US PATENT SUBCLASS 424 / 698
.~.~ Alum or burnt alum

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}
682  DF  .~ Aluminum, calcium or magnesium element, or compound containing {7}
698.~.~ Alum or burnt alum

DEFINITION

Classification: 424/698

Alum or burnt alum:

(under subclass 695) Compositions which contain alum or burnt alum.

(1) Note. This subclass is primarily a collection of older patents.