US PATENT SUBCLASS 514 / 121
.~.~.~ Plural C=O groups, other than as ketone or aldehyde

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}
75  DF  .~ Phosphorus containing other than solely as part of an inorganic ion in an addition salt DOAI {22}
120  DF  .~.~ C=O other than as ketone or aldehyde, attached directly or indirectly to phosphorus {2}
121.~.~.~ Plural C=O groups, other than as ketone or aldehyde {1}
122  DF  .~.~.~.~> Malathion {1}

DEFINITION

Classification: 514/121

Plural C=O groups, other than as ketone or aldehyde:

(under subclass 120) Subject matter wherein the organo-phosphorus compound contains two C=O groups which are other than a ketone or aldehyde, e.g., [figure] [caption], etc.