| 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 | DF | .~ Resolving colloids or inhibiting colloidization (252/319) {1} |
| FOR 125 | DF | .~.~ Liquid primary dispersants (252/320) {5} |
| FOR 127 | DF | .~.~.~ Adsorbent or solid surface functioning treating substances (252/322) {3} |
| FOR 130 | | .~.~.~.~ Organic agents (252/325) |