| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
| 129 | DF | CHEMICAL REACTOR {28} |
| 131 | | .~ Organic polymerization {5} |
| 132 | DF | .~.~> Closed loop |
| 133 | DF | .~.~> Generating foamed plastic |
| 134 | DF | .~.~> Including plural sequential reaction stages |
| 135 | DF | .~.~> Including reactant agitating means in reaction chamber {2} |
| 138 | DF | .~.~> With heat exchanger for reaction chamber or reactants located therein |