US PATENT SUBCLASS 558 / 90
.~.~.~.~ Reactant having halogen attached directly to phosphorus by nonionic bonding


Current as of: June, 1999
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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
70  DF  .~ Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon) {18}
87  DF  .~.~ Processes {19}
89  DF  .~.~.~ Forming the phosphorus ester group {7}
90.~.~.~.~ Reactant having halogen attached directly to phosphorus by nonionic bonding {3}
91  DF  .~.~.~.~.~> And reactant having chalcogen-containing hetero ring
92  DF  .~.~.~.~.~> And reactant having alcoholic or phenolic -XH group, wherein X is chalcogen (and wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal) {7}
103  DF  .~.~.~.~.~> And reactant having -C(=X)-, wherein X is chalcogen


DEFINITION

Classification: 558/90

(under subclass 89) Processes wherein a reactant contains

halogen attached directly to phosphorus by nonionic bonding.