US PATENT SUBCLASS 422 / 134
.~.~ Including plural sequential reaction stages

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
131  DF  .~ Organic polymerization {5}
134.~.~ Including plural sequential reaction stages

DEFINITION

Classification: 422/134

Including plural sequential reaction stages:

(under subclass 131) Apparatus having multiple, serially disposed reaction stages and means for subjecting the reaction mass successively to each of the stages.