US PATENT SUBCLASS 568 / 70
.~.~.~.~ Preparing by reacting hydrogen sulfide or a metal hydrosulfide

Current as of: June, 1999
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568 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
18  DF  .~ SULFUR CONTAINING {9}
61  DF  .~.~ Thiol or mercaptide containing (i.e., -SH or -SM containing where M is a Group IA or IIA light metal) {5}
69  DF  .~.~.~ Acyclic {1}
70.~.~.~.~ Preparing by reacting hydrogen sulfide or a metal hydrosulfide {2}
71  DF  .~.~.~.~.~> And an organic hydroxy containing reactant (H of -OH may be replaced by a Group IA or IIA light metal)
72  DF  .~.~.~.~.~> And a reactant having carbon to carbon unsaturation {1}

DEFINITION

Classification: 568/70

(under subclass 69) Processes wherein the compound is prepared by reacting hydrogen sulfide or a hydrosulfide or a metal, e.g., reacting H2S or NaSH.