US PATENT SUBCLASS 264 / 343
.~ To swell or plasticize


Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

340  DF  TREATING SHAPED OR SOLID ARTICLE {5}
343.~ To swell or plasticize


DEFINITION

Classification: 264/343

(under subclass 340) Processes in which a solid workpiece is treated in such a manner as to cause it to increase in size or become softer or more pliable.

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341, wherein solvents are employed to effect a superficial surface softening as in solvent polishing.

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8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers,

130.1, for swelling or plasticization of artificial fibers.