US PATENT SUBCLASS 558 / 182
.~.~.~.~.~ Acyclic carbon chain containing carbon to carbon unsaturation attached directly or 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}
177  DF  .~.~ Chalcogen attached indirectly to the phosphorus by acyclic nonionic bonding {2}
178  DF  .~.~.~ The chalcogen, X, is in a -C(=X)- group {1}
179  DF  .~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens {3}
182.~.~.~.~.~ Acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the phosphorus by acyclic nonionic bonding

DEFINITION

Classification: 558/182

(under subclass 179) Compounds wherein the phosphorus is attached directly or indirectly by acyclic nonionic bonding to an acyclic carbon chain containing carbon to carbon unsaturation.

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