US PATENT SUBCLASS 540 / 125
.~.~.~.~.~.~ Plural hetero atoms in the six-membered hetero ring

Current as of: June, 1999
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540 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS {6}
121  DF  .~.~ Azaporphyrins {1}
122  DF  .~.~.~ Phthalocyanines {8}
123  DF  .~.~.~.~ Hetero ring attached directly or indirectly to the phthalocyanine ring system by nonionic bonding {2}
124  DF  .~.~.~.~.~ The hetero ring is six-membered having nitrogen as a ring member {1}
125.~.~.~.~.~.~ Plural hetero atoms in the six-membered hetero ring {1}
126  DF  .~.~.~.~.~.~.~> Triazines (including hydrogenated)

DEFINITION

Classification: 540/125

(under subclass 124) Compounds wherein the hetero ring contains at least two hetero atoms.

(1) Note. An example of a compound provided for herein is in the structure below, wherein CuPc is a copper phthalocyanine radical. [figure]