US PATENT SUBCLASS 424 / 602
.~.~ Calcium containing

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
601  DF  .~ Phosphorus or phosphorus compound {4}
602.~.~ Calcium containing {1}
603  DF  .~.~.~> Pyrophosphate

DEFINITION

Classification: 424/602

Calcium containing:

(under subclass 601) Compositions which contain calcium and phosphorus.

(1) Note. Synonyms/Examples: Bone meal, phosphate of lime, calcium phosphate.