| 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 115 | DF | .~ Gels, coagulates, or dispersands (252/315.01) {4} |
| FOR 116 | | .~.~ Organic (252/315.1) {3} |
| FOR 117 | DF | .~.~.~> Inorganic material coated, impregnated, or surface-modified with organic material (252/315.2) |
| FOR 118 | DF | .~.~.~> Carbohydrate or derivative (252/315.3) |
| FOR 119 | DF | .~.~.~> Carboxylic acid ester, acid, or salt thereof (252/315.4) |