US PATENT SUBCLASS 514 / 142-- .~.~ (CX-)(C)P(C),(CX-)(RX-)P(C),(CX-)P(XH)(XH) or (CX-)(CX-)P(-XR) containing (X is chalcogen; R is C or H) (e.g., phosphinite, phosphite, etc.)

US PATENT SUBCLASS 514 / 142
.~.~ (CX-)(C)P(C),(CX-)(RX-)P(C),(CX-)P(XH)(XH) or (CX-)(CX-)P(-XR) containing (X is chalcogen; R is C or H) (e.g., phosphinite, phosphite, etc.)

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}
142		.~.~ (CX-)(C)P(C),(CX-)(RX-)P(C),(CX-)P(XH)(XH) or (CX-)(CX-)P(-XR) containing (X is chalcogen; R is C or H) (e.g., phosphinite, phosphite, etc.)

DEFINITION

Classification: 514/142

(CX-)(C)P(C),(CX-)(RX-)P (C), (CX-) P (XH)(XH or (CX-)P(-XR) containing (X is chalcogen: R is C or H) (e.g., phosphinite, phosphonite, phosphite, etc.):

(under subclass 75) Subject matter in which the organo-phosphorus compound is (a) an ester or phosphinous acid (i.e., first illustration below), (b) an ester of phosphonous acid, as in the second illustration, below, or (c) an ester of phosphorus acid, as in the third illustration, below, wherein R or R in any of the above formulas is an organic radical and X is chalcogen. [figure] [figure] [figure] [figure] [figure] [figure]