US PATENT SUBCLASS 568 / 28
.~.~.~ Plural oxygens bonded directly to the same sulfur (e.g., sulfones, 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}
27  DF  .~.~ Oxygen bonded directly to sulfur (e.g., sulfoxides, etc.) {3}
28.~.~.~ Plural oxygens bonded directly to the same sulfur (e.g., sulfones, etc.) {6}
29  DF  .~.~.~.~> Thiol or thioether containing
30  DF  .~.~.~.~> Nitrogen containing
31  DF  .~.~.~.~> Carbonyl containing (e.g., ketone containing, etc.)
32  DF  .~.~.~.~> Oxy containing {1}
34  DF  .~.~.~.~> Plural rings containing
35  DF  .~.~.~.~> Plural halogens containing


DEFINITION

Classification: 568/28

(under subclass 27) Compounds wherein at least two oxygens are directly bonded to the same sulfur atom.