US PATENT SUBCLASS 508 / 405
.~.~.~ Non-sulfonate chalcogen attached 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}
405.~.~.~ Non-sulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding

DEFINITION

Classification: 508/405

Non-sulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding:

(under subclass 390) Compositions wherein the sulfonate group is attached indirectly by nonionic bonding to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) that is not part of a sulfonate group.

(1) Note. An example of a component provided for herein is CH3OC(O)CH(SO3H)CH2[end subscrpt]C(O)O H3