US PATENT SUBCLASS 516 / 201
.~.~ The compound contains nitrogen, except if present solely as NH4+

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

198  DF  COMPOSITIONS CONTAINING A WETTING AGENT; PROCESSES OF WETTING; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SPREADING, PENETRATING, LEVELING) {4}
200  DF  .~ The agent contains organic compound containing sulfoxy* {2}
201.~.~ The compound contains nitrogen, except if present solely as NH4+

DEFINITION

Classification: 516/201

The compound contains nitrogen, except if present solely as NH 4+:

(under subclass 200) Subject matter in which the wetting agent* which contains an organic* compound containing sulfoxy* also contains nitrogen, except for when the nitrogen is present solely as the cationic ammonium group, NH 4+.