US PATENT SUBCLASS 423 / 420.2
.~.~.~ Plural metal containing

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

414  DF  CARBON OR COMPOUND THEREOF {3}
415.1  DF  .~ Oxygen containing {5}
419.1  DF  .~.~ Carbonate or bicarbonate {5}
420.2.~.~.~ Plural metal containing

DEFINITION

Classification: 423/420.2

Plural metal containing:

(under subclass 419.1) Products or processes wherein the

carbonate product contains more than a single metal.

(1) Note. The plural metal of the carbonate compound may be multiple occurrences of the same metallic element in the compound.