US PATENT SUBCLASS 264 / 681
.~ Producing metal oxide containing product

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

603  DF  OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
681.~ Producing metal oxide containing product

DEFINITION

Classification: 264/681

Producing metal oxide containing product:

(under subclass 603) Process wherein an article or preform undergoing shaping or treatment is a material containing a metal oxide.