US PATENT SUBCLASS 504 / 249
.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the piperidine ring

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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
209  DF  .~.~ Hetero ring containing {11}
244  DF  .~.~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {6}
248  DF  .~.~.~.~ Piperidines {1}
249.~.~.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the piperidine ring

DEFINITION

Classification: 504/249

Having -C(=X)-, wherein X is chalcogen, bonded directly to ring nitrogen of the piperidine ring:

(under subclass 248) Compositions in which -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the ring nitrogen of the piperidine ring.