| 516 / | HD | COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF |
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| 113 | DF | COMPOSITIONS CONTAINING AN AGENT FOR BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS; PROCESSES OF BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS (E.G., GEL BREAKING OR INHIBITING, COAGULATING, FLOCCULATING); PROCESSES OF PREPARING THE COMPOSITIONS {3} |
| 135 | DF | .~ Continuous liquid phase colloid system and discontinuous liquid phase (e.g., breaking an emulsion) {4} |
| 139 | DF | .~.~ The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting) {2} |
| 141 | DF | .~.~.~ Aqueous-petroleum, petroleum-aqueous, aqueous-hydrocarbon, or hydrocarbon-aqueous emulsion systems {2} |
| 143 | DF | .~.~.~.~ The agent contains organic compound {5} |
| 161 | DF | .~.~.~.~.~ The compound contains nitrogen, except if present solely as NH4+ (e.g., nitroso phenol) {7} |
| 169 | DF | .~.~.~.~.~.~ The compound contains -C(=O)NHH where substitution may be made for the hydrogen {3} |
| 171 |  | .~.~.~.~.~.~.~ The compound contains plural -C(=O)NHH where substitution may be made for the hydrogen (e.g., urea formaldehyde) {1} |
| 172 | DF | .~.~.~.~.~.~.~>.~ The compound contains plural nitrogen containing mers* bonded directly to each other (e.g., acylated polyamine, polyamide) |