US PATENT SUBCLASS 508 / 404
.~.~.~ Nitrogen attached directly or indirectly to the sulfonate group by nonionic bonding

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}
388  DF  .~ Organic sulfur compound, wherein the sulfur is single bonded directly to oxygen (e.g., sulfites, etc.) {2}
390  DF  .~.~ The sulfur is part of an -O-S(=O)(=O)- group (i.e., sulfonates) {12}
404.~.~.~ Nitrogen attached directly or indirectly to the sulfonate group by nonionic bonding

DEFINITION

Classification: 508/404

Nitrogen attached directly or indirectly to the sulfonate group by nonionic bonding:

(under subclass 390) Compositions wherein the sulfonate group is attached directly or indirectly to nitrogen by nonionic bonding.

(1) Note. Examples of components provided for herein are sulfamic acids and

C10H11[end subscrpt]-C(O)N(CH3)CH2[end subscrpt]CH2SO3[end subscrpt]H