US PATENT SUBCLASS 534 / 593
.~.~.~ Additional reactant containing phosphorus or sulfur

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}
588  DF  .~.~ Process utilizing azo compound as reactant {13}
593.~.~.~ Additional reactant containing phosphorus or sulfur {1}
594  DF  .~.~.~.~> Sulfonic acid group formed or added to the azo reactant (-(0=)S(=0)-OH, wherein H of -0H may be replaced by a substituted or unsubstituted ammonium ion or metal)

DEFINITION

Classification: 534/593

(under subclass 588) Processes which utilize a reactant which contains sulfur or phosphorus; said reactant is other than the azo reactant.