US PATENT SUBCLASS 508 / 482
.~.~.~.~.~.~.~ Phthalic acid dialkyl 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}
459  DF  .~ Organic -C(=O)O- compound {19}
463  DF  .~.~ Specified compound wherein the single bonded oxygen is bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon (i.e., specified carboxylic acid ester) {6}
465  DF  .~.~.~ Plural -C(=O)O- groups attached directly or indirectly to each other by nonionic bonding (e.g., estolides of hydroxy carboxylic acids, etc.) {8}
478  DF  .~.~.~.~ Benzene ring attached directly or indirectly to the -C(=O)O- groups by nonionic bonding {2}
479  DF  .~.~.~.~.~ The benzene ring is bonded directly to carbon of a -C(=O)O- group {1}
480  DF  .~.~.~.~.~.~ Carbons of plural -C(=O)O- groups are bonded directly to the same benzene ring (e.g., vanadium salt of oleyl acid phthalate,etc.) {2}
482.~.~.~.~.~.~.~ Phthalic acid dialkyl ester


DEFINITION

Classification: 508/482

Phthalic acid dialkyl ester:

(under subclass 480) Compositions which contain dialkyl esters of phthalic acid.

(1) Note. Phthalic acid is o-benzene dicarboxylic acid.