US PATENT SUBCLASS 106 / 31.49
.~.~.~.~.~.~ Five-ring members in the heterocyclic ring

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
31.01  DF  .~ Marking {14}
31.13  DF  .~.~ Inks {6}
31.27  DF  .~.~.~ Organic dye containing {10}
31.43  DF  .~.~.~.~ Organic nitrogen compound containing {5}
31.46  DF  .~.~.~.~.~ The nitrogen is a ring member of a heterocyclic ring {2}
31.49.~.~.~.~.~.~ Five-ring members in the heterocyclic ring {1}
31.5  DF  .~.~.~.~.~.~.~> Acyclic azo attached directly or indirectly to the heterocyclic ring by nonionic bonding

DEFINITION

Classification: 106/31.49

Five-ring members in the heterocyclic ring:

(under subclass 31.48) Subject matter wherein the heterocyclic ring is five-membered.