US PATENT SUBCLASS 202 / 225
.~.~.~.~.~ Cores


Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
*  DD  .~ Types {3}
*  DD  .~.~ Autothermic {5}
217  DF  .~.~.~ Retort {6}
222  DF  .~.~.~.~ Structural features {3}
225.~.~.~.~.~ Cores


DEFINITION

Classification: 202/225

Structures to be inserted within the retorts to subdivide the charge. The core may have channels for removal of volatile material and may be removed with the residue or remain in the retort.