US PATENT SUBCLASS 546 / 224
.~.~.~.~.~.~ Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
223  DF  .~.~.~.~.~ Nitrogen attached directly to the piperidine ring by nonionic bonding {1}
224.~.~.~.~.~.~ Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen


DEFINITION

Classification: 546/224

Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen:

(under subclass 223) Compounds wherein acyclic nitrogen is bonded directly to a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

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