US PATENT SUBCLASS 544 / 193.1
.~.~.~.~ Stilbene containing

Current as of: June, 1999
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544 /   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 having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) {6}
180  DF  .~.~.~ Triazines {11}
193.1.~.~.~.~ Stilbene containing {1}
193.2  DF  .~.~.~.~.~> Plural triazine rings containing

DEFINITION

Classification: 544/193.1

(under subclass 180) Stilbene containing:Compounds which contains the group, illustrated below, wherein only hydrogen may be replaced. [figure]

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