US PATENT SUBCLASS 203 / 8
.~ For inhibiting or preventing a polymerization reaction

Current as of: June, 1999
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203 /   HD   DISTILLATION: PROCESSES, SEPARATORY

6  DF  ADDITION OF MATERIAL TO DISTILLAND TO INHIBIT OR PREVENT REACTION OR TO STABILIZE {2}
8.~ For inhibiting or preventing a polymerization reaction {1}
9  DF  .~.~> Of unsaturated hydrocarbon

DEFINITION

Classification: 203/8

(under subclass 6) Processes directed to adding a substance to inhibit or prevent unwanted polymerization.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for a separatory distillation process in which a substance is added to cause a desired polymerization of at least one component.