US PATENT SUBCLASS 534 / 558
.~ Diazo or diazonium (e.g., -N=N-C, etc.)

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}
558.~ Diazo or diazonium (e.g., -N=N-C, etc.) {7}
559  DF  .~.~> With preservative or stabilizer
560  DF  .~.~> Hetero ring containing
561  DF  .~.~> Plural diazo or diazonium groups
562  DF  .~.~> Heavy metal or aluminum containing
563  DF  .~.~> Polycyclo ring system having at least three cyclos
564  DF  .~.~> Aldehyde or ketone group containing
565  DF  .~.~> Formation of diazonium group

DEFINITION

Classification: 534/558

(under subclass 1) Compounds under Class 532, ... in which only one nitrogen of a diazo group is bonded directly to carbon; wherein if the remaining nitrogen is bonded to an additional atom or radical, that atom or radical is an anion.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [figure]