US PATENT SUBCLASS 540 / 134
.~.~.~.~.~.~ Additional nitrogen in the sulfonyl containing substituent

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}
131  DF  .~.~.~.~ Sulfonyl bonded directly to ring carbon of the phthalocyanine ring system {2}
133  DF  .~.~.~.~.~ Nitrogen bonded directly to the sulfonyl group {1}
134.~.~.~.~.~.~ Additional nitrogen in the sulfonyl containing substituent

DEFINITION

Classification: 540/134

(under subclass 133) Compounds wherein the sulfonyl containing substituent contains an additional nitrogen atom.

(1) Note. The structure below is an example of a compound provided for herein, wherein NiPc is a nickel phthalocyanine radical.

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