US PATENT SUBCLASS 202 / 225
.~.~.~.~.~ Cores
Current as of:
June, 1999
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202 /
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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.