US PATENT SUBCLASS 508 / 409
.~.~.~ With carboxylic acid ester


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
409.~.~.~ With carboxylic acid ester


DEFINITION

Classification: 508/409

With carboxylic acid ester:

(under subclass 390) Compositions which contain, in addition to the sulfonate group containing compound, a carboxylic acid ester.