US PATENT SUBCLASS 534 / 635
.~.~.~.~.~ Additional hetero ring containing


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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  DF  .~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding {2}
632  DF  .~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens {5}
635.~.~.~.~.~ Additional hetero ring containing {1}
636  DF  .~.~.~.~.~.~> Pyrazole containing (including hydrogenated)


DEFINITION

Classification: 534/635

(under subclass 632) Compounds which contain an additional hetero ring.

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