US PATENT SUBCLASS 252 / 389.52
.~.~.~.~ Zinc or aluminium containing

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

380  DF  PRESERVATIVE AGENTS {3}
387  DF  .~ Anti-corrosion {1}
388  DF  .~.~ Organic compound containing {6}
389.1  DF  .~.~.~ Component inorganic or organic comprising element other than C,H,O,N,S, and halogen {10}
389.52.~.~.~.~ Zinc or aluminium containing

DEFINITION

Classification: 252/389.52

Zinc or aluminum containing:

(under subclass 389.1) Compositions which include a compound containing an atom of the element zinc or the element aluminum.