US PATENT SUBCLASS 556 / 10
.~.~.~ Silicon and heavy metal bonded directly to the same 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}
9  DF  .~.~ Silicon containing {3}
10.~.~.~ Silicon and heavy metal bonded directly to the same chalcogen

DEFINITION

Classification: 556/10

(under subclass 9) Compounds wherein silicon and the heavy metal are bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

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