US PATENT SUBCLASS 562 / 557
.~.~.~.~.~ Alpha N, beta S - acids or salts thereof

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}
556  DF  .~.~.~.~ Sulfur or selenium {2}
557.~.~.~.~.~ Alpha N, beta S - acids or salts thereof {1}
558  DF  .~.~.~.~.~.~> Penicillamine per se or salt thereof

DEFINITION

Classification: 562/557

Alpha N, Beta S - Acids or Salts Thereof:

(under subclass 556) Compounds wherein the acid contains nitrogen attached to the alpha carbon and sulfur attached to the beta carbon relative to the carboxyl group.

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