US PATENT SUBCLASS 558 / 203
.~.~ Halogen attached indirectly to the phosphorus by acyclic 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}
203.~.~ Halogen attached indirectly to the phosphorus by acyclic nonionic bonding {2}
204  DF  .~.~.~> Plural fluorines bonded to an acyclic carbon or to an acyclic carbon chain
205  DF  .~.~.~> Carbon to carbon unsaturation containing {1}


DEFINITION

Classification: 558/203

(under subclass 70) Compounds wherein the phosphorus is attached indirectly to halogen by acyclic nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]