US PATENT SUBCLASS 534 / 627
.~.~.~.~.~.~ Plural halogens attached directly to the hetero 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}
619  DF  .~.~.~ Heavy metal or aluminum containing {2}
620  DF  .~.~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding {2}
622  DF  .~.~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens {6}
627.~.~.~.~.~.~ Plural halogens attached directly to the hetero ring by nonionic bonding

DEFINITION

Classification: 534/627

(under subclass 622) Compounds in which at least two halogens are attached directly to the six-membered hetero ring by nonionic bonding.

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