US PATENT SUBCLASS 508 / 310
.~.~.~.~.~ With organic nitrogen compound

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}
243  DF  .~ Heterocyclic ring compound; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from nitrogen and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) {4}
304  DF  .~.~ Oxygen-containing hetero ring (e.g., allyl glycidyl ether, etc.) {2}
307  DF  .~.~.~ The hetero ring contains at least five ring members (e.g., 1,3-dioxane, furan, etc.) {1}
308  DF  .~.~.~.~ Having -C(=O)O- attached directly or indirectly to the hetero ring by nonionic bonding (e.g., sorbitan esters, etc.) {3}
310.~.~.~.~.~ With organic nitrogen compound

DEFINITION

Classification: 508/310

With organic nitrogen compound:

(under subclass 308) Compositions which contain, in addition to the hetero ring containing component, an organic nitrogen compound.

(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.