US PATENT SUBCLASS 568 / 926
.~.~.~ Nitronic acid or Group IA or IIA light metal containing (e.g., aci forms, etc.)

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
924  DF  .~.~ Nitro containing (including aci forms) {6}
926.~.~.~ Nitronic acid or Group IA or IIA light metal containing (e.g., aci forms, etc.)

DEFINITION

Classification: 568/926

(under subclass 924) Compounds which contain the group below, where R is hydrogen, an organic radical or a Group IA or IIA light metal; or nitro compounds which contain a Group IA or IIA light metal OR.

(1) Note. Included in this subclass are compounds wherein a nitro group has been converted into an acid form, the so-called aci form which is not a stable form, and is usually further converted into the salt form as in the following equation. [figure]

(2) Note. An example of other compounds provided for herein is: [figure]