US PATENT SUBCLASS 556 / 28
.~.~ Plural diverse heavy metals containing

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}
28.~.~ Plural diverse heavy metals containing {3}
29  DF  .~.~.~> Heavy metal double bonded directly to heavy metal
30  DF  .~.~.~> Arsenic, antimony, or bismuth containing (As, Sb, or Bi)
31  DF  .~.~.~> Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl containing, etc.)

DEFINITION

Classification: 556/28

(under subclass 1) Compounds which contain at least two diverse heavy metals.

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