US PATENT SUBCLASS 534 / 701
.~.~.~ Hetero ring containing


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}
692  DF  .~.~ Heavy metal or aluminum containing {7}
701.~.~.~ Hetero ring containing {2}
702  DF  .~.~.~.~> Polycyclo ring system containing the hetero ring as one of the cyclos {1}
707  DF  .~.~.~.~> Azo bonded directly to the hetero ring {3}


DEFINITION

Classification: 534/701

(under subclass 692) Compounds which contain a hetero ring.

(1) Note. Arsenic is considered a metal for the purpose of this subclass.

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