US PATENT SUBCLASS 514 / 140
.~.~ (C)(R)P=X(-XC) containing (i.e., Phosphinate (X is chalcogen; R is C or H)

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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}
140.~.~ (C)(R)P=X(-XC) containing (i.e., Phosphinate (X is chalcogen; R is C or H)

DEFINITION

Classification: 514/140

(C)(R)P=X(-XC) containing (i.e., phosphinate) (X is chalcogen; R is C or H):

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