US PATENT SUBCLASS 556 / 84
.~.~.~.~ Exactly three carbons bonded directly to each of the metals (e.g., bis tributyl tin oxides, 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}
81  DF  .~.~ Germanium, tin, or lead containing (Ge, Sn, or Pb) {6}
83  DF  .~.~.~ Plural heavy metals bonded directly to the same chalcogen (e.g., two germaniums bonded directly to the same oxygen, etc.) {1}
84.~.~.~.~ Exactly three carbons bonded directly to each of the metals (e.g., bis tributyl tin oxides, etc.)

DEFINITION

Classification: 556/84

(under subclass 83) Compounds wherein exactly three carbons are bonded directly to each of the metals.

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