US PATENT SUBCLASS 8 / 157
.~ Kier treatment


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

147  DF  FLUID TREATMENT (MANIPULATIVE) {7}
157.~ Kier treatment


DEFINITION

Classification: 8/157

(under subclass 147) Processes for the treatment of textile materials in the form of skeins, ropes, warps or webs packed into a gas-tight vessel, but permitting percolation of liquid throughout the stationary packed material, under pressure, generally at high temperature, or by steam injection.