US PATENT SUBCLASS 423 / 647
.~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)

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

644  DF  HYDROGEN OR COMPOUND THEREOF {3}
645  DF  .~ Binary compound {2}
647.~.~ Alkaline earth metal containing (Mg, Ca, Sr, or Ba)

DEFINITION

Classification: 423/647

(under subclass 645) Products or processes wherein the additional element is an alkaline earth metal.