US PATENT SUBCLASS 562 / 553
.~.~.~ Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.)

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.~.~.~ Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.) {10}
554  DF  .~.~.~.~> Purification or recovery per se
555  DF  .~.~.~.~> Carbamic acids or salts thereof
556  DF  .~.~.~.~> Sulfur or selenium {2}
560  DF  .~.~.~.~> Ureido, hydrazino, or nitrogen double bonded directly to carbon
561  DF  .~.~.~.~> Plural nitrogens {4}
567  DF  .~.~.~.~> Oxy, aldehyde, or ketone {3}
571  DF  .~.~.~.~> Polycarboxylic {2}
574  DF  .~.~.~.~> Halogen or unsaturation
575  DF  .~.~.~.~> Alpha nitrogen
576  DF  .~.~.~.~> Beta alanine per se or salt thereof

DEFINITION

Classification: 562/553

Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.):

(under subclass 512) Compounds wherein the acid contains nitrogen bonded to a carbon of an organic radical.

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

SEE OR SEARCH CLASS

564, Organic Compounds,

67+, for processes of producing urea from carbon dioxide and ammonia wherein ammonium carbomate is also formed.