US PATENT SUBCLASS 568 / 21
.~.~ Sulfur bonded directly to sulfur (e.g., disulfides, etc.)


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}
21.~.~ Sulfur bonded directly to sulfur (e.g., disulfides, etc.) {4}
22  DF  .~.~.~> Oxygen containing {1}
24  DF  .~.~.~> Halogen containing
25  DF  .~.~.~> Benzene ring containing
26  DF  .~.~.~> Preparing by reacting a thiol or mercaptide (i.e., reactant contains -SH or -SM where M is a Group IA or IIA light metal)


DEFINITION

Classification: 568/21

(under subclass 18) Compounds which contain sulfur directly bonded to sulfur.