US PATENT SUBCLASS 562 / 17
.~.~.~.~ The nitrogen is bonded to an additional acyclic carbon or acyclic carbon chain, to which a -C(=X)X- group is bonded directly, wherein the X's are the same or diverse chalcogen

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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
8  DF  .~ Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal) {7}
11  DF  .~.~ Nitrogen attached indirectly to the phosphorus by nonionic bonding {3}
16  DF  .~.~.~ The nitrogen and the phosphorus are bonded directly to the same carbon {1}
17.~.~.~.~ The nitrogen is bonded to an additional acyclic carbon or acyclic carbon chain, to which a -C(=X)X- group is bonded directly, wherein the X's are the same or diverse chalcogen {1}
18  DF  .~.~.~.~.~> Preparing from a compound having a nitrogen containing hetero ring

DEFINITION

Classification: 562/17

(under subclass 16) Compounds wherein the nitrogen is bonded directly to an additional acyclic carbon or acyclic carbon chain to which a -C(=X)X- group is also bonded directly, wherein the X's may be the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).

(1) Note. An example of a compound provided for herein is: [figure]