US PATENT SUBCLASS 8 / 475
CONFINED GAS PHASE SUPERATMOSPHERIC PRESSURE DYEING PROCESS (OTHER THAN STEAM BELOW 138 DEGREES C.)


Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

475CONFINED GAS PHASE SUPERATMOSPHERIC PRESSURE DYEING PROCESS (OTHER THAN STEAM BELOW 138 DEGREES C.) {1}
476  DF  .~> Steam (at 138 degrees C. or above)


DEFINITION

Classification: 8/475

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.