPER

Class:

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

Subclass:

TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS , OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS