US PATENT SUBCLASS 514 / 120
.~.~ C=O other than as ketone or aldehyde, attached directly or indirectly to phosphorus

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.~.~ C=O other than as ketone or aldehyde, attached directly or indirectly to phosphorus {2}
121  DF  .~.~.~> Plural C=O groups, other than as ketone or aldehyde {1}
124  DF  .~.~.~> C=O, other than as ketone or aldehyde, attached to a benzene ring

DEFINITION

Classification: 514/120

C=O other than as ketone or aldehyde, attached directly or indirectly to phosphorus:

(under subclass 75) Subject matter in which the organo-phosphorus compound contains a carbonyl group, other than as ketone or aldehyde, e.g., [figure] [caption], etc.