US PATENT SUBCLASS 562 / 560
.~.~.~.~ Ureido, hydrazino, or nitrogen double bonded directly to carbon

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}
512  DF  .~.~ Acyclic {14}
553  DF  .~.~.~ Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.) {10}
560.~.~.~.~ Ureido, hydrazino, or nitrogen double bonded directly to carbon

DEFINITION

Classification: 562/560

Ureido, hydrazino, or nitrogen double bonded directly to carbon:

(under subclass 553) Compounds wherein the acid contains the ureido group (N-C (=O)- N), the hydrazino group (N - N), or the -C=N- group, such as the guanido or amidino groups or structures equivalent to those formed by reacting an aldehyde or a ketone with ammonia or an amine.

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