US PATENT SUBCLASS 202 / 85
.~.~ Thermolytic and autothermic

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

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
85.~.~ Thermolytic and autothermic {2}
86  DF  .~.~.~> Retort and kiln {1}
88  DF  .~.~.~> Kiln and directly heated chamber {2}

DEFINITION

Classification: 202/85

Associations of kilns, retorts, and/or chambers, in which thermolytic distillation occurs, part of the necessary heat being supplied by the combustion (or chemical change) of the distilland.