US PATENT SUBCLASS 534 / 575
.~.~ Specified crystalline form

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}
575.~.~ Specified crystalline form

DEFINITION

Classification: 534/575

(under subclass 573) Compounds which are azo compounds having a specifically disclosed crystalline structure, form or modification.