US PATENT SUBCLASS 514 / 533
.~.~.~.~ Compound contains two or more C(=O)O groups indirectly bonded together by only conalent bonds

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
506  DF  .~ Ester DOAI {10}
529  DF  .~.~ Z-C(=O)-O-Y wherein Z is hydrogen or an organic radical bonded to the C(=O) by a carbon and Y is an organic radical bonded to the oxygen by a carbon {4}
532  DF  .~.~.~ Z-C(=O)-O-Y, wherein Z contains a benzene ring {5}
533.~.~.~.~ Compound contains two or more C(=O)O groups indirectly bonded together by only conalent bonds

DEFINITION

Classification: 514/533

Compound contains two or more C(=O)O groups indirectly bonded together by only covalent bonds:

(under subclass 532) Subject matter wherein the ester contains two of more O- groups.

(1) Note. This subclass contains, for example: [figure] [figure] [caption], etc.

(2) Note. Exclude if formed because of ionic bonding, e.g., [figure] [caption], etc.