US PATENT SUBCLASS 558 / 251
.~.~.~ Plural -C(=O)S- groups containing

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558 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
230  DF  .~ Esters having the thiocarboxylate group, -C(=X)X-, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur, and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon {5}
250  DF  .~.~ The -C(=X)X- is -C(=O)S- {4}
251.~.~.~ Plural -C(=O)S- groups containing

DEFINITION

Classification: 558/251

(under subclass 250) Compounds which contain more than one -C(=O)S- group.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]