US PATENT SUBCLASS 548 / 365.4
.~.~.~.~.~.~ Two diazole rings are bonded directly to each other, to the same acyclic carbon atom or to the same acyclic carbon chain

Current as of: June, 1999
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548 /   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) {4}
100  DF  .~.~ Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) {18}
356.1  DF  .~.~.~ 1,2-diazoles (including hydrogenated) {8}
364.1  DF  .~.~.~.~ Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding {3}
365.1  DF  .~.~.~.~.~ Plural 1,2-diazoles (including hydrogenated) {1}
365.4.~.~.~.~.~.~ Two diazole rings are bonded directly to each other, to the same acyclic carbon atom or to the same acyclic carbon chain

DEFINITION

Classification: 548/365.4

(under subclass 365.1) Compounds wherein two diazole rings are bonded directly to the same acyclic carbon atom, to the same acyclic carbon chain or are bonded directly to each other.

(1) Note. This subclass contains, for example: [figure] [figure]