US PATENT SUBCLASS 556 / 111
.~.~.~ Sulfur double bonded directly to chalcogen

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
1  DF  .~ HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.) {19}
110  DF  .~.~ Copper, silver, or gold containing (Cu, Ag, or Au) {3}
111.~.~.~ Sulfur double bonded directly to chalcogen

DEFINITION

Classification: 556/111

(under subclass 110) Compounds which contain sulfur double bonded directly to chalcogen (i.e., oxygen, sulfur, selenium or tellurium).

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