US PATENT SUBCLASS 546 / 238
.~.~.~.~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1}
1  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24}
184  DF  .~.~.~ Piperidines {8}
192  DF  .~.~.~.~ Additional ring containing {9}
236  DF  .~.~.~.~.~ Chalcogen attached indirectly to the piperidine ring by nonionic bonding {2}
237  DF  .~.~.~.~.~.~ The chalcogen, X, is in a -C(=X)- group {1}
238.~.~.~.~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens {1}
239  DF  .~.~.~.~.~.~.~>.~ Plural carbocyclic rings containing

DEFINITION

Classification: 546/238

The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens:

(under subclass 237) Compounds wherein the is part of a group, in which the X's are the same, or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).

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