CONFINED GAS PHASE SUPERATMOSPHERIC PRESSURE DYEING PROCESS(OTHER THAN STEAM BELOW 138 DEGRESS C.):
(under the class definition) Processes wherein a confined superatmospheric pressure is used in dyeing (gas phase).
(1) Note. Processes for the treatment of dyed or printed textile materials to complete the effect of the dye such as to improve fastness, prevent fading or increase brilliance are in this subclass.
(2) Note. Steam under pressure at temperature below 138 degrees C. is considered routine and not included herein.
