US PATENT SUBCLASS 264 / 29.5
.~ With carbonizing, then adding carbonizable material and recarbonizing

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

29.1  DF  CARBONIZING TO FORM ARTICLE {6}
29.5.~ With carbonizing, then adding carbonizable material and recarbonizing

DEFINITION

Classification: 264/29.5

(under subclass 29.1) Processes which prepare an article by carbonizing and then subsequently add a carbonizable material (e.g., by impregnating) and recarbonize.