516 / | HD | COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF |
FOR 100 | DF | COLLOIDS AND POTENTIAL COLLOIDS; CHEMICAL PROCESSES OF MAKING AND BREAKING (252/302) {8} |
FOR 124 | .~ Resolving colloids or inhibiting colloidization (252/319) {1} | |
FOR 125 | DF | .~.~> Liquid primary dispersants (252/320) {5} |