| 516 / | HD | COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF |
| 905 | DF | AGENT COMPOSITION, PER SE, FOR COLLOID SYSTEM MAKING OR STABILIZING (E.G., FOAMING, EMULSIFYING, DISPERSING, GELLING; FOR WETTING AGENTS SEE 516/198+) {5} |
| 917 | ![]() | .~ The agent contains organic compound containing oxygen {3} |
| 918 | DF | .~.~> The compound contains carboxylic acid ester group |
| 919 | DF | .~.~> The compound contains -C(=O)OH or salt thereof |
| 920 | DF | .~.~> The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |