US PATENT SUBCLASS 264 / 29.4
.~ From cellulosic material

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}
29.4.~ From cellulosic material

DEFINITION

Classification: 264/29.4

(under subclass 29.1) Processes wherein the article carbonized includes cellulosic material or its derivatives.