US PATENT SUBCLASS 556 / 73
.~.~.~.~.~.~ Exactly three chalcogens bonded directly to the metal (e.g., arsonic acids, arsonates, etc.)

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}
64  DF  .~.~ Arsenic, antimony, or bismuth containing (As, Sb, or Bi) {5}
70  DF  .~.~.~ Carbon bonded directly to the metal {1}
71  DF  .~.~.~.~ Chalcogen bonded directly to the metal (e.g., arsine oxides, etc.) {1}
72  DF  .~.~.~.~.~ Plural chalcogens bonded directly to the metal {1}
73.~.~.~.~.~.~ Exactly three chalcogens bonded directly to the metal (e.g., arsonic acids, arsonates, etc.) {1}
74  DF  .~.~.~.~.~.~.~> Nitrogen and the metal bonded directly to the same benzene ring (e.g., arsanilic acids, etc.) {1}

DEFINITION

Classification: 556/73

(under subclass 72) Compounds wherein exactly three chalcogens are bonded directly to the metal.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]