US PATENT SUBCLASS 8 / 476
.~ Steam (at 138 degrees C. or above)

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

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

DEFINITION

Classification: 8/476

Steam (at 138 degrees C. or above):

(under subclass 475) Processes using steam at a temperature of 138 degrees C. (280 degrees F.) or above.