US PATENT SUBCLASS 534 / 630
.~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding

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

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
617  DF  .~.~ Fiber- or substrate-reactive azo compound {5}
630.~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding {2}
631  DF  .~.~.~.~> Stilbene containing
632  DF  .~.~.~.~> The hetero ring is six-membered and contains at least two nitrogens {5}

DEFINITION

Classification: 534/630

(under subclass 617) Compounds in which halogen is attached directly to a hetero ring or to an alicyclic ring by nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]