US PATENT SUBCLASS 264 / 631
.~.~.~ From cordierite (i.e., 2MgO.2A12O3.5SiO2, iolite)

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}
629  DF  .~ Producing article having plural hollow channels {1}
630  DF  .~.~ Producing honeycomb shape {1}
631.~.~.~ From cordierite (i.e., 2MgO.2A12O3.5SiO2, iolite)

DEFINITION

Classification: 264/631

From cordierite (i.e., 2MgO.2Al2O3.5SiO2, iolite):

(under subclass 630) Process wherein the honeycomb structure is produced from cordierite (i.e., 2MgO.2Al2[end subscrpt]O3.5SiO2[end subscrpt], iolite).