US PATENT SUBCLASS 252 / 186.32
.~.~.~ Contains Group IA metal peroxide

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

186.1  DF  OXIDATIVE BLEACHANT, OXIDANT CONTAINING, OR GENERATIVE {9}
186.25  DF  .~ Composition containing a stabilizer or a product in the form of a surface-modified, impregnated, encapsulated, or surface-coated article; or process of producing said composition {5}
186.27  DF  .~.~ Inorganic peroxide {3}
186.32.~.~.~ Contains Group IA metal peroxide

DEFINITION

Classification: 252/186.32

Contains Group IA metal peroxide:

(under subclass 186.27) Composition which contains a Group IA metal peroxide (Li, Na, K, Rb, Cs), e.g., a composition comprised of sodium percarbonate coated with aqueous sodium silicate solution, etc.