US PATENT SUBCLASS 508 / 527
.~.~ Organic nitrogen salt of a carboxylic acid, or an organic nitrogen compound is present

Current as of: June, 1999
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508 /   HD   SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110  DF  LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
459  DF  .~ Organic -C(=O)O- compound {19}
527.~.~ Organic nitrogen salt of a carboxylic acid, or an organic nitrogen compound is present {3}
528  DF  .~.~.~> Having -C(=X)-, wherein X is chalcogen, attached directly to the nitrogen (e.g., amides, polyureas, etc.)
529  DF  .~.~.~> Benzene ring bonded directly to the nitrogen
530  DF  .~.~.~> The nitrogen is part of an alkanolamine

DEFINITION

Classification: 508/527

Organic nitrogen salt of a carboxylic acid, or an organic nitrogen compound is present:

(under subclass 459) Compositions which (1) contain, in addition to the -C(=O)O- compound, an organic nitrogen compound, or (2) wherein the -C(=O)O- compound is in the form of an organic nitrogen compound salt of a carboxylic acid.

(1) Note. An organic nitrogen compound is one wherein nitrogen is attached directly or indirectly by nonionic bonding to carbon of an organic compound.

(2) Note. See Notes to the Class Definition for the definition of an organic compound.