US PATENT SUBCLASS 558 / 252
.~.~.~ Chalcogen attached indirectly to the -C(=O)S- group by acyclic nonionic bonding

Current as of: June, 1999
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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}
252.~.~.~ Chalcogen attached indirectly to the -C(=O)S- group by acyclic nonionic bonding {1}
253  DF  .~.~.~.~> The chalcogen, X, is in a -C(=X)- group {2}

DEFINITION

Classification: 558/252

(under subclass 250) Compounds wherein a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is indirectly attached to the-C(=OS- group by acyclic nonionic bonding.

(1) Note. An example of a compound provided for herein is: [figure]