US PATENT SUBCLASS 558 / 107
.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, or cyano attached indirectly to the halogen by acyclic nonionic bonding

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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}
104  DF  .~.~.~.~ Reactant has -XH, wherein X is chalcogen, bonded directly to phosphorus (wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal) {6}
106  DF  .~.~.~.~.~ And reactant having halogen bonded directly to carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon {1}
107.~.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, or cyano attached indirectly to the halogen by acyclic nonionic bonding

DEFINITION

Classification: 558/107

(under subclass 106) Processes in which cyano or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached indurectly to the halogen by acyclic nonionic bonding.