US PATENT SUBCLASS 8 / 140
.~ Carbonizing

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

137  DF  CLEANING OR LAUNDERING {6}
140.~ Carbonizing

DEFINITION

Classification: 8/140

(under subclass 137) Inventions for the separation of a mixed impurity or textile fiber by the destruction of one of the constituents thereof, such as, by heat, acids, or solvents.

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114.6, and the notes thereto, for the production of ornamental effects such as lace or the like by dissolution or destruction of parts of a composite fabric.

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68, Textiles: Fluid Treating Apparatus,

2, for carbonizing apparatus.