US PATENT SUBCLASS 514 / 141
.~.~ (CX-) (C)P=X(XH) or (CX-) (R)P=X(XC) containing (e.g., phosphonate, etc.) (X is chalcogen; R is C or H)

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}
141.~.~ (CX-) (C)P=X(XH) or (CX-) (R)P=X(XC) containing (e.g., phosphonate, etc.) (X is chalcogen; R is C or H)

DEFINITION

Classification: 514/141

(CX-) (C) P=X (XH) OR (CX-) (R) P=X (XC) containing (e.g., phosphonate, etc.):

(under subclass 75) Subject matter in which the organo-phosphorus compound is an ester of phosphonic acid, illustrated below, wherein R is an organic radical and X is chalcogen. [figure] [figure]