US PATENT SUBCLASS 558 / 301
.~.~ Oxygen bonded directly to the double bonded nitrogen (e.g., alpha-oximino nitriles, etc.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
300  DF  .~ Cyano single bonded and nitrogen or phosphorus double bonded to the same carbon atom (e.g., alpha-imino nitriles, etc.) {1}
301.~.~ Oxygen bonded directly to the double bonded nitrogen (e.g., alpha-oximino nitriles, etc.)

DEFINITION

Classification: 558/301

(under subclass 300) Compounds wherin the double bonded nitrogen is bonded directly to oxygen.

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