US PATENT SUBCLASS 558 / 8
.~.~ Nitrogen bonded directly to the carbon of the imidate group (i.e., pseudoureas, HN=C(HNH)-O-, wherein substitution may be made for hydrogen only)

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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
6  DF  .~ Imidate esters (i.e., compounds having the imidate group, HN=CH-O-, wherein substitution may be made for hydrogen only, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {3}
8.~.~ Nitrogen bonded directly to the carbon of the imidate group (i.e., pseudoureas, HN=C(HNH)-O-, wherein substitution may be made for hydrogen only)

DEFINITION

Classification: 558/8

(under subclass 6) Compounds wherein the carbon of the imidate group is bonded directly to nitrogen.

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