US PATENT SUBCLASS 516 / 62
.~.~.~.~ The compound contains -C(=O)NHH where substitution may be made for the hydrogen

Current as of: June, 1999
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516 /   HD   COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF

9  DF  CONTINUOUS LIQUID OR SUPERCRITICAL PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., THICKENING AGENT; PROTECTIVE COLLOID AGENT; COMPOSITION CONTAINING AN EMULSIFYING AGENT WITH NO DISPERSANT* DISCLOSED; ORGANIC LIQUID EMULSIFIED IN ANHYDROUS HF) {5}
53  DF  .~ Aqueous continuous liquid phase and discontinuous phase primarily organic liquid (e.g., organosilicon* oil- or mineral-oil*-in-water, o/w emulsion) {6}
58  DF  .~.~ The agent contains organic compound containing sulfoxy* (e.g., sodium lauryl sulfate) {5}
59  DF  .~.~.~ The compound contains nitrogen, except if present solely as NH4+ (e.g., isopropylammonium dodecylbenzene sulfonate) {3}
62.~.~.~.~ The compound contains -C(=O)NHH where substitution may be made for the hydrogen

DEFINITION

Classification: 516/62

The compound contains -C(=O)NHH where substitution may be made for the hydrogen:

(under subclass 59) Subject matter in which the nitrogen containing organic* compound contains -C(=O)NHH group where substitution may be made for the hydrogen.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14, for a similar colloid system making or stabilizing agent* used in foam colloid system.

20, for a similar colloid system making or stabilizing agent* used in organic* liquid continuous phase with organic* liquid discontinuous phase (e.g., oil-in-oil emulsion).

26, for a similar colloid system making or stabilizing agent* used in organic* liquid continuous phase with inorganic* liquid discontinuous phase (e.g., water-in-oil emulsion).

31+, for a similar colloid system making or stabilizing agent* used in organic* liquid continuous phase with discontinuous phase primarily solid or semisolid.

41+, for a similar colloid system making or stabilizing agent* used in bituminous-in-aqueous emulsion. 77+, for a similar colloid system making or stabilizing agent* used in aqueous continuous phase with discontinuous phase primarily (nonbituminous) solid.