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 156 | DF | .~ Wetting, emulsifying, dispersing, or stabilizing agents (252/351) {4} |
FOR 162 | .~.~ Organic, amine, amide, or N-base containing (252/357) |