US PATENT SUBCLASS 562 / 442
.~.~.~.~ Nitrogen not bonded directly to a ring

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
405  DF  .~.~ Aromatic {13}
433  DF  .~.~.~ Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.) {9}
442.~.~.~.~ Nitrogen not bonded directly to a ring {2}
443  DF  .~.~.~.~.~> In same chain as carboxyl, or salt thereof {3}
451  DF  .~.~.~.~.~> Oxy

DEFINITION

Classification: 562/442

Nitrogen not bonded directly to a ring:

(under subclass 433) Compounds wherein the acid contains nitrogen which is not directly bonded to a carbocyclic nucleus.

(1) Note. When the same nitrogen is directly attached to one carbocyclic nucleus and indirectly attached to a second carbocyclic nucleus, it will always be considered as directly attached for classification, e.g., [figure]

(2) Note. This subclass contains, for example: [figure] [figure]