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 131 | DF | .~.~.~ Added nongaseous dissimilar treating substances (252/326) {2} |
FOR 132 | .~.~.~.~ Added dissimilar solvents, bindants, or liquid baths (252/327) |