US PATENT SUBCLASS 252 / 186.33
.~.~ Contains Group VIIB or Group VIII metal or compound thereof

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}
186.33.~.~ Contains Group VIIB or Group VIII metal or compound thereof

DEFINITION

Classification: 252/186.33

Contains Group VIIB or Group VIII metal or compound thereof:

(under subclass 186.25) Composition which contains a Group VIIB metal (Mn, Tc, Re) or Group VIII metal (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) or compound thereof, e.g., a composition comprised of zinc oxide particles coated with silver permanganate, etc.